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| author | davidxu <davidxu@FreeBSD.org> | 2012-08-17 02:26:31 +0000 |
|---|---|---|
| committer | davidxu <davidxu@FreeBSD.org> | 2012-08-17 02:26:31 +0000 |
| commit | 3f0806aa1fc8c8dc2f294421d558472faec7fd3f (patch) | |
| tree | 0a8a4e31773d219b58db16ff36859c4d3d4eb6cc /lib/libthr | |
| parent | 71de2d67ba40838ccc3b3d8320d1513b40220ec4 (diff) | |
| download | FreeBSD-src-3f0806aa1fc8c8dc2f294421d558472faec7fd3f.zip FreeBSD-src-3f0806aa1fc8c8dc2f294421d558472faec7fd3f.tar.gz | |
Implement syscall clock_getcpuclockid2, so we can get a clock id
for process, thread or others we want to support.
Use the syscall to implement POSIX API clock_getcpuclock and
pthread_getcpuclockid.
PR: 168417
Diffstat (limited to 'lib/libthr')
| -rw-r--r-- | lib/libthr/thread/thr_getcpuclockid.c | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/lib/libthr/thread/thr_getcpuclockid.c b/lib/libthr/thread/thr_getcpuclockid.c index 68f88d5..b4ec666 100644 --- a/lib/libthr/thread/thr_getcpuclockid.c +++ b/lib/libthr/thread/thr_getcpuclockid.c @@ -39,9 +39,11 @@ __weak_reference(_pthread_getcpuclockid, pthread_getcpuclockid); int _pthread_getcpuclockid(pthread_t pthread, clockid_t *clock_id) { + if (pthread == NULL) return (EINVAL); - *clock_id = CLOCK_THREAD_CPUTIME_ID; + if (clock_getcpuclockid2(TID(pthread), CPUCLOCK_WHICH_TID, clock_id)) + return (errno); return (0); } |
