man: add libudev man-pages (skeletons)
This adds man-pages for most of the libudev symbols we export. Similar symbols are grouped together in a single man-page, with respective links added. All man-pages contain the full skeleton including NAME, SYNOPSIS, RETURN VALUE and SEE ALSO. However, most of them still lack the DESCRIPTION part. This should be copied from the gtkdoc descriptions in src/libudev/libudev*.[ch]. Any help is welcome! (the whole skeleton is already done, so it's really just about the prose-part of the man-pages to be written). Missing from the man-pages are the following parts: - udev_set_log_fn() - udev_[gs]et_log_priority() - udev_[gs]et_userdata() - udev_list_entry_foreach() - udev_device_get_seqnum() - udev_device_get_usec_since_initialized() - udev_util_encode_string() These are considered legacy, afaik. If not, please feel free to add them now! Furthermore, udev-hwdb and udev-queue are not documented at all (for the same reasons).
This commit is contained in:
David Herrmann
parent
f1398fa59c
commit
06255d6f76
299
Makefile-man.am
299
Makefile-man.am
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@ -18,6 +18,7 @@ MANPAGES += \
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man/journald.conf.5 \
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man/kernel-command-line.7 \
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man/kernel-install.8 \
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man/libudev.3 \
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man/locale.conf.5 \
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man/localtime.5 \
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man/machine-id.5 \
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@ -122,6 +123,17 @@ MANPAGES += \
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man/tmpfiles.d.5 \
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man/udev.7 \
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man/udev.conf.5 \
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man/udev_device_get_syspath.3 \
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man/udev_device_has_tag.3 \
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man/udev_device_new_from_syspath.3 \
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man/udev_enumerate_add_match_subsystem.3 \
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man/udev_enumerate_new.3 \
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man/udev_enumerate_scan_devices.3 \
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man/udev_list_entry.3 \
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man/udev_monitor_filter_update.3 \
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man/udev_monitor_new_from_netlink.3 \
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man/udev_monitor_receive_device.3 \
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man/udev_new.3 \
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man/udevadm.8
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MANPAGES_ALIAS += \
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man/SD_ALERT.3 \
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@ -233,6 +245,61 @@ MANPAGES_ALIAS += \
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man/systemd-udevd.8 \
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man/systemd-update-done.8 \
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man/systemd-user.conf.5 \
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man/udev_device_get_action.3 \
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man/udev_device_get_devlinks_list_entry.3 \
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man/udev_device_get_devnode.3 \
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man/udev_device_get_devnum.3 \
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man/udev_device_get_devpath.3 \
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man/udev_device_get_devtype.3 \
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man/udev_device_get_driver.3 \
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man/udev_device_get_is_initialized.3 \
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man/udev_device_get_parent.3 \
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man/udev_device_get_parent_with_subsystem_devtype.3 \
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man/udev_device_get_properties_list_entry.3 \
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man/udev_device_get_property_value.3 \
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man/udev_device_get_subsystem.3 \
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man/udev_device_get_sysattr_list_entry.3 \
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man/udev_device_get_sysattr_value.3 \
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man/udev_device_get_sysname.3 \
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man/udev_device_get_sysnum.3 \
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man/udev_device_get_tags_list_entry.3 \
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man/udev_device_get_udev.3 \
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man/udev_device_new_from_device_id.3 \
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man/udev_device_new_from_devnum.3 \
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man/udev_device_new_from_environment.3 \
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man/udev_device_new_from_subsystem_sysname.3 \
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man/udev_device_ref.3 \
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man/udev_device_set_sysattr_value.3 \
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man/udev_device_unref.3 \
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man/udev_enumerate_add_match_is_initialized.3 \
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man/udev_enumerate_add_match_parent.3 \
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man/udev_enumerate_add_match_property.3 \
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man/udev_enumerate_add_match_sysattr.3 \
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man/udev_enumerate_add_match_sysname.3 \
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man/udev_enumerate_add_match_tag.3 \
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man/udev_enumerate_add_nomatch_subsystem.3 \
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man/udev_enumerate_add_nomatch_sysattr.3 \
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man/udev_enumerate_add_syspath.3 \
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man/udev_enumerate_get_list_entry.3 \
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man/udev_enumerate_get_udev.3 \
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man/udev_enumerate_ref.3 \
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man/udev_enumerate_scan_subsystems.3 \
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man/udev_enumerate_unref.3 \
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man/udev_list_entry_get_by_name.3 \
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man/udev_list_entry_get_name.3 \
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man/udev_list_entry_get_next.3 \
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man/udev_list_entry_get_value.3 \
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man/udev_monitor_enable_receiving.3 \
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man/udev_monitor_filter_add_match_subsystem_devtype.3 \
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man/udev_monitor_filter_add_match_tag.3 \
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man/udev_monitor_filter_remove.3 \
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man/udev_monitor_get_fd.3 \
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man/udev_monitor_get_udev.3 \
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man/udev_monitor_ref.3 \
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man/udev_monitor_set_receive_buffer_size.3 \
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man/udev_monitor_unref.3 \
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man/udev_ref.3 \
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man/udev_unref.3 \
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man/user.conf.d.5
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man/SD_ALERT.3: man/sd-daemon.3
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man/SD_CRIT.3: man/sd-daemon.3
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@ -343,6 +410,61 @@ man/systemd-udevd-kernel.socket.8: man/systemd-udevd.service.8
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man/systemd-udevd.8: man/systemd-udevd.service.8
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man/systemd-update-done.8: man/systemd-update-done.service.8
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man/systemd-user.conf.5: man/systemd-system.conf.5
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man/udev_device_get_action.3: man/udev_device_get_syspath.3
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man/udev_device_get_devlinks_list_entry.3: man/udev_device_has_tag.3
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man/udev_device_get_devnode.3: man/udev_device_get_syspath.3
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man/udev_device_get_devnum.3: man/udev_device_get_syspath.3
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man/udev_device_get_devpath.3: man/udev_device_get_syspath.3
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man/udev_device_get_devtype.3: man/udev_device_get_syspath.3
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man/udev_device_get_driver.3: man/udev_device_get_syspath.3
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man/udev_device_get_is_initialized.3: man/udev_device_get_syspath.3
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man/udev_device_get_parent.3: man/udev_device_get_syspath.3
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man/udev_device_get_parent_with_subsystem_devtype.3: man/udev_device_get_syspath.3
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man/udev_device_get_properties_list_entry.3: man/udev_device_has_tag.3
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man/udev_device_get_property_value.3: man/udev_device_has_tag.3
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man/udev_device_get_subsystem.3: man/udev_device_get_syspath.3
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man/udev_device_get_sysattr_list_entry.3: man/udev_device_has_tag.3
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man/udev_device_get_sysattr_value.3: man/udev_device_has_tag.3
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man/udev_device_get_sysname.3: man/udev_device_get_syspath.3
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man/udev_device_get_sysnum.3: man/udev_device_get_syspath.3
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man/udev_device_get_tags_list_entry.3: man/udev_device_has_tag.3
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man/udev_device_get_udev.3: man/udev_device_get_syspath.3
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man/udev_device_new_from_device_id.3: man/udev_device_new_from_syspath.3
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man/udev_device_new_from_devnum.3: man/udev_device_new_from_syspath.3
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man/udev_device_new_from_environment.3: man/udev_device_new_from_syspath.3
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man/udev_device_new_from_subsystem_sysname.3: man/udev_device_new_from_syspath.3
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man/udev_device_ref.3: man/udev_device_new_from_syspath.3
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man/udev_device_set_sysattr_value.3: man/udev_device_has_tag.3
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man/udev_device_unref.3: man/udev_device_new_from_syspath.3
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man/udev_enumerate_add_match_is_initialized.3: man/udev_enumerate_add_match_subsystem.3
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man/udev_enumerate_add_match_parent.3: man/udev_enumerate_add_match_subsystem.3
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man/udev_enumerate_add_match_property.3: man/udev_enumerate_add_match_subsystem.3
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man/udev_enumerate_add_match_sysattr.3: man/udev_enumerate_add_match_subsystem.3
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man/udev_enumerate_add_match_sysname.3: man/udev_enumerate_add_match_subsystem.3
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man/udev_enumerate_add_match_tag.3: man/udev_enumerate_add_match_subsystem.3
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man/udev_enumerate_add_nomatch_subsystem.3: man/udev_enumerate_add_match_subsystem.3
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man/udev_enumerate_add_nomatch_sysattr.3: man/udev_enumerate_add_match_subsystem.3
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man/udev_enumerate_add_syspath.3: man/udev_enumerate_scan_devices.3
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man/udev_enumerate_get_list_entry.3: man/udev_enumerate_scan_devices.3
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man/udev_enumerate_get_udev.3: man/udev_enumerate_scan_devices.3
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man/udev_enumerate_ref.3: man/udev_enumerate_new.3
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man/udev_enumerate_scan_subsystems.3: man/udev_enumerate_scan_devices.3
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man/udev_enumerate_unref.3: man/udev_enumerate_new.3
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man/udev_list_entry_get_by_name.3: man/udev_list_entry.3
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man/udev_list_entry_get_name.3: man/udev_list_entry.3
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man/udev_list_entry_get_next.3: man/udev_list_entry.3
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man/udev_list_entry_get_value.3: man/udev_list_entry.3
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man/udev_monitor_enable_receiving.3: man/udev_monitor_receive_device.3
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man/udev_monitor_filter_add_match_subsystem_devtype.3: man/udev_monitor_filter_update.3
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man/udev_monitor_filter_add_match_tag.3: man/udev_monitor_filter_update.3
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man/udev_monitor_filter_remove.3: man/udev_monitor_filter_update.3
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man/udev_monitor_get_fd.3: man/udev_monitor_receive_device.3
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man/udev_monitor_get_udev.3: man/udev_monitor_receive_device.3
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man/udev_monitor_ref.3: man/udev_monitor_new_from_netlink.3
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man/udev_monitor_set_receive_buffer_size.3: man/udev_monitor_receive_device.3
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man/udev_monitor_unref.3: man/udev_monitor_new_from_netlink.3
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man/udev_ref.3: man/udev_new.3
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man/udev_unref.3: man/udev_new.3
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man/user.conf.d.5: man/systemd-system.conf.5
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man/SD_ALERT.html: man/sd-daemon.html
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$(html-alias)
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@ -671,6 +793,171 @@ man/systemd-update-done.html: man/systemd-update-done.service.html
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man/systemd-user.conf.html: man/systemd-system.conf.html
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$(html-alias)
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man/udev_device_get_action.html: man/udev_device_get_syspath.html
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$(html-alias)
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man/udev_device_get_devlinks_list_entry.html: man/udev_device_has_tag.html
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$(html-alias)
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man/udev_device_get_devnode.html: man/udev_device_get_syspath.html
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$(html-alias)
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man/udev_device_get_devnum.html: man/udev_device_get_syspath.html
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$(html-alias)
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man/udev_device_get_devpath.html: man/udev_device_get_syspath.html
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$(html-alias)
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man/udev_device_get_devtype.html: man/udev_device_get_syspath.html
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$(html-alias)
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man/udev_device_get_driver.html: man/udev_device_get_syspath.html
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$(html-alias)
