diff options
Diffstat (limited to 'nptl/sysdeps/unix')
| -rw-r--r-- | nptl/sysdeps/unix/sysv/linux/powerpc/sem_post.c | 7 | ||||
| -rw-r--r-- | nptl/sysdeps/unix/sysv/linux/sem_post.c | 7 |
2 files changed, 6 insertions, 8 deletions
diff --git a/nptl/sysdeps/unix/sysv/linux/powerpc/sem_post.c b/nptl/sysdeps/unix/sysv/linux/powerpc/sem_post.c index d9ee5d50b7..91b9955181 100644 --- a/nptl/sysdeps/unix/sysv/linux/powerpc/sem_post.c +++ b/nptl/sysdeps/unix/sysv/linux/powerpc/sem_post.c @@ -1,5 +1,5 @@ /* sem_post -- post to a POSIX semaphore. Powerpc version. - Copyright (C) 2003 Free Software Foundation, Inc. + Copyright (C) 2003, 2004 Free Software Foundation, Inc. This file is part of the GNU C Library. Contributed by Paul Mackerras <paulus@au.ibm.com>, 2003. @@ -30,11 +30,10 @@ int __new_sem_post (sem_t *sem) { int *futex = (int *) sem; - int err, nr; __asm __volatile (__lll_rel_instr ::: "memory"); - nr = atomic_exchange_and_add (futex, 1); - err = lll_futex_wake (futex, nr + 1); + int nr = atomic_increment_val (futex); + int err = lll_futex_wake (futex, nr); if (__builtin_expect (err, 0) < 0) { __set_errno (-err); diff --git a/nptl/sysdeps/unix/sysv/linux/sem_post.c b/nptl/sysdeps/unix/sysv/linux/sem_post.c index b4ee4cfc8a..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 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. @@ -30,10 +30,9 @@ int __new_sem_post (sem_t *sem) { int *futex = (int *) sem; - int err, nr; - nr = atomic_exchange_and_add (futex, 1); - err = lll_futex_wake (futex, nr + 1); + int nr = atomic_increment_val (futex); + int err = lll_futex_wake (futex, nr); if (__builtin_expect (err, 0) < 0) { __set_errno (-err); |