static int exited;
static int nr_exit;
-static void sig_handler(int sig)
+static void sig_handler(int sig __maybe_unused)
{
exited = 1;
+}
- if (sig == SIGUSR1)
- nr_exit = -1;
+/*
+ * perf_evlist__prepare_workload will send a SIGUSR1 if the fork fails, since
+ * we asked by setting its exec_error to this handler.
+ */
+static void workload_exec_failed_signal(int signo __maybe_unused,
+ siginfo_t *info __maybe_unused,
+ void *ucontext __maybe_unused)
+{
+ exited = 1;
+ nr_exit = -1;
}
/*
union perf_event *event;
struct perf_evsel *evsel;
struct perf_evlist *evlist;
- struct perf_target target = {
+ struct target target = {
.uid = UINT_MAX,
.uses_mmap = true,
};
const char *argv[] = { "true", NULL };
signal(SIGCHLD, sig_handler);
- signal(SIGUSR1, sig_handler);
evlist = perf_evlist__new_default();
if (evlist == NULL) {
if (!evlist->cpus || !evlist->threads) {
err = -ENOMEM;
pr_debug("Not enough memory to create thread/cpu maps\n");
- goto out_delete_maps;
+ goto out_delete_evlist;
}
- err = perf_evlist__prepare_workload(evlist, &target, argv, false, true);
+ err = perf_evlist__prepare_workload(evlist, &target, argv, false,
+ workload_exec_failed_signal);
if (err < 0) {
pr_debug("Couldn't run the workload!\n");
- goto out_delete_maps;
+ goto out_delete_evlist;
}
evsel = perf_evlist__first(evlist);
err = perf_evlist__open(evlist);
if (err < 0) {
pr_debug("Couldn't open the evlist: %s\n", strerror(-err));
- goto out_delete_maps;
+ goto out_delete_evlist;
}
if (perf_evlist__mmap(evlist, 128, true) < 0) {
perf_evlist__munmap(evlist);
out_close_evlist:
perf_evlist__close(evlist);
-out_delete_maps:
- perf_evlist__delete_maps(evlist);
+out_delete_evlist:
perf_evlist__delete(evlist);
return err;
}