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S_LOCK_FREE fix.

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This commit is contained in:
Bruce Momjian 1997-09-25 01:48:58 +00:00
parent ebb3008dbd
commit be5241420a
1 changed files with 5 additions and 19 deletions
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24
src/include/storage/s_lock.h
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@ -7,7 +7,7 @@
*
*
* IDENTIFICATION
* $Header: /cvsroot/pgsql/src/include/storage/s_lock.h,v 1.6 1997/09/24 23:37:26 momjian Exp $
* $Header: /cvsroot/pgsql/src/include/storage/s_lock.h,v 1.7 1997/09/25 01:48:58 momjian Exp $
*
*-------------------------------------------------------------------------
*/
@ -55,8 +55,6 @@
#define S_INIT_LOCK(lock) mutex_init(lock)
#define S_LOCK_FREE(lock) ((*lock) == 0)
/* S_LOCK_FREE should return 1 if lock is free; 0 if lock is locked */
/* For Mach, we have to delve inside the entrails of `struct mutex'. Ick! */
#define S_LOCK_FREE(alock) ((alock)->lock == 0)
@ -135,8 +133,6 @@ static int tas(slock_t *lock);
#define S_INIT_LOCK(lock) S_UNLOCK(lock)
#define S_LOCK_FREE(lock) ((*lock) == 0)
#endif /* i86pc_solaris || sparc_solaris */
/*
@ -158,8 +154,6 @@ static int tas(slock_t *lock);
#define S_INIT_LOCK(lock) S_UNLOCK(lock)
#define S_LOCK_FREE(lock) ((*lock) == 0)
#endif /* aix */
/*
@ -211,8 +205,6 @@ static int tas(slock_t *lock);
#define S_INIT_LOCK(lock) S_UNLOCK(lock)
#define S_LOCK_FREE(lock) ((*lock) == 0)
static int
tas_dummy()
{
@ -295,8 +287,6 @@ tas_dummy()
#define S_INIT_LOCK(addr) (*(addr) = 0)
#define S_LOCK_FREE(lock) ((*lock) == 0)
#endif /* NEED_SPARC_TAS_ASM */
/*
@ -318,8 +308,6 @@ tas_dummy()
#define S_INIT_LOCK(lock) S_UNLOCK(lock)
#define S_LOCK_FREE(lock) ((*lock) == 0)
#endif /* NEED_I386_TAS_ASM */
@ -351,8 +339,6 @@ tas_dummy()
#define S_INIT_LOCK(lock) S_UNLOCK(lock)
#define S_LOCK_FREE(lock) ((*lock) == 0)
#endif /* defined(__alpha__) && defined(linux) */
#if defined(linux) && defined(sparc)
@ -372,8 +358,6 @@ tas_dummy()
#define S_INIT_LOCK(lock) S_UNLOCK(lock)
#define S_LOCK_FREE(lock) ((*lock) == 0)
#endif /* defined(linux) && defined(sparc) */
#if defined(linux) && defined(PPC)
@ -407,10 +391,12 @@ success: \n\
#define S_INIT_LOCK(lock) S_UNLOCK(lock)
#define S_LOCK_FREE(lock) ((*lock) == 0)
#endif /* defined(linux) && defined(PPC) */
#ifndef S_LOCK_FREE /* for those who have not already defined it */
#define S_LOCK_FREE(lock) ((*lock) == 0)
#endif
#endif /* HAS_TEST_AND_SET */
#endif /* S_LOCK_H */