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| author | Rich Felker <dalias@aerifal.cx> | 2014-08-22 23:49:54 -0400 |
|---|---|---|
| committer | Rich Felker <dalias@aerifal.cx> | 2014-08-22 23:49:54 -0400 |
| commit | b8ca9eb5301580dcf101753451eee196edceefbd (patch) | |
| tree | 9602bfb40fbb328360bd024d2e416824cea63337 /src/thread/pthread_barrier_wait.c | |
| parent | a6293285e930dbdb0eff47e29b513ca22537b1a2 (diff) | |
| download | musl-b8ca9eb5301580dcf101753451eee196edceefbd.tar.gz | |
fix fallback checks for kernels without private futex support
for unknown syscall commands, the kernel produces ENOSYS, not EINVAL.
Diffstat (limited to 'src/thread/pthread_barrier_wait.c')
| -rw-r--r-- | src/thread/pthread_barrier_wait.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/src/thread/pthread_barrier_wait.c b/src/thread/pthread_barrier_wait.c index 6b329c95..4a964fe3 100644 --- a/src/thread/pthread_barrier_wait.c +++ b/src/thread/pthread_barrier_wait.c @@ -87,7 +87,7 @@ int pthread_barrier_wait(pthread_barrier_t *b) a_spin(); a_inc(&inst->finished); while (inst->finished == 1) - __syscall(SYS_futex,&inst->finished,FUTEX_WAIT|128,1,0) != -EINTR + __syscall(SYS_futex,&inst->finished,FUTEX_WAIT|128,1,0) != -ENOSYS || __syscall(SYS_futex,&inst->finished,FUTEX_WAIT,1,0); return PTHREAD_BARRIER_SERIAL_THREAD; } |