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authorNamhyung Kim <namhyung.kim@lge.com>2012-05-07 09:09:02 +0400
committerArnaldo Carvalho de Melo <acme@redhat.com>2012-05-08 00:30:21 +0400
commit16ad2ffb822cd28e2330284a60fdfec8bb90bbb0 (patch)
tree4455824202a98540493d75dc5333f77cb42b59ba /tools/perf/util/target.h
parentdfe78adaaca90417ece98edbd3eb1c9661334406 (diff)
downloadlinux-16ad2ffb822cd28e2330284a60fdfec8bb90bbb0.tar.xz
perf tools: Introduce perf_target__strerror()
The perf_target__strerror() sets @buf to a string that describes the (perf_target-specific) error condition that is passed via @errnum. This is similar to strerror_r() and does same thing if @errnum has a standard errno value. Signed-off-by: Namhyung Kim <namhyung.kim@lge.com> Suggested-by: Arnaldo Carvalho de Melo <acme@ghostprotocols.net> Reviewed-by: David Ahern <dsahern@gmail.com> Cc: David Ahern <dsahern@gmail.com> Cc: Ingo Molnar <mingo@redhat.com> Cc: Namhyung Kim <namhyung@gmail.com> Cc: Paul Mackerras <paulus@samba.org> Cc: Peter Zijlstra <a.p.zijlstra@chello.nl> Link: http://lkml.kernel.org/r/1336367344-28071-6-git-send-email-namhyung.kim@lge.com [ committer note: No need to use PERF_ERRNO_TARGET__SUCCESS, use shorter idiom ] Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Diffstat (limited to 'tools/perf/util/target.h')
-rw-r--r--tools/perf/util/target.h3
1 files changed, 3 insertions, 0 deletions
diff --git a/tools/perf/util/target.h b/tools/perf/util/target.h
index d4aabdaba42a..6fcd01c440a9 100644
--- a/tools/perf/util/target.h
+++ b/tools/perf/util/target.h
@@ -43,4 +43,7 @@ enum perf_target_errno {
enum perf_target_errno perf_target__validate(struct perf_target *target);
enum perf_target_errno perf_target__parse_uid(struct perf_target *target);
+int perf_target__strerror(struct perf_target *target, int errnum, char *buf,
+ size_t buflen);
+
#endif /* _PERF_TARGET_H */