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| author | Jens Gustedt <Jens.Gustedt@inria.fr> | 2017-06-24 10:18:05 +0200 |
|---|---|---|
| committer | Rich Felker <dalias@aerifal.cx> | 2017-07-04 17:12:52 -0400 |
| commit | d906fa3118c888227d858b6d642a09e055eca2b4 (patch) | |
| tree | 9448107ecf485b113c32ac676a482c2c8891d08e | |
| parent | 60ab365cae24063b0f21821860ca16fb63e81f81 (diff) | |
| download | musl-d906fa3118c888227d858b6d642a09e055eca2b4.tar.gz musl-d906fa3118c888227d858b6d642a09e055eca2b4.tar.xz musl-d906fa3118c888227d858b6d642a09e055eca2b4.zip | |
unify the use of FUTEX_PRIVATE
The flag 1<<7 is used in several places for different purposes that are not always easy to distinguish. Mark those usages that correspond to the flag that is used by the kernel for futexes.
| -rw-r--r-- | src/internal/pthread_impl.h | 2 | ||||
| -rw-r--r-- | src/thread/__timedwait.c | 2 | ||||
| -rw-r--r-- | src/thread/pthread_barrier_wait.c | 2 | ||||
| -rw-r--r-- | src/thread/pthread_cond_timedwait.c | 2 |
4 files changed, 4 insertions, 4 deletions
diff --git a/src/internal/pthread_impl.h b/src/internal/pthread_impl.h index ae0ab1c5..56e19348 100644 --- a/src/internal/pthread_impl.h +++ b/src/internal/pthread_impl.h @@ -131,7 +131,7 @@ int __timedwait_cp(volatile int *, int, clockid_t, const struct timespec *, int) void __wait(volatile int *, volatile int *, int, int); static inline void __wake(volatile void *addr, int cnt, int priv) { - if (priv) priv = 128; + if (priv) priv = FUTEX_PRIVATE; if (cnt<0) cnt = INT_MAX; __syscall(SYS_futex, addr, FUTEX_WAKE|priv, cnt) != -ENOSYS || __syscall(SYS_futex, addr, FUTEX_WAKE, cnt); diff --git a/src/thread/__timedwait.c b/src/thread/__timedwait.c index 13d8465a..d2079c88 100644 --- a/src/thread/__timedwait.c +++ b/src/thread/__timedwait.c @@ -14,7 +14,7 @@ int __timedwait_cp(volatile int *addr, int val, int r; struct timespec to, *top=0; - if (priv) priv = 128; + if (priv) priv = FUTEX_PRIVATE; if (at) { if (at->tv_nsec >= 1000000000UL) return EINVAL; diff --git a/src/thread/pthread_barrier_wait.c b/src/thread/pthread_barrier_wait.c index 06b83db9..cc2a8bbf 100644 --- a/src/thread/pthread_barrier_wait.c +++ b/src/thread/pthread_barrier_wait.c @@ -84,7 +84,7 @@ 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) != -ENOSYS + __syscall(SYS_futex,&inst->finished,FUTEX_WAIT|FUTEX_PRIVATE,1,0) != -ENOSYS || __syscall(SYS_futex,&inst->finished,FUTEX_WAIT,1,0); return PTHREAD_BARRIER_SERIAL_THREAD; } diff --git a/src/thread/pthread_cond_timedwait.c b/src/thread/pthread_cond_timedwait.c index 3526ecfb..ed8569c2 100644 --- a/src/thread/pthread_cond_timedwait.c +++ b/src/thread/pthread_cond_timedwait.c @@ -54,7 +54,7 @@ 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) != -ENOSYS + else __syscall(SYS_futex, l, FUTEX_REQUEUE|FUTEX_PRIVATE, 0, 1, r) != -ENOSYS || __syscall(SYS_futex, l, FUTEX_REQUEUE, 0, 1, r); } |