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man/udev_device_get_is_initialized.html: man/udev_device_get_syspath.html
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$(html-alias)
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man/udev_device_get_parent.html: man/udev_device_get_syspath.html
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$(html-alias)
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man/udev_device_get_parent_with_subsystem_devtype.html: man/udev_device_get_syspath.html
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$(html-alias)
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man/udev_device_get_properties_list_entry.html: man/udev_device_has_tag.html
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$(html-alias)
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man/udev_device_get_property_value.html: man/udev_device_has_tag.html
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$(html-alias)
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man/udev_device_get_subsystem.html: man/udev_device_get_syspath.html
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$(html-alias)
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man/udev_device_get_sysattr_list_entry.html: man/udev_device_has_tag.html
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$(html-alias)
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man/udev_device_get_sysattr_value.html: man/udev_device_has_tag.html
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$(html-alias)
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man/udev_device_get_sysname.html: man/udev_device_get_syspath.html
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$(html-alias)
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man/udev_device_get_sysnum.html: man/udev_device_get_syspath.html
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$(html-alias)
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man/udev_device_get_tags_list_entry.html: man/udev_device_has_tag.html
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$(html-alias)
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man/udev_device_get_udev.html: man/udev_device_get_syspath.html
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$(html-alias)
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man/udev_device_new_from_device_id.html: man/udev_device_new_from_syspath.html
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$(html-alias)
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man/udev_device_new_from_devnum.html: man/udev_device_new_from_syspath.html
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$(html-alias)
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man/udev_device_new_from_environment.html: man/udev_device_new_from_syspath.html
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$(html-alias)
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man/udev_device_new_from_subsystem_sysname.html: man/udev_device_new_from_syspath.html
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$(html-alias)
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man/udev_device_ref.html: man/udev_device_new_from_syspath.html
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$(html-alias)
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man/udev_device_set_sysattr_value.html: man/udev_device_has_tag.html
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$(html-alias)
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man/udev_device_unref.html: man/udev_device_new_from_syspath.html
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$(html-alias)
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man/udev_enumerate_add_match_is_initialized.html: man/udev_enumerate_add_match_subsystem.html
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$(html-alias)
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man/udev_enumerate_add_match_parent.html: man/udev_enumerate_add_match_subsystem.html
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$(html-alias)
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man/udev_enumerate_add_match_property.html: man/udev_enumerate_add_match_subsystem.html
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$(html-alias)
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man/udev_enumerate_add_match_sysattr.html: man/udev_enumerate_add_match_subsystem.html
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$(html-alias)
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man/udev_enumerate_add_match_sysname.html: man/udev_enumerate_add_match_subsystem.html
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$(html-alias)
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man/udev_enumerate_add_match_tag.html: man/udev_enumerate_add_match_subsystem.html
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$(html-alias)
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man/udev_enumerate_add_nomatch_subsystem.html: man/udev_enumerate_add_match_subsystem.html
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$(html-alias)
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man/udev_enumerate_add_nomatch_sysattr.html: man/udev_enumerate_add_match_subsystem.html
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$(html-alias)
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man/udev_enumerate_add_syspath.html: man/udev_enumerate_scan_devices.html
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$(html-alias)
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man/udev_enumerate_get_list_entry.html: man/udev_enumerate_scan_devices.html
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$(html-alias)
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man/udev_enumerate_get_udev.html: man/udev_enumerate_scan_devices.html
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$(html-alias)
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man/udev_enumerate_ref.html: man/udev_enumerate_new.html
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$(html-alias)
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man/udev_enumerate_scan_subsystems.html: man/udev_enumerate_scan_devices.html
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$(html-alias)
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man/udev_enumerate_unref.html: man/udev_enumerate_new.html
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$(html-alias)
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man/udev_list_entry_get_by_name.html: man/udev_list_entry.html
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$(html-alias)
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man/udev_list_entry_get_name.html: man/udev_list_entry.html
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$(html-alias)
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man/udev_list_entry_get_next.html: man/udev_list_entry.html
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$(html-alias)
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man/udev_list_entry_get_value.html: man/udev_list_entry.html
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$(html-alias)
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man/udev_monitor_enable_receiving.html: man/udev_monitor_receive_device.html
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$(html-alias)
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man/udev_monitor_filter_add_match_subsystem_devtype.html: man/udev_monitor_filter_update.html
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$(html-alias)
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man/udev_monitor_filter_add_match_tag.html: man/udev_monitor_filter_update.html
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$(html-alias)
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man/udev_monitor_filter_remove.html: man/udev_monitor_filter_update.html
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$(html-alias)
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man/udev_monitor_get_fd.html: man/udev_monitor_receive_device.html
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$(html-alias)
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man/udev_monitor_get_udev.html: man/udev_monitor_receive_device.html
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$(html-alias)
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man/udev_monitor_ref.html: man/udev_monitor_new_from_netlink.html
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$(html-alias)
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man/udev_monitor_set_receive_buffer_size.html: man/udev_monitor_receive_device.html
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$(html-alias)
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man/udev_monitor_unref.html: man/udev_monitor_new_from_netlink.html
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$(html-alias)
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man/udev_ref.html: man/udev_new.html
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$(html-alias)
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man/udev_unref.html: man/udev_new.html
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$(html-alias)
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man/user.conf.d.html: man/systemd-system.conf.html
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$(html-alias)
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@ -1708,6 +1995,7 @@ EXTRA_DIST += \
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man/kernel-install.xml \
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man/less-variables.xml \
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man/libsystemd-pkgconfig.xml \
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man/libudev.xml \
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man/locale.conf.xml \
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man/localectl.xml \
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man/localtime.xml \
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@ -1891,6 +2179,17 @@ EXTRA_DIST += \
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man/tmpfiles.d.xml \
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man/udev.conf.xml \
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||||
man/udev.xml \
|
||||
man/udev_device_get_syspath.xml \
|
||||
man/udev_device_has_tag.xml \
|
||||
man/udev_device_new_from_syspath.xml \
|
||||
man/udev_enumerate_add_match_subsystem.xml \
|
||||
man/udev_enumerate_new.xml \
|
||||
man/udev_enumerate_scan_devices.xml \
|
||||
man/udev_list_entry.xml \
|
||||
man/udev_monitor_filter_update.xml \
|
||||
man/udev_monitor_new_from_netlink.xml \
|
||||
man/udev_monitor_receive_device.xml \
|
||||
man/udev_new.xml \
|
||||
man/udevadm.xml \
|
||||
man/user-system-options.xml \
|
||||
man/vconsole.conf.xml
|
||||
|
|
|
|||
|
|
@ -0,0 +1,125 @@
|
|||
<?xml version='1.0'?> <!--*-nxml-*-->
|
||||
<!DOCTYPE refentry PUBLIC "-//OASIS//DTD DocBook XML V4.2//EN"
|
||||
"http://www.oasis-open.org/docbook/xml/4.2/docbookx.dtd" [
|
||||
<!ENTITY % entities SYSTEM "custom-entities.ent" >
|
||||
%entities;
|
||||
]>
|
||||
|
||||
<!--
|
||||
This file is part of systemd.
|
||||
|
||||
Copyright 2015 David Herrmann <dh.herrmann@gmail.com>
|
||||
|
||||
systemd is free software; you can redistribute it and/or modify it
|
||||
under the terms of the GNU Lesser General Public License as published by
|
||||
the Free Software Foundation; either version 2.1 of the License, or
|
||||
(at your option) any later version.
|
||||
|
||||
systemd is distributed in the hope that it will be useful, but
|
||||
WITHOUT ANY WARRANTY; without even the implied warranty of
|
||||
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
|
||||
Lesser General Public License for more details.
|
||||
|
||||
You should have received a copy of the GNU Lesser General Public License
|
||||
along with systemd; If not, see <http://www.gnu.org/licenses/>.
|
||||
-->
|
||||
|
||||
<refentry id="libudev"
|
||||
xmlns:xi="http://www.w3.org/2001/XInclude">
|
||||
|
||||
<refentryinfo>
|
||||
<title>libudev</title>
|
||||
<productname>systemd</productname>
|
||||
|
||||
<authorgroup>
|
||||
<author>
|
||||
<contrib>Developer</contrib>
|
||||
<firstname>David</firstname>
|
||||
<surname>Herrmann</surname>
|
||||
<email>dh.herrmann@gmail.com</email>
|
||||
</author>
|
||||
</authorgroup>
|
||||
</refentryinfo>
|
||||
|
||||
<refmeta>
|
||||
<refentrytitle>libudev</refentrytitle>
|
||||
<manvolnum>3</manvolnum>
|
||||
</refmeta>
|
||||
|
||||
<refnamediv>
|
||||
<refname>libudev</refname>
|
||||
<refpurpose>API for enumerating and introspecting local devices</refpurpose>
|
||||
</refnamediv>
|
||||
|
||||
<refsynopsisdiv>
|
||||
<funcsynopsis>
|
||||
<funcsynopsisinfo>#include <libudev.h></funcsynopsisinfo>
|
||||
</funcsynopsis>
|
||||
|
||||
<cmdsynopsis>
|
||||
<command>pkg-config --cflags --libs libudev</command>
|
||||
</cmdsynopsis>
|
||||
</refsynopsisdiv>
|
||||
|
||||
<refsect1>
|
||||
<title>Description</title>
|
||||
|
||||
<para><filename>libudev.h</filename> provides APIs to introspect
|
||||
and enumerate devices on the local system.</para>
|
||||
|
||||
<para>All functions require a libudev context to operate. This
|
||||
context can be create via
|
||||
<citerefentry><refentrytitle>udev_new</refentrytitle><manvolnum>3</manvolnum></citerefentry>.
|
||||
It is used to track library state and link objects together. No
|
||||
global state is used by libudev, everything is always linked to
|
||||
a udev context. Furthermore, multiple different udev contexts can
|
||||
be used in parallel by multiple threads. However, a single context
|
||||
must not be accessed by multiple threads in parallel. The caller
|
||||
is responsible of providing suitable locking if they intend to use
|
||||
it from multiple threads.</para>
|
||||
|
||||
<para>To introspect a local device on a system, a udev device
|
||||
object can be created via
|
||||
<citerefentry><refentrytitle>udev_device_new_from_syspath</refentrytitle><manvolnum>3</manvolnum></citerefentry>
|
||||
and friends. The device object allows to query current state,
|
||||
read and write attributes and lookup properties of the device in
|
||||
question.</para>
|
||||
|
||||
<para>To enumerate local devices on the system, an enumeration
|
||||
object can be created via
|
||||
<citerefentry><refentrytitle>udev_enumerate_new</refentrytitle><manvolnum>3</manvolnum></citerefentry>.</para>
|
||||
|
||||
<para>To monitor the local system for hotplugged or unplugged
|
||||
devices, a monitor can be created via
|
||||
<citerefentry><refentrytitle>udev_monitor_new_from_netlink</refentrytitle><manvolnum>3</manvolnum></citerefentry>.</para>
|
||||
|
||||
<para>Whenever libudev returns a list of objects, the
|
||||
<citerefentry><refentrytitle>udev_list_entry</refentrytitle><manvolnum>3</manvolnum></citerefentry>
|
||||
API should be used to iterate, access and modify those lists.</para>
|
||||
|
||||
<para>Furthermore, libudev also exports legacy APIs that should
|
||||
not be used by new software (and as such are not documented as
|
||||
part of this manual). This includes the hardware-database known
|
||||
as <constant>udev_hwdb</constant> (please use the new
|
||||
<citerefentry><refentrytitle>sd-hwdb</refentrytitle><manvolnum>3</manvolnum></citerefentry>
|
||||
API instead) and the <constant>udev_queue</constant> object to
|
||||
query the udev-daemon (which should not be used by new software
|
||||
at all).</para>
|
||||
</refsect1>
|
||||
|
||||
<refsect1>
|
||||
<title>See Also</title>
|
||||
<para>
|
||||
<citerefentry><refentrytitle>udev_new</refentrytitle><manvolnum>3</manvolnum></citerefentry>,
|
||||
<citerefentry><refentrytitle>udev_device_new_from_syspath</refentrytitle><manvolnum>3</manvolnum></citerefentry>,
|
||||
<citerefentry><refentrytitle>udev_enumerate_new</refentrytitle><manvolnum>3</manvolnum></citerefentry>,
|
||||
<citerefentry><refentrytitle>udev_monitor_new_from_netlink</refentrytitle><manvolnum>3</manvolnum></citerefentry>,
|
||||
<citerefentry><refentrytitle>udev_list_entry</refentrytitle><manvolnum>3</manvolnum></citerefentry>,
|
||||
<citerefentry><refentrytitle>systemd</refentrytitle><manvolnum>1</manvolnum></citerefentry>,
|
||||
<citerefentry><refentrytitle>sd-device</refentrytitle><manvolnum>3</manvolnum></citerefentry>,
|
||||
<citerefentry><refentrytitle>sd-hwdb</refentrytitle><manvolnum>3</manvolnum></citerefentry>,
|
||||
<citerefentry project='die-net'><refentrytitle>pkg-config</refentrytitle><manvolnum>1</manvolnum></citerefentry>
|
||||
</para>
|
||||
</refsect1>
|
||||
|
||||
</refentry>
|
||||
|
|
@ -0,0 +1,207 @@
|
|||
<?xml version='1.0'?> <!--*-nxml-*-->
|
||||
<!DOCTYPE refentry PUBLIC "-//OASIS//DTD DocBook XML V4.2//EN"
|
||||
"http://www.oasis-open.org/docbook/xml/4.2/docbookx.dtd" [
|
||||
<!ENTITY % entities SYSTEM "custom-entities.ent" >
|
||||
%entities;
|
||||
]>
|
||||
|
||||
<!--
|
||||
This file is part of systemd.
|
||||
|
||||
Copyright 2015 David Herrmann <dh.herrmann@gmail.com>
|
||||
|
||||
systemd is free software; you can redistribute it and/or modify it
|
||||
under the terms of the GNU Lesser General Public License as published by
|
||||
the Free Software Foundation; either version 2.1 of the License, or
|
||||
(at your option) any later version.
