perf test: Use strerror_r instead of strerror
Use strerror_r instead of strerror in error messages for thread-safety.
Signed-off-by: Masami Hiramatsu <masami.hiramatsu.pt@hitachi.com>
Cc: Ingo Molnar <mingo@redhat.com>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Naohiro Aota <naota@elisp.net>
Cc: Paul Mackerras <paulus@samba.org>
Cc: Peter Zijlstra <a.p.zijlstra@chello.nl>
Link: http://lkml.kernel.org/r/20140814022245.3545.91394.stgit@kbuild-fedora.novalocal
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
diff --git a/tools/perf/tests/task-exit.c b/tools/perf/tests/task-exit.c
index 5ff3db3..87522f0 100644
--- a/tools/perf/tests/task-exit.c
+++ b/tools/perf/tests/task-exit.c
@@ -42,6 +42,7 @@
.uses_mmap = true,
};
const char *argv[] = { "true", NULL };
+ char sbuf[STRERR_BUFSIZE];
signal(SIGCHLD, sig_handler);
@@ -82,13 +83,14 @@
err = perf_evlist__open(evlist);
if (err < 0) {
- pr_debug("Couldn't open the evlist: %s\n", strerror(-err));
+ pr_debug("Couldn't open the evlist: %s\n",
+ strerror_r(-err, sbuf, sizeof(sbuf)));
goto out_delete_evlist;
}
if (perf_evlist__mmap(evlist, 128, true) < 0) {
pr_debug("failed to mmap events: %d (%s)\n", errno,
- strerror(errno));
+ strerror_r(errno, sbuf, sizeof(sbuf)));
goto out_delete_evlist;
}