mirror of
https://github.com/systemd/systemd.git
synced 2024-12-29 15:22:07 +03:00
f4d74c6105
Documentation is licensed under LGPL-2.1-or-later. Scripts are MIT to facilitate reuse. Examples are relicensed to CC0-1.0 to maximise copy-and-paste for users, with permission from authors.
59 lines
1.8 KiB
C
59 lines
1.8 KiB
C
/* SPDX-License-Identifier: CC0-1.0 */
|
|
|
|
#include <stdio.h>
|
|
#include <string.h>
|
|
#include <sys/inotify.h>
|
|
|
|
#include <systemd/sd-event.h>
|
|
|
|
#define _cleanup_(f) __attribute__((cleanup(f)))
|
|
|
|
static int inotify_handler(sd_event_source *source,
|
|
const struct inotify_event *event,
|
|
void *userdata) {
|
|
|
|
const char *desc = NULL;
|
|
|
|
sd_event_source_get_description(source, &desc);
|
|
|
|
if (event->mask & IN_Q_OVERFLOW)
|
|
printf("inotify-handler <%s>: overflow\n", desc);
|
|
else if (event->mask & IN_CREATE)
|
|
printf("inotify-handler <%s>: create on %s\n", desc, event->name);
|
|
else if (event->mask & IN_DELETE)
|
|
printf("inotify-handler <%s>: delete on %s\n", desc, event->name);
|
|
else if (event->mask & IN_MOVED_TO)
|
|
printf("inotify-handler <%s>: moved-to on %s\n", desc, event->name);
|
|
|
|
/* Terminate the program if an "exit" file appears */
|
|
if ((event->mask & (IN_CREATE|IN_MOVED_TO)) &&
|
|
strcmp(event->name, "exit") == 0)
|
|
sd_event_exit(sd_event_source_get_event(source), 0);
|
|
|
|
return 1;
|
|
}
|
|
|
|
int main(int argc, char **argv) {
|
|
_cleanup_(sd_event_unrefp) sd_event *event = NULL;
|
|
_cleanup_(sd_event_source_unrefp) sd_event_source *source1 = NULL, *source2 = NULL;
|
|
|
|
const char *path1 = argc > 1 ? argv[1] : "/tmp";
|
|
const char *path2 = argc > 2 ? argv[2] : NULL;
|
|
|
|
/* Note: failure handling is omitted for brevity */
|
|
|
|
sd_event_default(&event);
|
|
|
|
sd_event_add_inotify(event, &source1, path1,
|
|
IN_CREATE | IN_DELETE | IN_MODIFY | IN_MOVED_TO,
|
|
inotify_handler, NULL);
|
|
if (path2)
|
|
sd_event_add_inotify(event, &source2, path2,
|
|
IN_CREATE | IN_DELETE | IN_MODIFY | IN_MOVED_TO,
|
|
inotify_handler, NULL);
|
|
|
|
sd_event_loop(event);
|
|
|
|
return 0;
|
|
}
|