diff options
Diffstat (limited to 'sys/i386/include/param.h')
| -rw-r--r-- | sys/i386/include/param.h | 10 |
1 files changed, 5 insertions, 5 deletions
diff --git a/sys/i386/include/param.h b/sys/i386/include/param.h index a5892c0..bb3a700 100644 --- a/sys/i386/include/param.h +++ b/sys/i386/include/param.h @@ -34,7 +34,7 @@ * SUCH DAMAGE. * * from: @(#)param.h 5.8 (Berkeley) 6/28/91 - * $Id: param.h,v 1.4 1997/07/24 03:06:19 smp Exp smp $ + * $Id: param.h,v 1.30 1997/07/24 23:48:51 fsmp Exp $ */ #ifndef _MACHINE_PARAM_H_ @@ -140,7 +140,7 @@ * of these locks while a process is sleeping. */ struct simplelock { - int lock_data __attribute__ ((aligned (4))); + volatile int lock_data; }; #if !defined(SIMPLELOCK_DEBUG) && NCPUS > 1 @@ -163,7 +163,7 @@ simple_lock_init(struct simplelock *lkp) } static __inline void -simple_lock(__volatile struct simplelock *lkp) +simple_lock(struct simplelock *lkp) { while (test_and_set(&lkp->lock_data)) @@ -171,14 +171,14 @@ simple_lock(__volatile struct simplelock *lkp) } static __inline int -simple_lock_try(__volatile struct simplelock *lkp) +simple_lock_try(struct simplelock *lkp) { return (!test_and_set(&lkp->lock_data)); } static __inline void -simple_unlock(__volatile struct simplelock *lkp) +simple_unlock(struct simplelock *lkp) { lkp->lock_data = 0; |
