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Message-ID: <20140814022241.3545.97543.stgit@kbuild-fedora.novalocal> Date: Thu, 14 Aug 2014 02:22:41 +0000 From: Masami Hiramatsu <masami.hiramatsu.pt@...achi.com> To: Arnaldo Carvalho de Melo <acme@...nel.org> Cc: Naohiro Aota <naota@...sp.net>, Peter Zijlstra <a.p.zijlstra@...llo.nl>, LKML <linux-kernel@...r.kernel.org>, Ingo Molnar <mingo@...hat.com>, Paul Mackerras <paulus@...ba.org>, Namhyung Kim <namhyung@...nel.org> Subject: [PATCH 06/13] perf trace: Use strerror_r instead of strerror Use strerror_r instead of strerror in error message for thead-safety. Signed-off-by: Masami Hiramatsu <masami.hiramatsu.pt@...achi.com> --- tools/perf/builtin-trace.c | 6 ++++-- 1 file changed, 4 insertions(+), 2 deletions(-) diff --git a/tools/perf/builtin-trace.c b/tools/perf/builtin-trace.c index d080b9c..a9e96ff 100644 --- a/tools/perf/builtin-trace.c +++ b/tools/perf/builtin-trace.c @@ -1750,7 +1750,7 @@ static int trace__sys_exit(struct trace *trace, struct perf_evsel *evsel, signed_print: fprintf(trace->output, ") = %d", ret); } else if (ret < 0 && sc->fmt->errmsg) { - char bf[256]; + char bf[STRERR_BUFSIZE]; const char *emsg = strerror_r(-ret, bf, sizeof(bf)), *e = audit_errno_to_name(-ret); @@ -2044,6 +2044,7 @@ static int trace__run(struct trace *trace, int argc, const char **argv) int err = -1, i; unsigned long before; const bool forks = argc > 0; + char sbuf[STRERR_BUFSIZE]; trace->live = true; @@ -2105,7 +2106,8 @@ static int trace__run(struct trace *trace, int argc, const char **argv) err = perf_evlist__mmap(evlist, trace->opts.mmap_pages, false); if (err < 0) { - fprintf(trace->output, "Couldn't mmap the events: %s\n", strerror(errno)); + fprintf(trace->output, "Couldn't mmap the events: %s\n", + strerror_r(errno, sbuf, sizeof(sbuf))); goto out_delete_evlist; } -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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