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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-10 20:49:52 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-10 20:49:52 +0000
commit55944e5e40b1be2afc4855d8d2baf4b73d1876b5 (patch)
tree33f869f55a1b149e9b7c2b7e201867ca5dd52992 /man/inotify-watch-tmp.c
parentInitial commit. (diff)
downloadsystemd-55944e5e40b1be2afc4855d8d2baf4b73d1876b5.tar.xz
systemd-55944e5e40b1be2afc4855d8d2baf4b73d1876b5.zip
Adding upstream version 255.4.upstream/255.4
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'man/inotify-watch-tmp.c')
-rw-r--r--man/inotify-watch-tmp.c58
1 files changed, 58 insertions, 0 deletions
diff --git a/man/inotify-watch-tmp.c b/man/inotify-watch-tmp.c
new file mode 100644
index 0000000..07ee8f6
--- /dev/null
+++ b/man/inotify-watch-tmp.c
@@ -0,0 +1,58 @@
+/* SPDX-License-Identifier: MIT-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;
+}