diff options
Diffstat (limited to 'nptl/sysdeps/pthread/pthread_cond_broadcast.c')
| -rw-r--r-- | nptl/sysdeps/pthread/pthread_cond_broadcast.c | 7 |
1 files changed, 5 insertions, 2 deletions
diff --git a/nptl/sysdeps/pthread/pthread_cond_broadcast.c b/nptl/sysdeps/pthread/pthread_cond_broadcast.c index 6c3722a9cd..44c3fe6d5f 100644 --- a/nptl/sysdeps/pthread/pthread_cond_broadcast.c +++ b/nptl/sysdeps/pthread/pthread_cond_broadcast.c @@ -54,6 +54,10 @@ __pthread_cond_broadcast (cond) # error "No valid byte order" #endif + /* Do not use requeue for pshared condvars. */ + if (cond->__data.__mutex == (void *) ~0l) + goto wake_all; + /* Wake everybody. */ pthread_mutex_t *mut = (pthread_mutex_t *) cond->__data.__mutex; if (__builtin_expect (lll_futex_requeue (futex, 1, INT_MAX, @@ -61,9 +65,8 @@ __pthread_cond_broadcast (cond) 0)) { /* The requeue functionality is not available. */ -#ifndef __ASSUME_FUTEX_REQUEUE + wake_all: lll_futex_wake (futex, INT_MAX); -#endif } /* That's all. */ |