|
||||
|
||||
systemd is distributed in the hope that it will be useful, but
|
||||
WITHOUT ANY WARRANTY; without even the implied warranty of
|
||||
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
|
||||
Lesser General Public License for more details.
|
||||
|
||||
You should have received a copy of the GNU Lesser General Public License
|
||||
along with systemd; If not, see <http://www.gnu.org/licenses/>.
|
||||
-->
|
||||
|
||||
<refentry id="udev_device_get_syspath"
|
||||
xmlns:xi="http://www.w3.org/2001/XInclude">
|
||||
|
||||
<refentryinfo>
|
||||
<title>udev_device_get_syspath</title>
|
||||
<productname>systemd</productname>
|
||||
|
||||
<authorgroup>
|
||||
<author>
|
||||
<contrib>Developer</contrib>
|
||||
<firstname>David</firstname>
|
||||
<surname>Herrmann</surname>
|
||||
<email>dh.herrmann@gmail.com</email>
|
||||
</author>
|
||||
</authorgroup>
|
||||
</refentryinfo>
|
||||
|
||||
<refmeta>
|
||||
<refentrytitle>udev_device_get_syspath</refentrytitle>
|
||||
<manvolnum>3</manvolnum>
|
||||
</refmeta>
|
||||
|
||||
<refnamediv>
|
||||
<refname>udev_device_get_syspath</refname>
|
||||
<refname>udev_device_get_sysname</refname>
|
||||
<refname>udev_device_get_sysnum</refname>
|
||||
<refname>udev_device_get_devpath</refname>
|
||||
<refname>udev_device_get_devnode</refname>
|
||||
<refname>udev_device_get_devnum</refname>
|
||||
<refname>udev_device_get_devtype</refname>
|
||||
<refname>udev_device_get_subsystem</refname>
|
||||
<refname>udev_device_get_driver</refname>
|
||||
<refname>udev_device_get_udev</refname>
|
||||
<refname>udev_device_get_parent</refname>
|
||||
<refname>udev_device_get_parent_with_subsystem_devtype</refname>
|
||||
<refname>udev_device_get_is_initialized</refname>
|
||||
<refname>udev_device_get_action</refname>
|
||||
|
||||
<refpurpose>Query device properties</refpurpose>
|
||||
</refnamediv>
|
||||
|
||||
<refsynopsisdiv>
|
||||
<funcsynopsis>
|
||||
<funcsynopsisinfo>#include <libudev.h></funcsynopsisinfo>
|
||||
|
||||
<funcprototype>
|
||||
<funcdef>const char *<function>udev_device_get_syspath</function></funcdef>
|
||||
<paramdef>struct udev_device *<parameter>udev_device</parameter></paramdef>
|
||||
</funcprototype>
|
||||
|
||||
<funcprototype>
|
||||
<funcdef>const char *<function>udev_device_get_sysname</function></funcdef>
|
||||
<paramdef>struct udev_device *<parameter>udev_device</parameter></paramdef>
|
||||
</funcprototype>
|
||||
|
||||
<funcprototype>
|
||||
<funcdef>const char *<function>udev_device_get_sysnum</function></funcdef>
|
||||
<paramdef>struct udev_device *<parameter>udev_device</parameter></paramdef>
|
||||
</funcprototype>
|
||||
|
||||
<funcprototype>
|
||||
<funcdef>const char *<function>udev_device_get_devpath</function></funcdef>
|
||||
<paramdef>struct udev_device *<parameter>udev_device</parameter></paramdef>
|
||||
</funcprototype>
|
||||
|
||||
<funcprototype>
|
||||
<funcdef>const char *<function>udev_device_get_devnode</function></funcdef>
|
||||
<paramdef>struct udev_device *<parameter>udev_device</parameter></paramdef>
|
||||
</funcprototype>
|
||||
|
||||
<funcprototype>
|
||||
<funcdef>dev_t <function>udev_device_get_devnum</function></funcdef>
|
||||
<paramdef>struct udev_device *<parameter>udev_device</parameter></paramdef>
|
||||
</funcprototype>
|
||||
|
||||
<funcprototype>
|
||||
<funcdef>const char *<function>udev_device_get_devtype</function></funcdef>
|
||||
<paramdef>struct udev_device *<parameter>udev_device</parameter></paramdef>
|
||||
</funcprototype>
|
||||
|
||||
<funcprototype>
|
||||
<funcdef>const char *<function>udev_device_get_subsystem</function></funcdef>
|
||||
<paramdef>struct udev_device *<parameter>udev_device</parameter></paramdef>
|
||||
</funcprototype>
|
||||
|
||||
<funcprototype>
|
||||
<funcdef>const char *<function>udev_device_get_driver</function></funcdef>
|
||||
<paramdef>struct udev_device *<parameter>udev_device</parameter></paramdef>
|
||||
</funcprototype>
|
||||
|
||||
<funcprototype>
|
||||
<funcdef>struct udev *<function>udev_device_get_udev</function></funcdef>
|
||||
<paramdef>struct udev_device *<parameter>udev_device</parameter></paramdef>
|
||||
</funcprototype>
|
||||
|
||||
<funcprototype>
|
||||
<funcdef>struct udev_device *<function>udev_device_get_parent</function></funcdef>
|
||||
<paramdef>struct udev_device *<parameter>udev_device</parameter></paramdef>
|
||||
</funcprototype>
|
||||
|
||||
<funcprototype>
|
||||
<funcdef>struct udev_device *<function>udev_device_get_parent_with_subsystem_devtype</function></funcdef>
|
||||
<paramdef>struct udev_device *<parameter>udev_device</parameter></paramdef>
|
||||
</funcprototype>
|
||||
|
||||
<funcprototype>
|
||||
<funcdef>int <function>udev_device_get_is_initialized</function></funcdef>
|
||||
<paramdef>struct udev_device *<parameter>udev_device</parameter></paramdef>
|
||||
</funcprototype>
|
||||
|
||||
<funcprototype>
|
||||
<funcdef>const char *<function>udev_device_get_action</function></funcdef>
|
||||
<paramdef>struct udev_device *<parameter>udev_device</parameter></paramdef>
|
||||
<paramdef>const char *<parameter>subsystem</parameter></paramdef>
|
||||
<paramdef>const char *<parameter>devtype</parameter></paramdef>
|
||||
</funcprototype>
|
||||
|
||||
</funcsynopsis>
|
||||
</refsynopsisdiv>
|
||||
|
||||
<!--<refsect1>
|
||||
<title>Description</title>
|
||||
|
||||
<para>XXX: Add documentation.</para>
|
||||
</refsect1>-->
|
||||
|
||||
<refsect1>
|
||||
<title>Return Value</title>
|
||||
|
||||
<para>On success, <function>udev_device_get_syspath()</function>,
|
||||
<function>udev_device_get_sysname()</function>,
|
||||
<function>udev_device_get_sysnum()</function>,
|
||||
<function>udev_device_get_devpath()</function>,
|
||||
<function>udev_device_get_devnode()</function>,
|
||||
<function>udev_device_get_devtype()</function>,
|
||||
<function>udev_device_get_subsystem()</function>,
|
||||
<function>udev_device_get_driver()</function> and
|
||||
<function>udev_device_get_action()</function> return a pointer
|
||||
to a constant string that describes the requested property. The
|
||||
lifetime of this string is bound to the device it was requested
|
||||
on. On failure, each function may return
|
||||
<constant>NULL</constant>.</para>
|
||||
|
||||
<para>On success, <function>udev_device_get_devnum()</function>
|
||||
returns the device type of the passed device. On failure, a
|
||||
device type with minor and major number set to
|
||||
<constant>0</constant> is returned.</para>
|
||||
|
||||
<para><function>udev_device_get_udev()</function> always returns
|
||||
a valid pointer to the udev context that this device belongs
|
||||
to.</para>
|
||||
|
||||
<para>On success, <function>udev_device_get_parent()</function>
|
||||
and
|
||||
<function>udev_device_get_parent_with_subsystem_devtype()</function>
|
||||
return a pointer to the parent device. No additional reference
|
||||
to this device is acquired, but the child device owns a reference
|
||||
to such parent device. On failure, <constant>NULL</constant>
|
||||
is returned.</para>
|
||||
|
||||
<para>On success, <function>udev_device_get_is_initialized()</function>
|
||||
returns either <constant>1</constant> or <constant>0</constant>,
|
||||
depending on whether the passed device is initialized or not. On
|
||||
failure, a negative error code is returned.</para>
|
||||
</refsect1>
|
||||
|
||||
<refsect1>
|
||||
<title>See Also</title>
|
||||
|
||||
<para>
|
||||
<citerefentry><refentrytitle>udev_new</refentrytitle><manvolnum>3</manvolnum></citerefentry>,
|
||||
<citerefentry><refentrytitle>udev_device_new_from_syspath</refentrytitle><manvolnum>3</manvolnum></citerefentry>,
|
||||
<citerefentry><refentrytitle>udev_device_has_tag</refentrytitle><manvolnum>3</manvolnum></citerefentry>,
|
||||
<citerefentry><refentrytitle>udev_enumerate_new</refentrytitle><manvolnum>3</manvolnum></citerefentry>,
|
||||
<citerefentry><refentrytitle>udev_monitor_new_from_netlink</refentrytitle><manvolnum>3</manvolnum></citerefentry>,
|
||||
<citerefentry><refentrytitle>udev_list_entry</refentrytitle><manvolnum>3</manvolnum></citerefentry>,
|
||||
<citerefentry><refentrytitle>systemd</refentrytitle><manvolnum>1</manvolnum></citerefentry>,
|
||||
</para>
|
||||
</refsect1>
|
||||
|
||||
</refentry>
|
||||
|
|
@ -0,0 +1,163 @@
|
|||
<?xml version='1.0'?> <!--*-nxml-*-->
|
||||
<!DOCTYPE refentry PUBLIC "-//OASIS//DTD DocBook XML V4.2//EN"
|
||||
"http://www.oasis-open.org/docbook/xml/4.2/docbookx.dtd" [
|
||||
<!ENTITY % entities SYSTEM "custom-entities.ent" >
|
||||
%entities;
|
||||
]>
|
||||
|
||||
<!--
|
||||
This file is part of systemd.
|
||||
|
||||
Copyright 2015 David Herrmann <dh.herrmann@gmail.com>
|
||||
|
||||
systemd is free software; you can redistribute it and/or modify it
|
||||
under the terms of the GNU Lesser General Public License as published by
|
||||
the Free Software Foundation; either version 2.1 of the License, or
|
||||
(at your option) any later version.
|
||||
|
||||
systemd is distributed in the hope that it will be useful, but
|
||||
WITHOUT ANY WARRANTY; without even the implied warranty of
|
||||
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
|
||||
Lesser General Public License for more details.
|
||||
|
||||
You should have received a copy of the GNU Lesser General Public License
|
||||
along with systemd; If not, see <http://www.gnu.org/licenses/>.
