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udev: make set_usec_initialized() internal to libudev

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Instead introduce ensure_usec_initialized(), which copies the timestamp if possible otherwise
sets it to now(CLOCK_MONOTONIC).

Signed-off-by: Anthony G. Basile <blueness@gentoo.org>
This commit is contained in:
Tom Gundersen 2015-03-13 18:43:00 +01:00 committed by Anthony G. Basile
parent 35ef251e16
commit 89fe48ab02
4 changed files with 21 additions and 16 deletions
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26
src/libudev/libudev-device.c
View File

@ -445,6 +445,23 @@ static int udev_device_set_syspath(struct udev_device *udev_device, const char *
return 0;
}
static void udev_device_set_usec_initialized(struct udev_device *udev_device, usec_t usec_initialized)
{
char num[DECIMAL_STR_MAX(usec_t)];
udev_device->usec_initialized = usec_initialized;
snprintf(num, sizeof(num), USEC_FMT, usec_initialized);
udev_device_add_property_internal(udev_device, "USEC_INITIALIZED", num);
}
void udev_device_ensure_usec_initialized(struct udev_device *udev_device, struct udev_device *old_device)
{
if (old_device && old_device->usec_initialized != 0)
udev_device_set_usec_initialized(udev_device, old_device->usec_initialized);
else
udev_device_set_usec_initialized(udev_device, now(CLOCK_MONOTONIC));
}
/*
* parse property string, and if needed, update internal values accordingly
*
@ -1418,15 +1435,6 @@ usec_t udev_device_get_usec_initialized(struct udev_device *udev_device)
return udev_device->usec_initialized;
}
void udev_device_set_usec_initialized(struct udev_device *udev_device, usec_t usec_initialized)
{
char num[32];
udev_device->usec_initialized = usec_initialized;
snprintf(num, sizeof(num), USEC_FMT, usec_initialized);
udev_device_add_property_internal(udev_device, "USEC_INITIALIZED", num);
}
/**
* udev_device_get_sysattr_value:
* @udev_device: udev device

2
src/libudev/libudev-private.h
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@ -60,7 +60,7 @@ int udev_device_add_tag(struct udev_device *udev_device, const char *tag);
void udev_device_remove_tag(struct udev_device *udev_device, const char *tag);
void udev_device_cleanup_tags_list(struct udev_device *udev_device);
usec_t udev_device_get_usec_initialized(struct udev_device *udev_device);
void udev_device_set_usec_initialized(struct udev_device *udev_device, usec_t usec_initialized);
void udev_device_ensure_usec_initialized(struct udev_device *udev_device, struct udev_device *old_device);
int udev_device_get_devlink_priority(struct udev_device *udev_device);
int udev_device_set_devlink_priority(struct udev_device *udev_device, int prio);
int udev_device_get_watch_handle(struct udev_device *udev_device);

5
src/udev/udev-event.c
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@ -891,10 +891,7 @@ void udev_event_execute_rules(struct udev_event *event,
}
/* preserve old, or get new initialization timestamp */
if (event->dev_db != NULL && udev_device_get_usec_initialized(event->dev_db) > 0)
udev_device_set_usec_initialized(event->dev, udev_device_get_usec_initialized(event->dev_db));
else if (udev_device_get_usec_initialized(event->dev) == 0)
udev_device_set_usec_initialized(event->dev, now(CLOCK_MONOTONIC));
udev_device_ensure_usec_initialized(event->dev, event->dev_db);
/* (re)write database file */
udev_device_update_db(dev);

4
src/udev/udevd.c
View File

@ -1423,8 +1423,8 @@ int main(int argc, char *argv[]) {
struct udev_device *dev;
dev = udev_monitor_receive_device(monitor);
if (dev != NULL) {
udev_device_set_usec_initialized(dev, now(CLOCK_MONOTONIC));
if (dev) {
udev_device_ensure_usec_initialized(dev, NULL);
if (event_queue_insert(dev) < 0)
udev_device_unref(dev);
}