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| author | Namhyung Kim <namhyung.kim@lge.com> | 2012-05-07 07:09:02 +0200 |
|---|---|---|
| committer | Arnaldo Carvalho de Melo <acme@redhat.com> | 2012-05-07 22:30:21 +0200 |
| commit | 16ad2ffb822cd28e2330284a60fdfec8bb90bbb0 (patch) | |
| tree | 4455824202a98540493d75dc5333f77cb42b59ba /tools/perf/util/target.h | |
| parent | perf target: Introduce perf_target__parse_uid() (diff) | |
| download | linux-16ad2ffb822cd28e2330284a60fdfec8bb90bbb0.tar.xz linux-16ad2ffb822cd28e2330284a60fdfec8bb90bbb0.zip | |
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.h | 3 |
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 */ |