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author | Rich Felker <dalias@aerifal.cx> | 2014-08-22 23:49:54 -0400 |
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committer | Rich Felker <dalias@aerifal.cx> | 2014-08-22 23:49:54 -0400 |
commit | b8ca9eb5301580dcf101753451eee196edceefbd (patch) | |
tree | 9602bfb40fbb328360bd024d2e416824cea63337 /src/thread/pthread_cond_timedwait.c | |
parent | a6293285e930dbdb0eff47e29b513ca22537b1a2 (diff) | |
download | musl-b8ca9eb5301580dcf101753451eee196edceefbd.tar.gz musl-b8ca9eb5301580dcf101753451eee196edceefbd.tar.xz musl-b8ca9eb5301580dcf101753451eee196edceefbd.zip |
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_cond_timedwait.c')
-rw-r--r-- | src/thread/pthread_cond_timedwait.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/src/thread/pthread_cond_timedwait.c b/src/thread/pthread_cond_timedwait.c index c5cf66c3..2d192b07 100644 --- a/src/thread/pthread_cond_timedwait.c +++ b/src/thread/pthread_cond_timedwait.c @@ -52,7 +52,7 @@ static inline void unlock_requeue(volatile int *l, volatile int *r, int w) { a_store(l, 0); if (w) __wake(l, 1, 1); - else __syscall(SYS_futex, l, FUTEX_REQUEUE|128, 0, 1, r) != -EINVAL + else __syscall(SYS_futex, l, FUTEX_REQUEUE|128, 0, 1, r) != -ENOSYS || __syscall(SYS_futex, l, FUTEX_REQUEUE, 0, 1, r); } |