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sd-netlink: add functions which manage sd_netlink_slot object

This commit is contained in:
Yu Watanabe 2018-10-15 17:15:14 +09:00
parent ee38400bba
commit 1a7baaa9e2
2 changed files with 75 additions and 0 deletions
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67
src/libsystemd/sd-netlink/netlink-slot.c
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@ -107,3 +107,70 @@ static sd_netlink_slot* netlink_slot_free(sd_netlink_slot *slot) {
}
DEFINE_PUBLIC_TRIVIAL_REF_UNREF_FUNC(sd_netlink_slot, sd_netlink_slot, netlink_slot_free);
sd_netlink *sd_netlink_slot_get_netlink(sd_netlink_slot *slot) {
assert_return(slot, NULL);
return slot->netlink;
}
void *sd_netlink_slot_get_userdata(sd_netlink_slot *slot) {
assert_return(slot, NULL);
return slot->userdata;
}
void *sd_netlink_slot_set_userdata(sd_netlink_slot *slot, void *userdata) {
void *ret;
assert_return(slot, NULL);
ret = slot->userdata;
slot->userdata = userdata;
return ret;
}
int sd_netlink_slot_get_destroy_callback(sd_netlink_slot *slot, sd_netlink_destroy_t *callback) {
assert_return(slot, -EINVAL);
if (callback)
*callback = slot->destroy_callback;
return !!slot->destroy_callback;
}
int sd_netlink_slot_set_destroy_callback(sd_netlink_slot *slot, sd_netlink_destroy_t callback) {
assert_return(slot, -EINVAL);
slot->destroy_callback = callback;
return 0;
}
int sd_netlink_slot_get_floating(sd_netlink_slot *slot) {
assert_return(slot, -EINVAL);
return slot->floating;
}
int sd_netlink_slot_set_floating(sd_netlink_slot *slot, int b) {
assert_return(slot, -EINVAL);
if (slot->floating == !!b)
return 0;
if (!slot->netlink) /* Already disconnected */
return -ESTALE;
slot->floating = b;
if (b) {
sd_netlink_slot_ref(slot);
sd_netlink_unref(slot->netlink);
} else {
sd_netlink_ref(slot->netlink);
sd_netlink_slot_unref(slot);
}
return 1;
}

8
src/systemd/sd-netlink.h
View File

@ -186,6 +186,14 @@ int sd_genl_message_new(sd_netlink *nl, sd_genl_family family, uint8_t cmd, sd_n
sd_netlink_slot *sd_netlink_slot_ref(sd_netlink_slot *nl);
sd_netlink_slot *sd_netlink_slot_unref(sd_netlink_slot *nl);
sd_netlink *sd_netlink_slot_get_netlink(sd_netlink_slot *slot);
void *sd_netlink_slot_get_userdata(sd_netlink_slot *slot);
void *sd_netlink_slot_set_userdata(sd_netlink_slot *slot, void *userdata);
int sd_netlink_slot_get_destroy_callback(sd_netlink_slot *slot, sd_netlink_destroy_t *callback);
int sd_netlink_slot_set_destroy_callback(sd_netlink_slot *slot, sd_netlink_destroy_t callback);
int sd_netlink_slot_get_floating(sd_netlink_slot *slot);
int sd_netlink_slot_set_floating(sd_netlink_slot *slot, int b);
_SD_DEFINE_POINTER_CLEANUP_FUNC(sd_netlink, sd_netlink_unref);
_SD_DEFINE_POINTER_CLEANUP_FUNC(sd_netlink_message, sd_netlink_message_unref);
_SD_DEFINE_POINTER_CLEANUP_FUNC(sd_netlink_slot, sd_netlink_slot_unref);