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author | Arnaldo Carvalho de Melo <acme@redhat.com> | 2011-01-03 16:50:55 -0200 |
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committer | Arnaldo Carvalho de Melo <acme@redhat.com> | 2011-01-03 16:50:55 -0200 |
commit | 1e7972cc5c16e06f258b0278d8c9adfb5aa75c68 (patch) | |
tree | b73bbe4083bba9e345474fd17082d8a179f93157 /tools/perf/util/util.c | |
parent | daec78a09de3df5fbfbbd167da0304d49d7fcfe5 (diff) | |
download | op-kernel-dev-1e7972cc5c16e06f258b0278d8c9adfb5aa75c68.zip op-kernel-dev-1e7972cc5c16e06f258b0278d8c9adfb5aa75c68.tar.gz |
perf util: Move do_read from session to util
Not really something to be exported from session.c. Rename it to
'readn' as others did in the past.
Cc: Frederic Weisbecker <fweisbec@gmail.com>
Cc: Ingo Molnar <mingo@elte.hu>
Cc: Mike Galbraith <efault@gmx.de>
Cc: Paul Mackerras <paulus@samba.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Stephane Eranian <eranian@google.com>
Cc: Tom Zanussi <tzanussi@gmail.com>
LKML-Reference: <new-submission>
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Diffstat (limited to 'tools/perf/util/util.c')
-rw-r--r-- | tools/perf/util/util.c | 17 |
1 files changed, 17 insertions, 0 deletions
diff --git a/tools/perf/util/util.c b/tools/perf/util/util.c index 2142656..5b3ea49 100644 --- a/tools/perf/util/util.c +++ b/tools/perf/util/util.c @@ -114,3 +114,20 @@ unsigned long convert_unit(unsigned long value, char *unit) return value; } + +int readn(int fd, void *buf, size_t n) +{ + void *buf_start = buf; + + while (n) { + int ret = read(fd, buf, n); + + if (ret <= 0) + return ret; + + n -= ret; + buf += ret; + } + + return buf - buf_start; +} |