|
||||
-->
|
||||
|
||||
<refentry id="udev_device_has_tag"
|
||||
xmlns:xi="http://www.w3.org/2001/XInclude">
|
||||
|
||||
<refentryinfo>
|
||||
<title>udev_device_has_tag</title>
|
||||
<productname>systemd</productname>
|
||||
|
||||
<authorgroup>
|
||||
<author>
|
||||
<contrib>Developer</contrib>
|
||||
<firstname>David</firstname>
|
||||
<surname>Herrmann</surname>
|
||||
<email>dh.herrmann@gmail.com</email>
|
||||
</author>
|
||||
</authorgroup>
|
||||
</refentryinfo>
|
||||
|
||||
<refmeta>
|
||||
<refentrytitle>udev_device_has_tag</refentrytitle>
|
||||
<manvolnum>3</manvolnum>
|
||||
</refmeta>
|
||||
|
||||
<refnamediv>
|
||||
<refname>udev_device_has_tag</refname>
|
||||
<refname>udev_device_get_devlinks_list_entry</refname>
|
||||
<refname>udev_device_get_properties_list_entry</refname>
|
||||
<refname>udev_device_get_tags_list_entry</refname>
|
||||
<refname>udev_device_get_sysattr_list_entry</refname>
|
||||
<refname>udev_device_get_property_value</refname>
|
||||
<refname>udev_device_get_sysattr_value</refname>
|
||||
<refname>udev_device_set_sysattr_value</refname>
|
||||
|
||||
<refpurpose>Retrieve or set device attributes</refpurpose>
|
||||
</refnamediv>
|
||||
|
||||
<refsynopsisdiv>
|
||||
<funcsynopsis>
|
||||
<funcsynopsisinfo>#include <libudev.h></funcsynopsisinfo>
|
||||
|
||||
<funcprototype>
|
||||
<funcdef>struct udev_list_entry *<function>udev_device_get_devlinks_list_entry</function></funcdef>
|
||||
<paramdef>struct udev_device *<parameter>udev_device</parameter></paramdef>
|
||||
</funcprototype>
|
||||
|
||||
<funcprototype>
|
||||
<funcdef>struct udev_list_entry *<function>udev_device_get_properties_list_entry</function></funcdef>
|
||||
<paramdef>struct udev_device *<parameter>udev_device</parameter></paramdef>
|
||||
</funcprototype>
|
||||
|
||||
<funcprototype>
|
||||
<funcdef>struct udev_list_entry *<function>udev_device_get_tags_list_entry</function></funcdef>
|
||||
<paramdef>struct udev_device *<parameter>udev_device</parameter></paramdef>
|
||||
</funcprototype>
|
||||
|
||||
<funcprototype>
|
||||
<funcdef>struct udev_list_entry *<function>udev_device_get_sysattr_list_entry</function></funcdef>
|
||||
<paramdef>struct udev_device *<parameter>udev_device</parameter></paramdef>
|
||||
</funcprototype>
|
||||
|
||||
<funcprototype>
|
||||
<funcdef>const char *<function>udev_device_get_property_value</function></funcdef>
|
||||
<paramdef>struct udev_device *<parameter>udev_device</parameter></paramdef>
|
||||
<paramdef>const char *<parameter>key</parameter></paramdef>
|
||||
</funcprototype>
|
||||
|
||||
<funcprototype>
|
||||
<funcdef>int <function>udev_device_has_tag</function></funcdef>
|
||||
<paramdef>struct udev_device *<parameter>udev_device</parameter></paramdef>
|
||||
<paramdef>const char *<parameter>tag</parameter></paramdef>
|
||||
</funcprototype>
|
||||
|
||||
<funcprototype>
|
||||
<funcdef>const char *<function>udev_device_get_sysattr_value</function></funcdef>
|
||||
<paramdef>struct udev_device *<parameter>udev_device</parameter></paramdef>
|
||||
<paramdef>const char *<parameter>sysattr</parameter></paramdef>
|
||||
</funcprototype>
|
||||
|
||||
<funcprototype>
|
||||
<funcdef>int <function>udev_device_set_sysattr_value</function></funcdef>
|
||||
<paramdef>struct udev_device *<parameter>udev_device</parameter></paramdef>
|
||||
<paramdef>const char *<parameter>sysattr</parameter></paramdef>
|
||||
<paramdef>const char *<parameter>value</parameter></paramdef>
|
||||
</funcprototype>
|
||||
|
||||
</funcsynopsis>
|
||||
</refsynopsisdiv>
|
||||
|
||||
<!--<refsect1>
|
||||
<title>Description</title>
|
||||
|
||||
<para>XXX: Add short description.</para>
|
||||
</refsect1>-->
|
||||
|
||||
<refsect1>
|
||||
<title>Return Value</title>
|
||||
|
||||
<para>On success,
|
||||
<function>udev_device_get_devlinks_list_entry()</function>,
|
||||
<function>udev_device_get_properties_list_entry()</function>,
|
||||
<function>udev_device_get_tags_list_entry()</function> and
|
||||
<function>udev_device_get_sysattr_list_entry()</function> return
|
||||
a pointer to the first entry of the retrieved list. If that list
|
||||
is empty, or if an error occurred, <constant>NULL</constant> is
|
||||
returned.</para>
|
||||
|
||||
<para>On success,
|
||||
<function>udev_device_get_property_value()</function> and
|
||||
<function>udev_device_get_sysattr_value()</function> return a
|
||||
pointer to a constant string of the requested value. On error,
|
||||
<constant>NULL</constant> is returned.</para>
|
||||
|
||||
<para>On success,
|
||||
<function>udev_device_set_sysattr_value()</function> returns
|
||||
an integer greater than, or equal to, <constant>0</constant>.
|
||||
On failure, a negative error code is returned.</para>
|
||||
|
||||
<para>On success, <function>udev_device_has_tag()</function>
|
||||
returns <constant>1</constant> or <constant>0</constant>,
|
||||
depending on whether the device has the given tag or not.
|
||||
On failure, a negative error code is returned.</para>
|
||||
</refsect1>
|
||||
|
||||
<refsect1>
|
||||
<title>See Also</title>
|
||||
|
||||
<para>
|
||||
<citerefentry><refentrytitle>udev_new</refentrytitle><manvolnum>3</manvolnum></citerefentry>,
|
||||
<citerefentry><refentrytitle>udev_device_new_from_syspath</refentrytitle><manvolnum>3</manvolnum></citerefentry>,
|
||||
<citerefentry><refentrytitle>udev_device_get_syspath</refentrytitle><manvolnum>3</manvolnum></citerefentry>,
|
||||
<citerefentry><refentrytitle>udev_enumerate_new</refentrytitle><manvolnum>3</manvolnum></citerefentry>,
|
||||
<citerefentry><refentrytitle>udev_monitor_new_from_netlink</refentrytitle><manvolnum>3</manvolnum></citerefentry>,
|
||||
<citerefentry><refentrytitle>udev_list_entry</refentrytitle><manvolnum>3</manvolnum></citerefentry>,
|
||||
<citerefentry><refentrytitle>systemd</refentrytitle><manvolnum>1</manvolnum></citerefentry>,
|
||||
</para>
|
||||
</refsect1>
|
||||
|
||||
</refentry>
|
||||
|
|
@ -0,0 +1,145 @@
|
|||
<?xml version='1.0'?> <!--*-nxml-*-->
|
||||
<!DOCTYPE refentry PUBLIC "-//OASIS//DTD DocBook XML V4.2//EN"
|
||||
"http://www.oasis-open.org/docbook/xml/4.2/docbookx.dtd" [
|
||||
<!ENTITY % entities SYSTEM "custom-entities.ent" >
|
||||
%entities;
|
||||
]>
|
||||
|
||||
<!--
|
||||
This file is part of systemd.
|
||||
|
||||
Copyright 2015 David Herrmann <dh.herrmann@gmail.com>
|
||||
|
||||
systemd is free software; you can redistribute it and/or modify it
|
||||
under the terms of the GNU Lesser General Public License as published by
|
||||
the Free Software Foundation; either version 2.1 of the License, or
|
||||
(at your option) any later version.
|
||||
|
||||
systemd is distributed in the hope that it will be useful, but
|
||||
WITHOUT ANY WARRANTY; without even the implied warranty of
|
||||
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
|
||||
Lesser General Public License for more details.
|
||||
|
||||
You should have received a copy of the GNU Lesser General Public License
|
||||
along with systemd; If not, see <http://www.gnu.org/licenses/>.
|
||||
-->
|
||||
|
||||
<refentry id="udev_device_new_from_syspath"
|
||||
xmlns:xi="http://www.w3.org/2001/XInclude">
|
||||
|
||||
<refentryinfo>
|
||||
<title>udev_device_new_from_syspath</title>
|
||||
<productname>systemd</productname>
|
||||
|
||||
<authorgroup>
|
||||
<author>
|
||||
<contrib>Developer</contrib>
|
||||
<firstname>David</firstname>
|
||||
<surname>Herrmann</surname>
|
||||
<email>dh.herrmann@gmail.com</email>
|
||||
</author>
|
||||
</authorgroup>
|
||||
</refentryinfo>
|
||||
|
||||
<refmeta>
|
||||
<refentrytitle>udev_device_new_from_syspath</refentrytitle>
|
||||
<manvolnum>3</manvolnum>
|
||||
</refmeta>
|
||||
|
||||
<refnamediv>
|
||||
<refname>udev_device_new_from_syspath</refname>
|
||||
<refname>udev_device_new_from_devnum</refname>
|
||||
<refname>udev_device_new_from_subsystem_sysname</refname>
|
||||
<refname>udev_device_new_from_device_id</refname>
|
||||
<refname>udev_device_new_from_environment</refname>
|
||||
<refname>udev_device_ref</refname>
|
||||
<refname>udev_device_unref</refname>
|
||||
|
||||
<refpurpose>Create, acquire and release a udev device object</refpurpose>
|
||||
</refnamediv>
|
||||
|
||||
<refsynopsisdiv>
|
||||
<funcsynopsis>
|
||||
<funcsynopsisinfo>#include <libudev.h></funcsynopsisinfo>
|
||||
|
||||
<funcprototype>
|
||||
<funcdef>struct udev_device *<function>udev_device_new_from_syspath</function></funcdef>
|
||||
<paramdef>struct udev *<parameter>udev</parameter></paramdef>
|
||||
<paramdef>const char *<parameter>syspath</parameter></paramdef>
|
||||
</funcprototype>
|
||||
|
||||
<funcprototype>
|
||||
<funcdef>struct udev_device *<function>udev_device_new_from_devnum</function></funcdef>
|
||||
<paramdef>struct udev *<parameter>udev</parameter></paramdef>
|
||||
<paramdef>char <parameter>type</parameter></paramdef>
|
||||
<paramdef>dev_t <parameter>devnum</parameter></paramdef>
|
||||
</funcprototype>
|
||||
|
||||
<funcprototype>
|
||||
<funcdef>struct udev_device *<function>udev_device_new_from_subsystem_sysname</function></funcdef>
|
||||
<paramdef>struct udev *<parameter>udev</parameter></paramdef>
|
||||
<paramdef>const char *<parameter>subsystem</parameter></paramdef>
|
||||
<paramdef>const char *<parameter>sysname</parameter></paramdef>
|
||||
</funcprototype>
|
||||
|
||||
<funcprototype>
|
||||
<funcdef>struct udev_device *<function>udev_device_new_from_device_id</function></funcdef>
|
||||
<paramdef>struct udev *<parameter>udev</parameter></paramdef>
|
||||
<paramdef>const char *<parameter>id</parameter></paramdef>
|
||||
</funcprototype>
|
||||
|
||||
<funcprototype>
|
||||
<funcdef>struct udev_device *<function>udev_device_new_from_environment</function></funcdef>
|
||||
<paramdef>struct udev *<parameter>udev</parameter></paramdef>
|
||||
</funcprototype>
|
||||
|
||||
<funcprototype>
|
||||
<funcdef>struct udev_device *<function>udev_device_ref</function></funcdef>
|
||||
<paramdef>struct udev_device *<parameter>udev_device</parameter></paramdef>
|
||||
</funcprototype>
|
||||
|
||||
<funcprototype>
|
||||
<funcdef>struct udev_device *<function>udev_device_unref</function></funcdef>
|
||||
<paramdef>struct udev_device *<parameter>udev_device</parameter></paramdef>
|
||||
</funcprototype>
|
||||
|
||||
</funcsynopsis>
|
||||
</refsynopsisdiv>
|
||||
|
||||
<!--<refsect1>
|
||||
<title>Description</title>
|
||||
|
||||
<para>XXX: Add some description.</para>
|
||||
</refsect1>-->
|
||||
|
||||
<refsect1>
|
||||
<title>Return Value</title>
|
||||
|
||||
<para>On success, <function>udev_device_new_from_syspath()</function>,
|
||||
<function>udev_device_new_from_devnum()</function>,
|
||||
<function>udev_device_new_from_subsystem_sysname()</function>,
|
||||
<function>udev_device_new_from_device_id()</function> and
|
||||
<function>udev_device_new_from_environment()</function> return a
|
||||
pointer to the allocated udev device. On failure,
|
||||
<constant>NULL</constant> is returned.
|
||||
<function>udev_device_ref()</function> returns the argument
|
||||
that it was passed, unmodified.
|
||||
<function>udev_device_unref()</function> always returns
|
||||
<constant>NULL</constant>.</para>
|
||||
</refsect1>
|
||||
|
||||
<refsect1>
|
||||
<title>See Also</title>
|
||||
|
||||
<para>
|
||||
<citerefentry><refentrytitle>udev_new</refentrytitle><manvolnum>3</manvolnum></citerefentry>,
|
||||
<citerefentry><refentrytitle>udev_device_get_syspath</refentrytitle><manvolnum>3</manvolnum></citerefentry>,
|
||||
<citerefentry><refentrytitle>udev_device_has_tag</refentrytitle><manvolnum>3</manvolnum></citerefentry>,
|
||||
<citerefentry><refentrytitle>udev_enumerate_new</refentrytitle><manvolnum>3</manvolnum></citerefentry>,
|
||||
<citerefentry><refentrytitle>udev_monitor_new_from_netlink</refentrytitle><manvolnum>3</manvolnum></citerefentry>,
|
||||
<citerefentry><refentrytitle>udev_list_entry</refentrytitle><manvolnum>3</manvolnum></citerefentry>,
|
||||
<citerefentry><refentrytitle>systemd</refentrytitle><manvolnum>1</manvolnum></citerefentry>,
|
||||
</para>
|
||||
</refsect1>
|
||||
|
||||
</refentry>
|
||||
|
|
@ -0,0 +1,163 @@
|
|||
<?xml version='1.0'?> <!--*-nxml-*-->
|
||||
<!DOCTYPE refentry PUBLIC "-//OASIS//DTD DocBook XML V4.2//EN"
|
||||
"http://www.oasis-open.org/docbook/xml/4.2/docbookx.dtd" [
|
||||
<!ENTITY % entities SYSTEM "custom-entities.ent" >
|
||||
%entities;
|
||||
]>
|
||||
|
||||
<!--
|
||||
This file is part of systemd.
