53e1b68390
This follows what the kernel is doing, c.f. https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=5fd54ace4721fc5ce2bb5aef6318fcf17f421460.
52 lines
1.5 KiB
C
52 lines
1.5 KiB
C
/* SPDX-License-Identifier: LGPL-2.1+ */
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#pragma once
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/***
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This file is part of systemd.
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Copyright 2010 Lennart Poettering
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systemd is free software; you can redistribute it and/or modify it
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under the terms of the GNU Lesser General Public License as published by
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the Free Software Foundation; either version 2.1 of the License, or
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(at your option) any later version.
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systemd is distributed in the hope that it will be useful, but
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WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public License
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along with systemd; If not, see <http://www.gnu.org/licenses/>.
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***/
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typedef struct Device Device;
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typedef enum DeviceFound {
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DEVICE_NOT_FOUND = 0,
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DEVICE_FOUND_UDEV = 1,
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DEVICE_FOUND_MOUNT = 2,
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DEVICE_FOUND_SWAP = 4,
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} DeviceFound;
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struct Device {
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Unit meta;
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char *sysfs;
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DeviceFound found;
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/* In order to be able to distinguish dependencies on
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different device nodes we might end up creating multiple
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devices for the same sysfs path. We chain them up here. */
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LIST_FIELDS(struct Device, same_sysfs);
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DeviceState state, deserialized_state;
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bool bind_mounts;
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};
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extern const UnitVTable device_vtable;
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int device_found_node(Manager *m, const char *node, bool add, DeviceFound found, bool now);
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bool device_shall_be_bound_by(Unit *device, Unit *u);
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