diff options
| author | Ulrich Drepper <drepper@redhat.com> | 2005-09-08 17:41:56 +0000 |
|---|---|---|
| committer | Ulrich Drepper <drepper@redhat.com> | 2005-09-08 17:41:56 +0000 |
| commit | a3615024b9b204a124429a73d82827b189faaada (patch) | |
| tree | 25d30717a99ee9950d0c6207ffc599fe4ad3eb49 /nptl/sysdeps/pthread | |
| parent | b9b8cf036684d69a1bac70cb604ad7dd4c31b8c4 (diff) | |
* sysdeps/unix/sysv/linux/powerpc/lowlevellock.h (FUTEX_WAKE_OP,
FUTEX_OP_CLEAR_WAKE_IF_GT_ONE): Define.
(lll_futex_wake_unlock): Define.
* sysdeps/unix/sysv/linux/alpha/lowlevellock.h (FUTEX_WAKE_OP,
FUTEX_OP_CLEAR_WAKE_IF_GT_ONE): Define.
(lll_futex_wake_unlock): Define.
* sysdeps/unix/sysv/linux/ia64/lowlevellock.h (FUTEX_WAKE_OP,
FUTEX_OP_CLEAR_WAKE_IF_GT_ONE): Define.
(lll_futex_wake_unlock): Define.
* sysdeps/unix/sysv/linux/s390/lowlevellock.h (FUTEX_WAKE_OP,
FUTEX_OP_CLEAR_WAKE_IF_GT_ONE): Define.
(lll_futex_wake_unlock): Define.
* sysdeps/unix/sysv/linux/sparc/lowlevellock.h (FUTEX_WAKE_OP,
FUTEX_OP_CLEAR_WAKE_IF_GT_ONE): Define.
(lll_futex_wake_unlock): Define.
* sysdeps/pthread/pthread_cond_signal.c (__pthread_cond_signal): Use
lll_futex_wake_unlock.
* sysdeps/unix/sysv/linux/i386/i486/pthread_cond_signal.S
(FUTEX_WAKE_OP, FUTEX_OP_CLEAR_WAKE_IF_GT_ONE): Define.
(__pthread_cond_signal): Use FUTEX_WAKE_OP.
* sysdeps/unix/sysv/linux/x86_64/pthread_cond_signal.S
(FUTEX_WAKE_OP, FUTEX_OP_CLEAR_WAKE_IF_GT_ONE): Define.
(__pthread_cond_signal): Use FUTEX_WAKE_OP.
Diffstat (limited to 'nptl/sysdeps/pthread')
| -rw-r--r-- | nptl/sysdeps/pthread/pthread_cond_signal.c | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/nptl/sysdeps/pthread/pthread_cond_signal.c b/nptl/sysdeps/pthread/pthread_cond_signal.c index f5623480f8..5a9bbcad91 100644 --- a/nptl/sysdeps/pthread/pthread_cond_signal.c +++ b/nptl/sysdeps/pthread/pthread_cond_signal.c @@ -43,6 +43,11 @@ __pthread_cond_signal (cond) ++cond->__data.__futex; /* Wake one. */ + if (! __builtin_expect (lll_futex_wake_unlock (&cond->__data.__futex, 1, + 1, &cond->__data.__lock), + 0)) + return 0; + lll_futex_wake (&cond->__data.__futex, 1); } |