diff options
Diffstat (limited to 'nptl/sysdeps/unix/sysv/linux/sparc/sparc32/sem_trywait.c')
| -rw-r--r-- | nptl/sysdeps/unix/sysv/linux/sparc/sparc32/sem_trywait.c | 16 |
1 files changed, 8 insertions, 8 deletions
diff --git a/nptl/sysdeps/unix/sysv/linux/sparc/sparc32/sem_trywait.c b/nptl/sysdeps/unix/sysv/linux/sparc/sparc32/sem_trywait.c index 429494e257..4db89727a7 100644 --- a/nptl/sysdeps/unix/sysv/linux/sparc/sparc32/sem_trywait.c +++ b/nptl/sysdeps/unix/sysv/linux/sparc/sparc32/sem_trywait.c @@ -1,5 +1,5 @@ /* sem_trywait -- wait on a semaphore. SPARC version. - Copyright (C) 2003, 2006 Free Software Foundation, Inc. + Copyright (C) 2003, 2006, 2007 Free Software Foundation, Inc. This file is part of the GNU C Library. Contributed by Paul Mackerras <paulus@au.ibm.com>, 2003. @@ -30,20 +30,20 @@ int __new_sem_trywait (sem_t *sem) { - int *futex = (int *) sem; + struct sparc_old_sem *isem = (struct sparc_old_sem *) sem; int val; - if (*futex > 0) + if (isem->value > 0) { if (__atomic_is_v9) - val = atomic_decrement_if_positive (futex); + val = atomic_decrement_if_positive (&isem->value); else { - __sparc32_atomic_do_lock24 (futex + 1); - val = *futex; + __sparc32_atomic_do_lock24 (&isem->lock); + val = isem->value; if (val > 0) - *futex = val - 1; - __sparc32_atomic_do_unlock24 (futex + 1); + isem->value = val - 1; + __sparc32_atomic_do_unlock24 (&isem->lock); } if (val > 0) return 0; |