diff options
Diffstat (limited to 'man')
| -rw-r--r-- | man/inotify-watch-tmp.c | 56 | ||||
| -rw-r--r-- | man/sd_event_add_inotify.xml | 10 |
2 files changed, 66 insertions, 0 deletions
diff --git a/man/inotify-watch-tmp.c b/man/inotify-watch-tmp.c new file mode 100644 index 0000000000..ca790f0a99 --- /dev/null +++ b/man/inotify-watch-tmp.c @@ -0,0 +1,56 @@ +#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; +} diff --git a/man/sd_event_add_inotify.xml b/man/sd_event_add_inotify.xml index af3b6bcfdf..605863c356 100644 --- a/man/sd_event_add_inotify.xml +++ b/man/sd_event_add_inotify.xml @@ -155,6 +155,16 @@ </variablelist> </refsect1> + <refsect1> + <title>Examples</title> + + <example> + <title>A simple program that uses inotify to monitor one or two directories</title> + + <programlisting><xi:include href="inotify-watch-tmp.c" parse="text" /></programlisting> + </example> + </refsect1> + <xi:include href="libsystemd-pkgconfig.xml" /> <refsect1> |