mirrors/postgres
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

Move common lock code to their own section.

Browse Source
This commit is contained in:
Bruce Momjian 1998-07-18 14:58:58 +00:00
parent a93f397423
commit 550f209797
1 changed files with 52 additions and 50 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

102
src/include/storage/s_lock.h
View File

@ -7,7 +7,7 @@
*
*
* IDENTIFICATION
* $Header: /cvsroot/pgsql/src/include/storage/s_lock.h,v 1.38 1998/07/18 14:51:10 momjian Exp $
* $Header: /cvsroot/pgsql/src/include/storage/s_lock.h,v 1.39 1998/07/18 14:58:58 momjian Exp $
*
*-------------------------------------------------------------------------
*/
@ -170,39 +170,6 @@ tas(volatile slock_t *lock)
* All non gcc
*/
#if defined (nextstep)
/*
* NEXTSTEP (mach)
* slock_t is defined as a struct mutex.
*/
#define S_LOCK(lock) mutex_lock(lock)
#define S_UNLOCK(lock) mutex_unlock(lock)
#define S_INIT_LOCK(lock) mutex_init(lock)
/* For Mach, we have to delve inside the entrails of `struct mutex'. Ick! */
#define S_LOCK_FREE(alock) ((alock)->lock == 0)
#endif /* nextstep */
#if defined(__sgi)
/*
* SGI IRIX 5
* slock_t is defined as a struct abilock_t, which has a single unsigned long
* member.
*
* This stuff may be supplemented in the future with Masato Kataoka's MIPS-II
* assembly from his NECEWS SVR4 port, but we probably ought to retain this
* for the R3000 chips out there.
*/
#define TAS(lock) (!acquire_lock(lock))
#define S_UNLOCK(lock) release_lock(lock)
#define S_INIT_LOCK(lock) init_lock(lock)
#define S_LOCK_FREE(lock) (stat_lock(lock) == UNLOCKED)
#endif /* __sgi */
#if defined(__alpha)
/*
* OSF/1 (Alpha AXP)
@ -218,23 +185,9 @@ tas(volatile slock_t *lock)
#if defined(_AIX)
/*
* AIX (POWER)
*
* Note that slock_t on POWER/POWER2/PowerPC is int instead of char
* (see storage/ipc.h).
*/
#define TAS(lock) cs((int *) (lock), 0, 1)
#endif /* _AIX */
#if defined(NEED_I386_TAS_ASM)
/* non gcc i386 based things */
#if defined(USE_UNIVEL_CC)
#define TAS(lock) tas(lock)
@ -253,11 +206,16 @@ tas(slock_t *s_lock)
}
#endif /* USE_UNIVEL_CC */
#endif /* NEED_I386_TAS_ASM */
#endif /* else defined(__GNUC__) */
#endif /* defined(__GNUC__) */
/*************************************************************************
* These are the platforms that have common code for gcc and non-gcc
*/
#if defined(__hpux)
/*
@ -277,6 +235,50 @@ static const slock_t clear_lock =
#endif /* __hpux */
#if defined(__sgi)
/*
* SGI IRIX 5
* slock_t is defined as a struct abilock_t, which has a single unsigned long
* member.
*
* This stuff may be supplemented in the future with Masato Kataoka's MIPS-II
* assembly from his NECEWS SVR4 port, but we probably ought to retain this
* for the R3000 chips out there.
*/
#define TAS(lock) (!acquire_lock(lock))
#define S_UNLOCK(lock) release_lock(lock)
#define S_INIT_LOCK(lock) init_lock(lock)
#define S_LOCK_FREE(lock) (stat_lock(lock) == UNLOCKED)
#endif /* __sgi */
#if defined(_AIX)
/*
* AIX (POWER)
*
* Note that slock_t on POWER/POWER2/PowerPC is int instead of char
* (see storage/ipc.h).
*/
#define TAS(lock) cs((int *) (lock), 0, 1)
#endif /* _AIX */
#if defined (nextstep)
/*
* NEXTSTEP (mach)
* slock_t is defined as a struct mutex.
*/
#define S_LOCK(lock) mutex_lock(lock)
#define S_UNLOCK(lock) mutex_unlock(lock)
#define S_INIT_LOCK(lock) mutex_init(lock)
/* For Mach, we have to delve inside the entrails of `struct mutex'. Ick! */
#define S_LOCK_FREE(alock) ((alock)->lock == 0)
#endif /* nextstep */
/****************************************************************************
* Default Definitions - override these above as needed.
*/