diff options
| author | Masami Hiramatsu <masami.hiramatsu.pt@hitachi.com> | 2014-08-14 02:22:36 (GMT) |
|---|---|---|
| committer | Arnaldo Carvalho de Melo <acme@redhat.com> | 2014-08-15 13:58:35 (GMT) |
| commit | 6e81c74cbf4b64620170da14844f1dc8a9a5950f (patch) | |
| tree | ce4d4d23f34959965a4cae5e48355de1b40f4063 /tools/perf/util/dso.c | |
| parent | 5f03cba41590b5e7db5b66d2b2aa3e146ff8a84f (diff) | |
| download | linux-6e81c74cbf4b64620170da14844f1dc8a9a5950f.tar.xz | |
perf util: Replace strerror with strerror_r for thread-safety
Replaces all strerror with strerror_r in util for making the perf lib
thread-safe.
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/20140814022236.3545.3367.stgit@kbuild-fedora.novalocal
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Diffstat (limited to 'tools/perf/util/dso.c')
| -rw-r--r-- | tools/perf/util/dso.c | 8 |
1 files changed, 6 insertions, 2 deletions
diff --git a/tools/perf/util/dso.c b/tools/perf/util/dso.c index bdafd30..55e39dc 100644 --- a/tools/perf/util/dso.c +++ b/tools/perf/util/dso.c @@ -162,13 +162,15 @@ static void close_first_dso(void); static int do_open(char *name) { int fd; + char sbuf[STRERR_BUFSIZE]; do { fd = open(name, O_RDONLY); if (fd >= 0) return fd; - pr_debug("dso open failed, mmap: %s\n", strerror(errno)); + pr_debug("dso open failed, mmap: %s\n", + strerror_r(errno, sbuf, sizeof(sbuf))); if (!dso__data_open_cnt || errno != EMFILE) break; @@ -530,10 +532,12 @@ static ssize_t cached_read(struct dso *dso, u64 offset, u8 *data, ssize_t size) static int data_file_size(struct dso *dso) { struct stat st; + char sbuf[STRERR_BUFSIZE]; if (!dso->data.file_size) { if (fstat(dso->data.fd, &st)) { - pr_err("dso mmap failed, fstat: %s\n", strerror(errno)); + pr_err("dso mmap failed, fstat: %s\n", + strerror_r(errno, sbuf, sizeof(sbuf))); return -1; } dso->data.file_size = st.st_size; |