diff options
Diffstat (limited to 'nptl/sysdeps/unix/sysv/linux/sparc/sparc32/sem_post.c')
| -rw-r--r-- | nptl/sysdeps/unix/sysv/linux/sparc/sparc32/sem_post.c | 13 |
1 files changed, 8 insertions, 5 deletions
diff --git a/nptl/sysdeps/unix/sysv/linux/sparc/sparc32/sem_post.c b/nptl/sysdeps/unix/sysv/linux/sparc/sparc32/sem_post.c index be1cc60b11..ba77aa90bd 100644 --- a/nptl/sysdeps/unix/sysv/linux/sparc/sparc32/sem_post.c +++ b/nptl/sysdeps/unix/sysv/linux/sparc/sparc32/sem_post.c @@ -1,5 +1,5 @@ /* sem_post -- post to a POSIX semaphore. SPARC version. - Copyright (C) 2003, 2004, 2006 Free Software Foundation, Inc. + Copyright (C) 2003, 2004, 2006, 2007 Free Software Foundation, Inc. This file is part of the GNU C Library. Contributed by Jakub Jelinek <jakub@redhat.com>, 2003. @@ -39,11 +39,14 @@ __new_sem_post (sem_t *sem) nr = ++*futex; __sparc32_atomic_do_unlock24 (futex + 1); } - int err = lll_futex_wake (futex, nr); - if (__builtin_expect (err, 0) < 0) + if (nr == 1) { - __set_errno (-err); - return -1; + int err = lll_futex_wake (futex, 1); + if (__builtin_expect (err, 0) < 0) + { + __set_errno (-err); + return -1; + } } return 0; } |