|
||||
|
||||
Copyright 2015 David Herrmann <dh.herrmann@gmail.com>
|
||||
|
||||
systemd is free software; you can redistribute it and/or modify it
|
||||
under the terms of the GNU Lesser General Public License as published by
|
||||
the Free Software Foundation; either version 2.1 of the License, or
|
||||
(at your option) any later version.
|
||||
|
||||
systemd is distributed in the hope that it will be useful, but
|
||||
WITHOUT ANY WARRANTY; without even the implied warranty of
|
||||
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
|
||||
Lesser General Public License for more details.
|
||||
|
||||
You should have received a copy of the GNU Lesser General Public License
|
||||
along with systemd; If not, see <http://www.gnu.org/licenses/>.
|
||||
-->
|
||||
|
||||
<refentry id="udev_enumerate_add_match_subsystem"
|
||||
xmlns:xi="http://www.w3.org/2001/XInclude">
|
||||
|
||||
<refentryinfo>
|
||||
<title>udev_enumerate_add_match_subsystem</title>
|
||||
<productname>systemd</productname>
|
||||
|
||||
<authorgroup>
|
||||
<author>
|
||||
<contrib>Developer</contrib>
|
||||
<firstname>David</firstname>
|
||||
<surname>Herrmann</surname>
|
||||
<email>dh.herrmann@gmail.com</email>
|
||||
</author>
|
||||
</authorgroup>
|
||||
</refentryinfo>
|
||||
|
||||
<refmeta>
|
||||
<refentrytitle>udev_enumerate_add_match_subsystem</refentrytitle>
|
||||
<manvolnum>3</manvolnum>
|
||||
</refmeta>
|
||||
|
||||
<refnamediv>
|
||||
<refname>udev_enumerate_add_match_subsystem</refname>
|
||||
<refname>udev_enumerate_add_nomatch_subsystem</refname>
|
||||
<refname>udev_enumerate_add_match_sysattr</refname>
|
||||
<refname>udev_enumerate_add_nomatch_sysattr</refname>
|
||||
<refname>udev_enumerate_add_match_property</refname>
|
||||
<refname>udev_enumerate_add_match_sysname</refname>
|
||||
<refname>udev_enumerate_add_match_tag</refname>
|
||||
<refname>udev_enumerate_add_match_parent</refname>
|
||||
<refname>udev_enumerate_add_match_is_initialized</refname>
|
||||
|
||||
<refpurpose>Modify filters</refpurpose>
|
||||
</refnamediv>
|
||||
|
||||
<refsynopsisdiv>
|
||||
<funcsynopsis>
|
||||
<funcsynopsisinfo>#include <libudev.h></funcsynopsisinfo>
|
||||
|
||||
<funcprototype>
|
||||
<funcdef>int <function>udev_enumerate_add_match_subsystem</function></funcdef>
|
||||
<paramdef>struct udev_enumerate *<parameter>udev_enumerate</parameter></paramdef>
|
||||
<paramdef>const char *<parameter>subsystem</parameter></paramdef>
|
||||
</funcprototype>
|
||||
|
||||
<funcprototype>
|
||||
<funcdef>int <function>udev_enumerate_add_nomatch_subsystem</function></funcdef>
|
||||
<paramdef>struct udev_enumerate *<parameter>udev_enumerate</parameter></paramdef>
|
||||
<paramdef>const char *<parameter>subsystem</parameter></paramdef>
|
||||
</funcprototype>
|
||||
|
||||
<funcprototype>
|
||||
<funcdef>int <function>udev_enumerate_add_match_sysattr</function></funcdef>
|
||||
<paramdef>struct udev_enumerate *<parameter>udev_enumerate</parameter></paramdef>
|
||||
<paramdef>const char *<parameter>sysattr</parameter></paramdef>
|
||||
<paramdef>const char *<parameter>value</parameter></paramdef>
|
||||
</funcprototype>
|
||||
|
||||
<funcprototype>
|
||||
<funcdef>int <function>udev_enumerate_add_nomatch_sysattr</function></funcdef>
|
||||
<paramdef>struct udev_enumerate *<parameter>udev_enumerate</parameter></paramdef>
|
||||
<paramdef>const char *<parameter>sysattr</parameter></paramdef>
|
||||
<paramdef>const char *<parameter>value</parameter></paramdef>
|
||||
</funcprototype>
|
||||
|
||||
<funcprototype>
|
||||
<funcdef>int <function>udev_enumerate_add_match_property</function></funcdef>
|
||||
<paramdef>struct udev_enumerate *<parameter>udev_enumerate</parameter></paramdef>
|
||||
<paramdef>const char *<parameter>property</parameter></paramdef>
|
||||
<paramdef>const char *<parameter>value</parameter></paramdef>
|
||||
</funcprototype>
|
||||
|
||||
<funcprototype>
|
||||
<funcdef>int <function>udev_enumerate_add_match_sysname</function></funcdef>
|
||||
<paramdef>struct udev_enumerate *<parameter>udev_enumerate</parameter></paramdef>
|
||||
<paramdef>const char *<parameter>sysname</parameter></paramdef>
|
||||
</funcprototype>
|
||||
|
||||
<funcprototype>
|
||||
<funcdef>int <function>udev_enumerate_add_match_tag</function></funcdef>
|
||||
<paramdef>struct udev_enumerate *<parameter>udev_enumerate</parameter></paramdef>
|
||||
<paramdef>const char *<parameter>tag</parameter></paramdef>
|
||||
</funcprototype>
|
||||
|
||||
<funcprototype>
|
||||
<funcdef>int <function>udev_enumerate_add_match_parent</function></funcdef>
|
||||
<paramdef>struct udev_enumerate *<parameter>udev_enumerate</parameter></paramdef>
|
||||
<paramdef>struct udev_device *<parameter>parent</parameter></paramdef>
|
||||
</funcprototype>
|
||||
|
||||
<funcprototype>
|
||||
<funcdef>int <function>udev_enumerate_add_match_is_initialized</function></funcdef>
|
||||
<paramdef>struct udev_enumerate *<parameter>udev_enumerate</parameter></paramdef>
|
||||
</funcprototype>
|
||||
|
||||
</funcsynopsis>
|
||||
</refsynopsisdiv>
|
||||
|
||||
<!--<refsect1>
|
||||
<title>Description</title>
|
||||
|
||||
<para>XXX: Add short description.</para>
|
||||
</refsect1>-->
|
||||
|
||||
<refsect1>
|
||||
<title>Return Value</title>
|
||||
|
||||
<para>On success,
|
||||
<function>udev_enumerate_add_match_subsystem</function>,
|
||||
<function>udev_enumerate_add_nomatch_subsystem</function>,
|
||||
<function>udev_enumerate_add_match_sysattr</function>,
|
||||
<function>udev_enumerate_add_nomatch_sysattr</function>,
|
||||
<function>udev_enumerate_add_match_property</function>,
|
||||
<function>udev_enumerate_add_match_sysname</function>,
|
||||
<function>udev_enumerate_add_match_tag</function>,
|
||||
<function>udev_enumerate_add_match_parent</function> and
|
||||
<function>udev_enumerate_add_match_is_initialized</function>
|
||||
return an integer greater than, or equal to,
|
||||
<constant>0</constant>.</para>
|
||||
</refsect1>
|
||||
|
||||
<refsect1>
|
||||
<title>See Also</title>
|
||||
|
||||
<para>
|
||||
<citerefentry><refentrytitle>udev_new</refentrytitle><manvolnum>3</manvolnum></citerefentry>,
|
||||
<citerefentry><refentrytitle>udev_device_new_from_syspath</refentrytitle><manvolnum>3</manvolnum></citerefentry>,
|
||||
<citerefentry><refentrytitle>udev_enumerate_new</refentrytitle><manvolnum>3</manvolnum></citerefentry>,
|
||||
<citerefentry><refentrytitle>udev_enumerate_scan_devices</refentrytitle><manvolnum>3</manvolnum></citerefentry>,
|
||||
<citerefentry><refentrytitle>udev_monitor_new_from_netlink</refentrytitle><manvolnum>3</manvolnum></citerefentry>,
|
||||
<citerefentry><refentrytitle>udev_list_entry</refentrytitle><manvolnum>3</manvolnum></citerefentry>,
|
||||
<citerefentry><refentrytitle>systemd</refentrytitle><manvolnum>1</manvolnum></citerefentry>,
|
||||
</para>
|
||||
</refsect1>
|
||||
|
||||
</refentry>
|
||||
|
|
@ -0,0 +1,111 @@
|
|||
<?xml version='1.0'?> <!--*-nxml-*-->
|
||||
<!DOCTYPE refentry PUBLIC "-//OASIS//DTD DocBook XML V4.2//EN"
|
||||
"http://www.oasis-open.org/docbook/xml/4.2/docbookx.dtd" [
|
||||
<!ENTITY % entities SYSTEM "custom-entities.ent" >
|
||||
%entities;
|
||||
]>
|
||||
|
||||
<!--
|
||||
This file is part of systemd.
|
||||
|
||||
Copyright 2015 David Herrmann <dh.herrmann@gmail.com>
|
||||
|
||||
systemd is free software; you can redistribute it and/or modify it
|
||||
under the terms of the GNU Lesser General Public License as published by
|
||||
the Free Software Foundation; either version 2.1 of the License, or
|
||||
(at your option) any later version.
|
||||
|
||||
systemd is distributed in the hope that it will be useful, but
|
||||
WITHOUT ANY WARRANTY; without even the implied warranty of
|
||||
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
|
||||
Lesser General Public License for more details.
|
||||
|
||||
You should have received a copy of the GNU Lesser General Public License
|
||||
along with systemd; If not, see <http://www.gnu.org/licenses/>.
|
||||
-->
|
||||
|
||||
<refentry id="udev_enumerate_new"
|
||||
xmlns:xi="http://www.w3.org/2001/XInclude">
|
||||
|
||||
<refentryinfo>
|
||||
<title>udev_enumerate_new</title>
|
||||
<productname>systemd</productname>
|
||||
|
||||
<authorgroup>
|
||||
<author>
|
||||
<contrib>Developer</contrib>
|
||||
<firstname>David</firstname>
|
||||
<surname>Herrmann</surname>
|
||||
<email>dh.herrmann@gmail.com</email>
|
||||
</author>
|
||||
</authorgroup>
|
||||
</refentryinfo>
|
||||
|
||||
<refmeta>
|
||||
<refentrytitle>udev_enumerate_new</refentrytitle>
|
||||
<manvolnum>3</manvolnum>
|
||||
</refmeta>
|
||||
|
||||
<refnamediv>
|
||||
<refname>udev_enumerate_new</refname>
|
||||
<refname>udev_enumerate_ref</refname>
|
||||
<refname>udev_enumerate_unref</refname>
|
||||
|
||||
<refpurpose>Create, acquire and release a udev enumerate object</refpurpose>
|
||||
</refnamediv>
|
||||
|
||||
<refsynopsisdiv>
|
||||
<funcsynopsis>
|
||||
<funcsynopsisinfo>#include <libudev.h></funcsynopsisinfo>
|
||||
|
||||
<funcprototype>
|
||||
<funcdef>struct udev_enumerate *<function>udev_enumerate_new</function></funcdef>
|
||||
<paramdef>struct udev *<parameter>udev</parameter></paramdef>
|
||||
</funcprototype>
|
||||
|
||||
<funcprototype>
|
||||
<funcdef>struct udev_enumerate *<function>udev_enumerate_ref</function></funcdef>
|
||||
<paramdef>struct udev_enumerate *<parameter>udev_enumerate</parameter></paramdef>
|
||||
</funcprototype>
|
||||
|
||||
<funcprototype>
|
||||
<funcdef>struct udev_enumerate *<function>udev_enumerate_unref</function></funcdef>
|
||||
<paramdef>struct udev_enumerate *<parameter>udev_enumerate</parameter></paramdef>
|
||||
</funcprototype>
|
||||
|
||||
</funcsynopsis>
|
||||
</refsynopsisdiv>
|
||||
|
||||
<!--<refsect1>
|
||||
<title>Description</title>
|
||||
|
||||
<para>XXX: Add short description.</para>
|
||||
</refsect1>-->
|
||||
|
||||
<refsect1>
|
||||
<title>Return Value</title>
|
||||
|
||||
<para>On success, <function>udev_enumerate_new()</function> returns a
|
||||
pointer to the allocated udev monitor. On failure,
|
||||
<constant>NULL</constant> is returned.
