diff options
| author | Ulrich Drepper <drepper@redhat.com> | 2004-06-03 16:04:11 +0000 |
|---|---|---|
| committer | Ulrich Drepper <drepper@redhat.com> | 2004-06-03 16:04:11 +0000 |
| commit | 75fcceded2cfc65e4879521fff4db6a620a96363 (patch) | |
| tree | 6d0763c5a2e4b59ece4d57a87232d435d15a5f7f /nptl/sysdeps/unix/sysv/linux/alpha/lowlevellock.h | |
| parent | 322861e8b62dbca030a66f9ab37e6688b223c65f (diff) | |
Update.
2004-06-03 Ulrich Drepper <drepper@redhat.com>
* sysdeps/i386/i486/bits/atomic.h: Optimize a bit.
Diffstat (limited to 'nptl/sysdeps/unix/sysv/linux/alpha/lowlevellock.h')
| -rw-r--r-- | nptl/sysdeps/unix/sysv/linux/alpha/lowlevellock.h | 12 |
1 files changed, 7 insertions, 5 deletions
diff --git a/nptl/sysdeps/unix/sysv/linux/alpha/lowlevellock.h b/nptl/sysdeps/unix/sysv/linux/alpha/lowlevellock.h index a7079a8490..fd4a7ca4bb 100644 --- a/nptl/sysdeps/unix/sysv/linux/alpha/lowlevellock.h +++ b/nptl/sysdeps/unix/sysv/linux/alpha/lowlevellock.h @@ -30,6 +30,7 @@ #define FUTEX_WAIT 0 #define FUTEX_WAKE 1 #define FUTEX_REQUEUE 3 +#define FUTEX_CMP_REQUEUE 4 /* Initializer for compatibility lock. */ #define LLL_MUTEX_LOCK_INITIALIZER (0) @@ -61,14 +62,15 @@ INTERNAL_SYSCALL_ERROR_P (__ret, __err)? -__ret : __ret; \ }) -#define lll_futex_requeue(futexp, nr_wake, nr_move, mutex) \ +/* Returns non-zero if error happened, zero if success. */ +#define lll_futex_requeue(futexp, nr_wake, nr_move, mutex, val) \ ({ \ INTERNAL_SYSCALL_DECL (__err); \ long int __ret; \ - __ret = INTERNAL_SYSCALL (futex, __err, 5, \ - (futexp), FUTEX_REQUEUE, (nr_wake), (nr_move), \ - (mutex)); \ - INTERNAL_SYSCALL_ERROR_P (__ret, __err)? -__ret : __ret; \ + __ret = INTERNAL_SYSCALL (futex, __err, 6, \ + (futexp), FUTEX_CMP_REQUEUE, (nr_wake), \ + (nr_move), (mutex), (val)); \ + INTERNAL_SYSCALL_ERROR_P (__ret, __err); \ }) |