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| author | Len Brown <len.brown@intel.com> | 2011-01-12 18:06:06 -0500 |
|---|---|---|
| committer | Len Brown <len.brown@intel.com> | 2011-01-12 18:06:06 -0500 |
| commit | 56dbed129df3fdd4caf9018b6e7599ee258a5420 (patch) | |
| tree | b902491aef3a99efe0d9d49edd0f6e414dba654f /tools/perf/util/util.c | |
| parent | 2a2d31c8dc6f1ebcf5eab1d93a0cb0fb4ed57c7c (diff) | |
| parent | f878133bf022717b880d0e0995b8f91436fd605c (diff) | |
| download | linux-56dbed129df3fdd4caf9018b6e7599ee258a5420.tar.gz linux-56dbed129df3fdd4caf9018b6e7599ee258a5420.tar.bz2 linux-56dbed129df3fdd4caf9018b6e7599ee258a5420.zip | |
Merge branch 'linus' into idle-test
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 214265674ddd..5b3ea49aa63e 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; +} |