Allows an app to linger until the wait file is created and signals that
the app is just before the exit.
This is mostly useful for per-pid tracing where trace buffers are
cleaned on application teardown.
Signed-off-by: Jonathan Rajotte <jonathan.rajotte-julien@efficios.com>
Change-Id: I37db4c118ebc759ce97c5de8901cad7b39ac1e01
Signed-off-by: Jérémie Galarneau <jeremie.galarneau@efficios.com>
{"wait", required_argument, 0, 'w'},
{"sync-after-first-event", required_argument, 0, 'a'},
{"sync-before-last-event", required_argument, 0, 'b'},
{"wait", required_argument, 0, 'w'},
{"sync-after-first-event", required_argument, 0, 'a'},
{"sync-before-last-event", required_argument, 0, 'b'},
+ {"sync-before-last-event-touch", required_argument, 0, 'c'},
+ {"sync-before-exit", required_argument, 0, 'd'},
+ {"sync-before-exit-touch", required_argument, 0, 'e'},
useconds_t nr_usec = 0;
char *after_first_event_file_path = NULL;
char *before_last_event_file_path = NULL;
useconds_t nr_usec = 0;
char *after_first_event_file_path = NULL;
char *before_last_event_file_path = NULL;
+ /*
+ * Touch a file to indicate that all events except one were
+ * generated.
+ */
+ char *before_last_event_file_path_touch = NULL;
+ /* Touch file when we are exiting */
+ char *before_exit_file_path_touch = NULL;
+ /* Wait on file before exiting */
+ char *before_exit_file_path = NULL;
while ((option = getopt_long(argc, argv, "i:w:a:b:c:d:",
long_options, &option_index)) != -1) {
while ((option = getopt_long(argc, argv, "i:w:a:b:c:d:",
long_options, &option_index)) != -1) {
case 'b':
before_last_event_file_path = strdup(optarg);
break;
case 'b':
before_last_event_file_path = strdup(optarg);
break;
+ case 'c':
+ before_last_event_file_path_touch = strdup(optarg);
+ break;
+ case 'd':
+ before_exit_file_path = strdup(optarg);
+ break;
+ case 'e':
+ before_exit_file_path_touch = strdup(optarg);
+ break;
case 'i':
nr_iter = atoi(optarg);
break;
case 'i':
nr_iter = atoi(optarg);
break;
for (i = 0; nr_iter < 0 || i < nr_iter; i++) {
if (nr_iter >= 0 && i == nr_iter - 1) {
for (i = 0; nr_iter < 0 || i < nr_iter; i++) {
if (nr_iter >= 0 && i == nr_iter - 1) {
+ if (before_last_event_file_path_touch) {
+ ret = create_file(before_last_event_file_path_touch);
+ if (ret != 0) {
+ goto end;
+ }
+ }
+
/*
* Wait on synchronization before writing last
* event.
/*
* Wait on synchronization before writing last
* event.
+ if (before_exit_file_path_touch) {
+ ret = create_file(before_exit_file_path_touch);
+ if (ret != 0) {
+ goto end;
+ }
+ }
+ if (before_exit_file_path) {
+ ret = wait_on_file(before_exit_file_path);
+ if (ret != 0) {
+ goto end;
+ }
+ }
end:
free(after_first_event_file_path);
free(before_last_event_file_path);
end:
free(after_first_event_file_path);
free(before_last_event_file_path);
+ free(before_last_event_file_path_touch);
+ free(before_exit_file_path);
+ free(before_exit_file_path_touch);
exit(!ret ? EXIT_SUCCESS : EXIT_FAILURE);
}
exit(!ret ? EXIT_SUCCESS : EXIT_FAILURE);
}