summaryrefslogtreecommitdiff
path: root/nptl/sysdeps/unix/sysv/linux/sem_post.c
diff options
context:
space:
mode:
authorUlrich Drepper <drepper@redhat.com>2007-05-15 06:49:29 +0000
committerUlrich Drepper <drepper@redhat.com>2007-05-15 06:49:29 +0000
commit2c1d61722625a1ee57ab284aad42acb7ec5662ca (patch)
tree0ea088eded588d3d43cb348687d7422598ab9382 /nptl/sysdeps/unix/sysv/linux/sem_post.c
parent83d87915da34fc02d170ff8c356406040da2823f (diff)
* version.h (VERSION): Define to 6.glibc-2.6cvs/glibc-2_6-basecvs/glibc-2_6
* include/features.h (__GLIBC_MINOR__): Likewise.
Diffstat (limited to 'nptl/sysdeps/unix/sysv/linux/sem_post.c')
-rw-r--r--nptl/sysdeps/unix/sysv/linux/sem_post.c14
1 files changed, 6 insertions, 8 deletions
diff --git a/nptl/sysdeps/unix/sysv/linux/sem_post.c b/nptl/sysdeps/unix/sysv/linux/sem_post.c
index 641ce661a1..671b43f7f7 100644
--- a/nptl/sysdeps/unix/sysv/linux/sem_post.c
+++ b/nptl/sysdeps/unix/sysv/linux/sem_post.c
@@ -1,5 +1,5 @@
/* sem_post -- post to a POSIX semaphore. Generic futex-using version.
- Copyright (C) 2003, 2004, 2007 Free Software Foundation, Inc.
+ Copyright (C) 2003, 2004 Free Software Foundation, Inc.
This file is part of the GNU C Library.
Contributed by Jakub Jelinek <jakub@redhat.com>, 2003.
@@ -31,14 +31,12 @@ __new_sem_post (sem_t *sem)
{
int *futex = (int *) sem;
- if (atomic_increment_val (futex) == 1)
+ int nr = atomic_increment_val (futex);
+ int err = lll_futex_wake (futex, nr);
+ if (__builtin_expect (err, 0) < 0)
{
- int err = lll_futex_wake (futex, 1);
- if (__builtin_expect (err, 0) < 0)
- {
- __set_errno (-err);
- return -1;
- }
+ __set_errno (-err);
+ return -1;
}
return 0;
}