|
||||
<function>udev_enumerate_ref()</function> returns the argument
|
||||
that it was passed, unmodified.
|
||||
<function>udev_enumerate_unref()</function> always returns
|
||||
<constant>NULL</constant>.</para>
|
||||
</refsect1>
|
||||
|
||||
<refsect1>
|
||||
<title>See Also</title>
|
||||
|
||||
<para>
|
||||
<citerefentry><refentrytitle>udev_new</refentrytitle><manvolnum>3</manvolnum></citerefentry>,
|
||||
<citerefentry><refentrytitle>udev_device_new_from_syspath</refentrytitle><manvolnum>3</manvolnum></citerefentry>,
|
||||
<citerefentry><refentrytitle>udev_enumerate_add_match_subsystem</refentrytitle><manvolnum>3</manvolnum></citerefentry>,
|
||||
<citerefentry><refentrytitle>udev_enumerate_scan_devices</refentrytitle><manvolnum>3</manvolnum></citerefentry>,
|
||||
<citerefentry><refentrytitle>udev_monitor_new_from_netlink</refentrytitle><manvolnum>3</manvolnum></citerefentry>,
|
||||
<citerefentry><refentrytitle>udev_list_entry</refentrytitle><manvolnum>3</manvolnum></citerefentry>,
|
||||
<citerefentry><refentrytitle>systemd</refentrytitle><manvolnum>1</manvolnum></citerefentry>,
|
||||
</para>
|
||||
</refsect1>
|
||||
|
||||
</refentry>
|
||||
|
|
@ -0,0 +1,133 @@
|
|||
<?xml version='1.0'?> <!--*-nxml-*-->
|
||||
<!DOCTYPE refentry PUBLIC "-//OASIS//DTD DocBook XML V4.2//EN"
|
||||
"http://www.oasis-open.org/docbook/xml/4.2/docbookx.dtd" [
|
||||
<!ENTITY % entities SYSTEM "custom-entities.ent" >
|
||||
%entities;
|
||||
]>
|
||||
|
||||
<!--
|
||||
This file is part of systemd.
|
||||
|
||||
Copyright 2015 David Herrmann <dh.herrmann@gmail.com>
|
||||
|
||||
systemd is free software; you can redistribute it and/or modify it
|
||||
under the terms of the GNU Lesser General Public License as published by
|
||||
the Free Software Foundation; either version 2.1 of the License, or
|
||||
(at your option) any later version.
|
||||
|
||||
systemd is distributed in the hope that it will be useful, but
|
||||
WITHOUT ANY WARRANTY; without even the implied warranty of
|
||||
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
|
||||
Lesser General Public License for more details.
|
||||
|
||||
You should have received a copy of the GNU Lesser General Public License
|
||||
along with systemd; If not, see <http://www.gnu.org/licenses/>.
|
||||
-->
|
||||
|
||||
<refentry id="udev_enumerate_scan_devices"
|
||||
xmlns:xi="http://www.w3.org/2001/XInclude">
|
||||
|
||||
<refentryinfo>
|
||||
<title>udev_enumerate_scan_devices</title>
|
||||
<productname>systemd</productname>
|
||||
|
||||
<authorgroup>
|
||||
<author>
|
||||
<contrib>Developer</contrib>
|
||||
<firstname>David</firstname>
|
||||
<surname>Herrmann</surname>
|
||||
<email>dh.herrmann@gmail.com</email>
|
||||
</author>
|
||||
</authorgroup>
|
||||
</refentryinfo>
|
||||
|
||||
<refmeta>
|
||||
<refentrytitle>udev_enumerate_scan_devices</refentrytitle>
|
||||
<manvolnum>3</manvolnum>
|
||||
</refmeta>
|
||||
|
||||
<refnamediv>
|
||||
<refname>udev_enumerate_scan_devices</refname>
|
||||
<refname>udev_enumerate_scan_subsystems</refname>
|
||||
<refname>udev_enumerate_get_list_entry</refname>
|
||||
<refname>udev_enumerate_add_syspath</refname>
|
||||
<refname>udev_enumerate_get_udev</refname>
|
||||
|
||||
<refpurpose>Query or modify a udev enumerate object</refpurpose>
|
||||
</refnamediv>
|
||||
|
||||
<refsynopsisdiv>
|
||||
<funcsynopsis>
|
||||
<funcsynopsisinfo>#include <libudev.h></funcsynopsisinfo>
|
||||
|
||||
<funcprototype>
|
||||
<funcdef>int <function>udev_enumerate_scan_devices</function></funcdef>
|
||||
<paramdef>struct udev_enumerate *<parameter>udev_enumerate</parameter></paramdef>
|
||||
</funcprototype>
|
||||
|
||||
<funcprototype>
|
||||
<funcdef>int <function>udev_enumerate_scan_subsystems</function></funcdef>
|
||||
<paramdef>struct udev_enumerate *<parameter>udev_enumerate</parameter></paramdef>
|
||||
</funcprototype>
|
||||
|
||||
<funcprototype>
|
||||
<funcdef>struct udev_list_entry *<function>udev_enumerate_get_list_entry</function></funcdef>
|
||||
<paramdef>struct udev_enumerate *<parameter>udev_enumerate</parameter></paramdef>
|
||||
</funcprototype>
|
||||
|
||||
<funcprototype>
|
||||
<funcdef>int <function>udev_enumerate_add_syspath</function></funcdef>
|
||||
<paramdef>struct udev_enumerate *<parameter>udev_enumerate</parameter></paramdef>
|
||||
<paramdef>const char *<parameter>syspath</parameter></paramdef>
|
||||
</funcprototype>
|
||||
|
||||
<funcprototype>
|
||||
<funcdef>struct udev *<function>udev_enumerate_get_udev</function></funcdef>
|
||||
<paramdef>struct udev_enumerate *<parameter>udev_enumerate</parameter></paramdef>
|
||||
</funcprototype>
|
||||
|
||||
</funcsynopsis>
|
||||
</refsynopsisdiv>
|
||||
|
||||
<!--<refsect1>
|
||||
<title>Description</title>
|
||||
|
||||
<para>XXX: Add short description.</para>
|
||||
</refsect1>-->
|
||||
|
||||
<refsect1>
|
||||
<title>Return Value</title>
|
||||
|
||||
<para>On success,
|
||||
<function>udev_enumerate_scan_devices()</function>,
|
||||
<function>udev_enumerate_scan_subsystems()</function> and
|
||||
<function>udev_enumerate_add_syspath()</function>
|
||||
return an integer greater than, or equal to,
|
||||
<constant>0</constant>.</para>
|
||||
|
||||
<para>On success,
|
||||
<function>udev_enumerate_get_list_entry()</function>
|
||||
returns a pointer to the first entry in the list of found
|
||||
devices. If the list is empty, or on failure,
|
||||
<constant>NULL</constant> is returned.</para>
|
||||
|
||||
<para><function>udev_enumerate_get_udev()</function> always
|
||||
returns a pointer to the udev context that this enumerate
|
||||
object is associated with.</para>
|
||||
</refsect1>
|
||||
|
||||
<refsect1>
|
||||
<title>See Also</title>
|
||||
|
||||
<para>
|
||||
<citerefentry><refentrytitle>udev_new</refentrytitle><manvolnum>3</manvolnum></citerefentry>,
|
||||
<citerefentry><refentrytitle>udev_device_new_from_syspath</refentrytitle><manvolnum>3</manvolnum></citerefentry>,
|
||||
<citerefentry><refentrytitle>udev_enumerate_new</refentrytitle><manvolnum>3</manvolnum></citerefentry>,
|
||||
<citerefentry><refentrytitle>udev_enumerate_add_match_subsystem</refentrytitle><manvolnum>3</manvolnum></citerefentry>,
|
||||
<citerefentry><refentrytitle>udev_monitor_new_from_netlink</refentrytitle><manvolnum>3</manvolnum></citerefentry>,
|
||||
<citerefentry><refentrytitle>udev_list_entry</refentrytitle><manvolnum>3</manvolnum></citerefentry>,
|
||||
<citerefentry><refentrytitle>systemd</refentrytitle><manvolnum>1</manvolnum></citerefentry>,
|
||||
</para>
|
||||
</refsect1>
|
||||
|
||||
</refentry>
|
||||
|
|
@ -0,0 +1,123 @@
|
|||
<?xml version='1.0'?> <!--*-nxml-*-->
|
||||
<!DOCTYPE refentry PUBLIC "-//OASIS//DTD DocBook XML V4.2//EN"
|
||||
"http://www.oasis-open.org/docbook/xml/4.2/docbookx.dtd" [
|
||||
<!ENTITY % entities SYSTEM "custom-entities.ent" >
|
||||
%entities;
|
||||
]>
|
||||
|
||||
<!--
|
||||
This file is part of systemd.
|
||||
|
||||
Copyright 2015 David Herrmann <dh.herrmann@gmail.com>
|
||||
|
||||
systemd is free software; you can redistribute it and/or modify it
|
||||
under the terms of the GNU Lesser General Public License as published by
|
||||
the Free Software Foundation; either version 2.1 of the License, or
|
||||
(at your option) any later version.
|
||||
|
||||
systemd is distributed in the hope that it will be useful, but
|
||||
WITHOUT ANY WARRANTY; without even the implied warranty of
|
||||
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
|
||||
Lesser General Public License for more details.
|
||||
|
||||
You should have received a copy of the GNU Lesser General Public License
|
||||
along with systemd; If not, see <http://www.gnu.org/licenses/>.
|
||||
-->
|
||||
|
||||
<refentry id="udev_list_entry"
|
||||
xmlns:xi="http://www.w3.org/2001/XInclude">
|
||||
|
||||
<refentryinfo>
|
||||
<title>udev_list_entry</title>
|
||||
<productname>systemd</productname>
|
||||
|
||||
<authorgroup>
|
||||
<author>
|
||||
<contrib>Developer</contrib>
|
||||
<firstname>David</firstname>
|
||||
<surname>Herrmann</surname>
|
||||
<email>dh.herrmann@gmail.com</email>
|
||||
</author>
|
||||
</authorgroup>
|
||||
</refentryinfo>
|
||||
|
||||
<refmeta>
|
||||
<refentrytitle>udev_list_entry</refentrytitle>
|
||||
<manvolnum>3</manvolnum>
|
||||
</refmeta>
|
||||
|
||||
<refnamediv>
|
||||
<refname>udev_list_entry</refname>
|
||||
<refname>udev_list_entry_get_next</refname>
|
||||
<refname>udev_list_entry_get_by_name</refname>
|
||||
<refname>udev_list_entry_get_name</refname>
|
||||
<refname>udev_list_entry_get_value</refname>
|
||||
|
||||
<refpurpose>Iterate and access udev lists</refpurpose>
|
||||
</refnamediv>
|
||||
|
||||
<refsynopsisdiv>
|
||||
<funcsynopsis>
|
||||
<funcsynopsisinfo>#include <libudev.h></funcsynopsisinfo>
|
||||
|
||||
<funcprototype>
|
||||
<funcdef>struct udev_list_entry *<function>udev_list_entry_get_next</function></funcdef>
|
||||
<paramdef>struct udev_list_entry *<parameter>list_entry</parameter></paramdef>
|
||||
</funcprototype>
|
||||
|
||||
<funcprototype>
|
||||
<funcdef>struct udev_list_entry *<function>udev_list_entry_get_by_name</function></funcdef>
|
||||
<paramdef>struct udev_list_entry *<parameter>list_entry</parameter></paramdef>
|
||||
<paramdef>const char *<parameter>name</parameter></paramdef>
|
||||
</funcprototype>
|
||||
|
||||
<funcprototype>
|
||||
<funcdef>const char *<function>udev_list_entry_get_name</function></funcdef>
|
||||
<paramdef>struct udev_list_entry *<parameter>list_entry</parameter></paramdef>
|
||||
</funcprototype>
|
||||
|
||||
<funcprototype>
|
||||
<funcdef>const char *<function>udev_list_entry_get_value</function></funcdef>
|
||||
<paramdef>struct udev_list_entry *<parameter>list_entry</parameter></paramdef>
|
||||
</funcprototype>
|
||||
|
||||
</funcsynopsis>
|
||||
</refsynopsisdiv>
|
||||
|
||||
<!--<refsect1>
|
||||
<title>Description</title>
|
||||
|
||||
<para>XXX: Add short description.</para>
|
||||
</refsect1>-->
|
||||
|
||||
<refsect1>
|
||||
<title>Return Value</title>
|
||||
|
||||
<para>On success,
|
||||
<function>udev_list_entry_get_next()</function> and
|
||||
<function>udev_list_entry_get_by_name()</function> return
|
||||
a pointer to the requested list entry. If no such entry can
|
||||
be found, or on failure, <constant>NULL</constant> is
|
||||
returned.</para>
|
||||
|
||||
<para>On success,
|
||||
<function>udev_list_entry_get_name()</function> and
|
||||
<function>udev_list_entry_get_value()</function> return a
|
||||
pointer to a constant string representing the requested value.
