perf: Use strerror_r instead of strerror
authorMasami Hiramatsu <masami.hiramatsu.pt@hitachi.com>
Thu, 14 Aug 2014 02:22:32 +0000 (02:22 +0000)
committerArnaldo Carvalho de Melo <acme@redhat.com>
Fri, 15 Aug 2014 13:54:29 +0000 (10:54 -0300)
commitb2348e1d8a67c58de44820587fabc4f987eafbb6
tree2c6504e6cc99fa53b8f8daeabd38dd79e33eb5da
parent6eb08660962a91212902869672dab5199827cbfd
perf: Use strerror_r instead of strerror

Use strerror_r instead of strerror in error messages for thread-safety.
This also introduce STRERR_BUFSIZE macro for the default size of message
buffer for strerror_r.

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/20140814022232.3545.14026.stgit@kbuild-fedora.novalocal
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
tools/perf/perf.c
tools/perf/util/debug.h