|
||||
The string is bound to the lifetime of the list-entry itself.
|
||||
On failure, <constant>NULL</constant> is returned.</para>
|
||||
</refsect1>
|
||||
|
||||
<refsect1>
|
||||
<title>See Also</title>
|
||||
|
||||
<para>
|
||||
<citerefentry><refentrytitle>udev_new</refentrytitle><manvolnum>3</manvolnum></citerefentry>,
|
||||
<citerefentry><refentrytitle>udev_device_new_from_syspath</refentrytitle><manvolnum>3</manvolnum></citerefentry>,
|
||||
<citerefentry><refentrytitle>udev_enumerate_new</refentrytitle><manvolnum>3</manvolnum></citerefentry>,
|
||||
<citerefentry><refentrytitle>udev_monitor_new_from_netlink</refentrytitle><manvolnum>3</manvolnum></citerefentry>,
|
||||
<citerefentry><refentrytitle>systemd</refentrytitle><manvolnum>1</manvolnum></citerefentry>,
|
||||
</para>
|
||||
</refsect1>
|
||||
|
||||
</refentry>
|
||||
|
|
@ -0,0 +1,122 @@
|
|||
<?xml version='1.0'?> <!--*-nxml-*-->
|
||||
<!DOCTYPE refentry PUBLIC "-//OASIS//DTD DocBook XML V4.2//EN"
|
||||
"http://www.oasis-open.org/docbook/xml/4.2/docbookx.dtd" [
|
||||
<!ENTITY % entities SYSTEM "custom-entities.ent" >
|
||||
%entities;
|
||||
]>
|
||||
|
||||
<!--
|
||||
This file is part of systemd.
|
||||
|
||||
Copyright 2015 David Herrmann <dh.herrmann@gmail.com>
|
||||
|
||||
systemd is free software; you can redistribute it and/or modify it
|
||||
under the terms of the GNU Lesser General Public License as published by
|
||||
the Free Software Foundation; either version 2.1 of the License, or
|
||||
(at your option) any later version.
|
||||
|
||||
systemd is distributed in the hope that it will be useful, but
|
||||
WITHOUT ANY WARRANTY; without even the implied warranty of
|
||||
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
|
||||
Lesser General Public License for more details.
|
||||
|
||||
You should have received a copy of the GNU Lesser General Public License
|
||||
along with systemd; If not, see <http://www.gnu.org/licenses/>.
|
||||
-->
|
||||
|
||||
<refentry id="udev_monitor_filter_update"
|
||||
xmlns:xi="http://www.w3.org/2001/XInclude">
|
||||
|
||||
<refentryinfo>
|
||||
<title>udev_monitor_filter_update</title>
|
||||
<productname>systemd</productname>
|
||||
|
||||
<authorgroup>
|
||||
<author>
|
||||
<contrib>Developer</contrib>
|
||||
<firstname>David</firstname>
|
||||
<surname>Herrmann</surname>
|
||||
<email>dh.herrmann@gmail.com</email>
|
||||
</author>
|
||||
</authorgroup>
|
||||
</refentryinfo>
|
||||
|
||||
<refmeta>
|
||||
<refentrytitle>udev_monitor_filter_update</refentrytitle>
|
||||
<manvolnum>3</manvolnum>
|
||||
</refmeta>
|
||||
|
||||
<refnamediv>
|
||||
<refname>udev_monitor_filter_update</refname>
|
||||
<refname>udev_monitor_filter_remove</refname>
|
||||
<refname>udev_monitor_filter_add_match_subsystem_devtype</refname>
|
||||
<refname>udev_monitor_filter_add_match_tag</refname>
|
||||
|
||||
<refpurpose>Modify filters</refpurpose>
|
||||
</refnamediv>
|
||||
|
||||
<refsynopsisdiv>
|
||||
<funcsynopsis>
|
||||
<funcsynopsisinfo>#include <libudev.h></funcsynopsisinfo>
|
||||
|
||||
<funcprototype>
|
||||
<funcdef>int <function>udev_monitor_filter_update</function></funcdef>
|
||||
<paramdef>struct udev_monitor *<parameter>udev_monitor</parameter></paramdef>
|
||||
</funcprototype>
|
||||
|
||||
<funcprototype>
|
||||
<funcdef>int <function>udev_monitor_filter_remove</function></funcdef>
|
||||
<paramdef>struct udev_monitor *<parameter>udev_monitor</parameter></paramdef>
|
||||
</funcprototype>
|
||||
|
||||
<funcprototype>
|
||||
<funcdef>int <function>udev_monitor_filter_add_match_subsystem_devtype</function></funcdef>
|
||||
<paramdef>struct udev_monitor *<parameter>udev_monitor</parameter></paramdef>
|
||||
<paramdef>const char *<parameter>subsystem</parameter></paramdef>
|
||||
<paramdef>const char *<parameter>devtype</parameter></paramdef>
|
||||
</funcprototype>
|
||||
|
||||
<funcprototype>
|
||||
<funcdef>int <function>udev_monitor_filter_add_match_tag</function></funcdef>
|
||||
<paramdef>struct udev_monitor *<parameter>udev_monitor</parameter></paramdef>
|
||||
<paramdef>const char *<parameter>tag</parameter></paramdef>
|
||||
</funcprototype>
|
||||
|
||||
</funcsynopsis>
|
||||
</refsynopsisdiv>
|
||||
|
||||
<!--<refsect1>
|
||||
<title>Description</title>
|
||||
|
||||
<para>XXX: Add short description.</para>
|
||||
</refsect1>-->
|
||||
|
||||
<refsect1>
|
||||
<title>Return Value</title>
|
||||
|
||||
<para>On success,
|
||||
<function>udev_monitor_filter_update()</function>,
|
||||
<function>udev_monitor_filter_remove()</function>,
|
||||
<function>udev_monitor_filter_add_match_subsystem_devtype()</function>
|
||||
and
|
||||
<function>udev_monitor_filter_add_match_tag()</function>
|
||||
return an integer greater than, or equal to,
|
||||
<constant>0</constant>. On failure, a negative error code is
|
||||
returned.</para>
|
||||
</refsect1>
|
||||
|
||||
<refsect1>
|
||||
<title>See Also</title>
|
||||
|
||||
<para>
|
||||
<citerefentry><refentrytitle>udev_new</refentrytitle><manvolnum>3</manvolnum></citerefentry>,
|
||||
<citerefentry><refentrytitle>udev_device_new_from_syspath</refentrytitle><manvolnum>3</manvolnum></citerefentry>,
|
||||
<citerefentry><refentrytitle>udev_enumerate_new</refentrytitle><manvolnum>3</manvolnum></citerefentry>,
|
||||
<citerefentry><refentrytitle>udev_monitor_new_from_netlink</refentrytitle><manvolnum>3</manvolnum></citerefentry>,
|
||||
<citerefentry><refentrytitle>udev_monitor_receive_device</refentrytitle><manvolnum>3</manvolnum></citerefentry>,
|
||||
<citerefentry><refentrytitle>udev_list_entry</refentrytitle><manvolnum>3</manvolnum></citerefentry>,
|
||||
<citerefentry><refentrytitle>systemd</refentrytitle><manvolnum>1</manvolnum></citerefentry>,
|
||||
</para>
|
||||
</refsect1>
|
||||
|
||||
</refentry>
|
||||
|
|
@ -0,0 +1,113 @@
|
|||
<?xml version='1.0'?> <!--*-nxml-*-->
|
||||
<!DOCTYPE refentry PUBLIC "-//OASIS//DTD DocBook XML V4.2//EN"
|
||||
"http://www.oasis-open.org/docbook/xml/4.2/docbookx.dtd" [
|
||||
<!ENTITY % entities SYSTEM "custom-entities.ent" >
|
||||
%entities;
|
||||
]>
|
||||
|
||||
<!--
|
||||
This file is part of systemd.
|
||||
|
||||
Copyright 2015 David Herrmann <dh.herrmann@gmail.com>
|
||||
|
||||
systemd is free software; you can redistribute it and/or modify it
|
||||
under the terms of the GNU Lesser General Public License as published by
|
||||
the Free Software Foundation; either version 2.1 of the License, or
|
||||
(at your option) any later version.
|
||||
|
||||
systemd is distributed in the hope that it will be useful, but
|
||||
WITHOUT ANY WARRANTY; without even the implied warranty of
|
||||
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
|
||||
Lesser General Public License for more details.
|
||||
|
||||
You should have received a copy of the GNU Lesser General Public License
|
||||
along with systemd; If not, see <http://www.gnu.org/licenses/>.
|
||||
-->
|
||||
|
||||
<refentry id="udev_monitor_new_from_netlink"
|
||||
xmlns:xi="http://www.w3.org/2001/XInclude">
|
||||
|
||||
<refentryinfo>
|
||||
<title>udev_monitor_new_from_netlink</title>
|
||||
<productname>systemd</productname>
|
||||
|
||||
<authorgroup>
|
||||
<author>
|
||||
<contrib>Developer</contrib>
|
||||
<firstname>David</firstname>
|
||||
<surname>Herrmann</surname>
|
||||
<email>dh.herrmann@gmail.com</email>
|
||||
</author>
|
||||
</authorgroup>
|
||||
</refentryinfo>
|
||||
|
||||
<refmeta>
|
||||
<refentrytitle>udev_monitor_new_from_netlink</refentrytitle>
|
||||
<manvolnum>3</manvolnum>
|
||||
</refmeta>
|
||||
|
||||
<refnamediv>
|
||||
<refname>udev_monitor_new_from_netlink</refname>
|
||||
<refname>udev_monitor_ref</refname>
|
||||
<refname>udev_monitor_unref</refname>
|
||||
|
||||
<refpurpose>Create, acquire and release a udev monitor object</refpurpose>
|
||||
</refnamediv>
|
||||
|
||||
<refsynopsisdiv>
|
||||
<funcsynopsis>
|
||||
<funcsynopsisinfo>#include <libudev.h></funcsynopsisinfo>
|
||||
|
||||
<funcprototype>
|
||||
<funcdef>struct udev_monitor *<function>udev_monitor_new_from_netlink</function></funcdef>
|
||||
<paramdef>struct udev *<parameter>udev</parameter></paramdef>
|
||||
<paramdef>const char *<parameter>name</parameter></paramdef>
|
||||
</funcprototype>
|
||||
|
||||
<funcprototype>
|
||||
<funcdef>struct udev_monitor *<function>udev_monitor_ref</function></funcdef>
|
||||
<paramdef>struct udev_monitor *<parameter>udev_monitor</parameter></paramdef>
|
||||
</funcprototype>
|
||||
|
||||
<funcprototype>
|
||||
<funcdef>struct udev_monitor *<function>udev_monitor_unref</function></funcdef>
|
||||
<paramdef>struct udev_monitor *<parameter>udev_monitor</parameter></paramdef>
|
||||
</funcprototype>
|
||||
|
||||
</funcsynopsis>
|
||||
</refsynopsisdiv>
|
||||
|
||||
<!--<refsect1>
|
||||
<title>Description</title>
|
||||
|
||||
<para>XXX: Add short description.</para>
|
||||
</refsect1>-->
|
||||
|
||||
<refsect1>
|
||||
<title>Return Value</title>
|
||||
|
||||
<para>On success,
|
||||
<function>udev_monitor_new_from_netlink()</function> returns a
|
||||
pointer to the allocated udev monitor. On failure,
|
||||
<constant>NULL</constant> is returned.
|
||||
<function>udev_monitor_ref()</function> returns the argument
|
||||
that it was passed, unmodified.
|
||||
<function>udev_monitor_unref()</function> always returns
|
||||
<constant>NULL</constant>.</para>
|
||||
</refsect1>
|
||||
|
||||
<refsect1>
|
||||
<title>See Also</title>
|
||||
|
||||
<para>
|
||||
<citerefentry><refentrytitle>udev_new</refentrytitle><manvolnum>3</manvolnum></citerefentry>,
|
||||
<citerefentry><refentrytitle>udev_device_new_from_syspath</refentrytitle><manvolnum>3</manvolnum></citerefentry>,
|
||||
<citerefentry><refentrytitle>udev_enumerate_new</refentrytitle><manvolnum>3</manvolnum></citerefentry>,
|
||||
<citerefentry><refentrytitle>udev_monitor_filter_update</refentrytitle><manvolnum>3</manvolnum></citerefentry>,
|
||||
<citerefentry><refentrytitle>udev_monitor_receive_device</refentrytitle><manvolnum>3</manvolnum></citerefentry>,
|
||||
<citerefentry><refentrytitle>udev_list_entry</refentrytitle><manvolnum>3</manvolnum></citerefentry>,
|
||||
<citerefentry><refentrytitle>systemd</refentrytitle><manvolnum>1</manvolnum></citerefentry>,
|
||||
</para>
|
||||
</refsect1>
|
||||
|
||||
</refentry>
|
||||
|
|
@ -0,0 +1,137 @@
|
|||
<?xml version='1.0'?> <!--*-nxml-*-->
|
||||
<!DOCTYPE refentry PUBLIC "-//OASIS//DTD DocBook XML V4.2//EN"
|
||||
"http://www.oasis-open.org/docbook/xml/4.2/docbookx.dtd" [
|
||||
<!ENTITY % entities SYSTEM "custom-entities.ent" >
|
||||
%entities;
|
||||
]>
|
||||
|
||||
<!--
|
||||
This file is part of systemd.
|
||||
|
||||
Copyright 2015 David Herrmann <dh.herrmann@gmail.com>
|
||||
|
||||
systemd is free software; you can redistribute it and/or modify it
|
||||
under the terms of the GNU Lesser General Public License as published by
|
||||
the Free Software Foundation; either version 2.1 of the License, or
|
||||
(at your option) any later version.
|
||||
|
||||
systemd is distributed in the hope that it will be useful, but
|
||||
WITHOUT ANY WARRANTY; without even the implied warranty of
|
||||
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
|
||||
Lesser General Public License for more details.
|
||||
|
||||
You should have received a copy of the GNU Lesser General Public License
|
||||
along with systemd; If not, see <http://www.gnu.org/licenses/>.
|
||||
-->
|
||||
|
||||
<refentry id="udev_monitor_receive_device"
|
||||
xmlns:xi="http://www.w3.org/2001/XInclude">
|
||||
|
||||
<refentryinfo>
|
||||
<title>udev_monitor_receive_device</title>
|
||||
<productname>systemd</productname>
|
||||
|
||||
<authorgroup>
|
||||
<author>
|
||||
<contrib>Developer</contrib>
|
||||
<firstname>David</firstname>
|
||||
<surname>Herrmann</surname>
|
||||
<email>dh.herrmann@gmail.com</email>
|
||||
</author>
|
||||
</authorgroup>
|
||||
</refentryinfo>
|
||||
|
||||
<refmeta>
|
||||
<refentrytitle>udev_monitor_receive_device</refentrytitle>
|
||||
<manvolnum>3</manvolnum>
|
||||
</refmeta>
|
||||
|
||||
<refnamediv>
|
||||
<refname>udev_monitor_receive_device</refname>
|
||||
<refname>udev_monitor_enable_receiving</refname>
|
||||
<refname>udev_monitor_set_receive_buffer_size</refname>
|
||||
<refname>udev_monitor_get_fd</refname>
|
||||
<refname>udev_monitor_get_udev</refname>
|
||||
|
||||
<refpurpose>Query and modify device monitor</refpurpose>
|
||||
</refnamediv>
|
||||
|
||||
<refsynopsisdiv>
|
||||
<funcsynopsis>
|
||||
<funcsynopsisinfo>#include <libudev.h></funcsynopsisinfo>
|
||||
|
||||
<funcprototype>
|
||||
<funcdef>struct udev_device *<function>udev_monitor_receive_device</function></funcdef>
|
||||
<paramdef>struct udev_monitor *<parameter>udev_monitor</parameter></paramdef>
|
||||
</funcprototype>
|
||||
|
||||
<funcprototype>
|
||||
<funcdef>int <function>udev_monitor_enable_receiving</function></funcdef>
|
||||
<paramdef>struct udev_monitor *<parameter>udev_monitor</parameter></paramdef>
|
||||
</funcprototype>
|
||||
|
||||
<funcprototype>
|
||||
<funcdef>int <function>udev_monitor_set_receive_buffer_size</function></funcdef>
|
||||
<paramdef>struct udev_monitor *<parameter>udev_monitor</parameter></paramdef>
|
||||
<paramdef>int <parameter>size</parameter></paramdef>
|
||||
</funcprototype>
|
||||
|
||||
<funcprototype>
|
||||
<funcdef>int <function>udev_monitor_get_fd</function></funcdef>
|
||||
<paramdef>struct udev_monitor *<parameter>udev_monitor</parameter></paramdef>
|
||||
</funcprototype>
|
||||
|
||||
<funcprototype>
|
||||
<funcdef>struct udev *<function>udev_monitor_get_udev</function></funcdef>
|
||||
<paramdef>struct udev_monitor *<parameter>udev_monitor</parameter></paramdef>
|
||||
</funcprototype>
|
||||
|
||||
</funcsynopsis>
|
||||
</refsynopsisdiv>
|
||||
|
||||
<!--<refsect1>
|
||||
<title>Description</title>
|
||||
|
||||
<para>XXX: Add short description.</para>
|
||||
</refsect1>-->
|
||||
|
||||
<refsect1>
|
||||
<title>Return Value</title>
|
||||
|
||||
<para>On success,
|
||||
<function>udev_monitor_receive_device()</function> returns a
|
||||
pointer to a newly referenced device that was received via the
|
||||
monitor. The caller is responsible to drop this reference when
|
||||
done. On failure, <constant>NULL</constant> is returned.</para>
|
||||
|
||||
<para>On success,
|
||||
<function>udev_monitor_enable_receiving()</function> and
|
||||
<function>udev_monitor_set_receive_buffer_size()</function>
|
||||
return an integer greater than, or equal to,
|
||||
<constant>0</constant>. On failure, a negative error code is
|
||||
returned.</para>
|
||||
|
||||
<para>On success, <function>udev_monitor_get_fd()</function>
|
||||
returns the file descriptor used by this monitor. On failure,
|
||||
a negative error code is returned.</para>
|
||||
|
||||
<para><function>udev_monitor_get_udev()</function> always returns
|
||||
a pointer to the udev context that this monitor is associated
|
||||
with.</para>
|
||||
</refsect1>
|
||||
|
||||
<refsect1>
|
||||
<title>See Also</title>
|
||||
|
||||
<para>
|
||||
<citerefentry><refentrytitle>udev_new</refentrytitle><manvolnum>3</manvolnum></citerefentry>,
|
||||
<citerefentry><refentrytitle>udev_device_new_from_syspath</refentrytitle><manvolnum>3</manvolnum></citerefentry>,
|
||||
<citerefentry><refentrytitle>udev_enumerate_new</refentrytitle><manvolnum>3</manvolnum></citerefentry>,
|
||||
<citerefentry><refentrytitle>udev_monitor_new_from_netlink</refentrytitle><manvolnum>3</manvolnum></citerefentry>,
|
||||
<citerefentry><refentrytitle>udev_monitor_filter_update</refentrytitle><manvolnum>3</manvolnum></citerefentry>,
|
||||
<citerefentry><refentrytitle>udev_list_entry</refentrytitle><manvolnum>3</manvolnum></citerefentry>,
|
||||
<citerefentry><refentrytitle>systemd</refentrytitle><manvolnum>1</manvolnum></citerefentry>,
|
||||
</para>
|
||||
</refsect1>
|
||||
|
||||
</refentry>
|
||||
|
|
@ -0,0 +1,110 @@
|
|||
<?xml version='1.0'?> <!--*-nxml-*-->
|
||||
<!DOCTYPE refentry PUBLIC "-//OASIS//DTD DocBook XML V4.2//EN"
|
||||
"http://www.oasis-open.org/docbook/xml/4.2/docbookx.dtd" [
|
||||
<!ENTITY % entities SYSTEM "custom-entities.ent" >
|
||||
%entities;
|
||||
]>
|
||||
|
||||
<!--
|
||||
This file is part of systemd.
|
||||
|
||||
Copyright 2015 David Herrmann <dh.herrmann@gmail.com>
|
||||
|
||||
systemd is free software; you can redistribute it and/or modify it
|
||||
under the terms of the GNU Lesser General Public License as published by
|
||||
the Free Software Foundation; either version 2.1 of the License, or
|
||||
(at your option) any later version.
|
||||
|
||||
systemd is distributed in the hope that it will be useful, but
|
||||
WITHOUT ANY WARRANTY; without even the implied warranty of
|
||||
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
|
||||
Lesser General Public License for more details.
|
||||
|
||||
You should have received a copy of the GNU Lesser General Public License
|
||||
along with systemd; If not, see <http://www.gnu.org/licenses/>.
|
||||
-->
|
||||
|
||||
<refentry id="udev_new"
|
||||
xmlns:xi="http://www.w3.org/2001/XInclude">
|
||||
|
||||
<refentryinfo>
|
||||
<title>udev_new</title>
|
||||
<productname>systemd</productname>
|
||||
|
||||
<authorgroup>
|
||||
<author>
|
||||
<contrib>Developer</contrib>
|
||||
<firstname>David</firstname>
|
||||
<surname>Herrmann</surname>
|
||||
<email>dh.herrmann@gmail.com</email>
|
||||
</author>
|
||||
</authorgroup>
|
||||
</refentryinfo>
|
||||
|
||||
<refmeta>
|
||||
<refentrytitle>udev_new</refentrytitle>
|
||||
<manvolnum>3</manvolnum>
|
||||
</refmeta>
|
||||
|
||||
<refnamediv>
|
||||
<refname>udev_new</refname>
|
||||
<refname>udev_ref</refname>
|
||||
<refname>udev_unref</refname>
|
||||
|
||||
<refpurpose>Create, acquire and release a udev context object</refpurpose>
|
||||
</refnamediv>
|
||||
|
||||
<refsynopsisdiv>
|
||||
<funcsynopsis>
|
||||
<funcsynopsisinfo>#include <libudev.h></funcsynopsisinfo>
|
||||
|
||||
<funcprototype>
|
||||
<funcdef>struct udev *<function>udev_new</function></funcdef>
|
||||
<paramdef><parameter>void</parameter></paramdef>
|
||||
</funcprototype>
|
||||
|
||||
<funcprototype>
|
||||
<funcdef>struct udev *<function>udev_ref</function></funcdef>
|
||||
<paramdef>struct udev *<parameter>udev</parameter></paramdef>
|
||||
</funcprototype>
|
||||
|
||||
<funcprototype>
|
||||
<funcdef>struct udev *<function>udev_unref</function></funcdef>
|
||||
<paramdef>struct udev *<parameter>udev</parameter></paramdef>
|
||||
</funcprototype>
|
||||
|
||||
</funcsynopsis>
|
||||
</refsynopsisdiv>
|
||||
|
||||
<refsect1>
|
||||
<title>Description</title>
|
||||
|
||||
<para><function>udev_new()</function> allocates a new udev context
|
||||
object and returns a pointer to it. This object is opaque and must
|
||||
not be accessed by the caller via different means than functions
|
||||
provided by libudev. Initially, the reference count of the context
|
||||
is 1. You can acquire further references, and drop gained references
|
||||
via <function>udev_ref()</function> and
|
||||
<function>udev_unref()</function>. Once the reference count hits 0,
|
||||
the context object is destroyed and freed.</para>
|
||||
</refsect1>
|
||||
|
||||
<refsect1>
|
||||
<title>Return Value</title>
|
||||
|
||||
<para>On success, <function>udev_new()</function> returns a pointer
|
||||
to the allocated udev context. On failure, <constant>NULL</constant>
|
||||
is returned. <function>udev_ref()</function> returns the argument
|
||||
that it was passed, unmodified. <function>udev_unref()</function>
|
||||
always returns <constant>NULL</constant>.</para>
|
||||
</refsect1>
|
||||
|
||||
<refsect1>
|
||||
<title>See Also</title>
|
||||
|
||||
<para>
|
||||
<citerefentry><refentrytitle>systemd</refentrytitle><manvolnum>1</manvolnum></citerefentry>,
|
||||
</para>
|
||||
</refsect1>
|
||||
|
||||
</refentry>
|
||||
Loading…
Reference in New Issue