diff options
Diffstat (limited to 'src/backend/storage/ipc/s_lock.c')
| -rw-r--r-- | src/backend/storage/ipc/s_lock.c | 84 |
1 files changed, 42 insertions, 42 deletions
diff --git a/src/backend/storage/ipc/s_lock.c b/src/backend/storage/ipc/s_lock.c index 3f75c5bc79b..82551f8b96d 100644 --- a/src/backend/storage/ipc/s_lock.c +++ b/src/backend/storage/ipc/s_lock.c @@ -7,7 +7,7 @@ * * * IDENTIFICATION - * $Header: /cvsroot/pgsql/src/backend/storage/ipc/Attic/s_lock.c,v 1.23 1997/09/08 02:28:51 momjian Exp $ + * $Header: /cvsroot/pgsql/src/backend/storage/ipc/Attic/s_lock.c,v 1.24 1997/09/08 21:47:04 momjian Exp $ * *------------------------------------------------------------------------- */ @@ -50,24 +50,24 @@ * slock_t is defined as a struct mutex. */ void -S_LOCK(slock_t * lock) +S_LOCK(slock_t *lock) { mutex_lock(lock); } void -S_UNLOCK(slock_t * lock) +S_UNLOCK(slock_t *lock) { mutex_unlock(lock); } void -S_INIT_LOCK(slock_t * lock) +S_INIT_LOCK(slock_t *lock) { mutex_init(lock); } /* S_LOCK_FREE should return 1 if lock is free; 0 if lock is locked */ int -S_LOCK_FREE(slock_t * lock) +S_LOCK_FREE(slock_t *lock) { /* For Mach, we have to delve inside the entrails of `struct mutex'. Ick! */ return (lock->lock == 0); @@ -88,7 +88,7 @@ S_LOCK_FREE(slock_t * lock) * for the R3000 chips out there. */ void -S_LOCK(slock_t * lock) +S_LOCK(slock_t *lock) { /* spin_lock(lock); */ while (!acquire_lock(lock)) @@ -96,20 +96,20 @@ S_LOCK(slock_t * lock) } void -S_UNLOCK(slock_t * lock) +S_UNLOCK(slock_t *lock) { release_lock(lock); } void -S_INIT_LOCK(slock_t * lock) +S_INIT_LOCK(slock_t *lock) { init_lock(lock); } /* S_LOCK_FREE should return 1 if lock is free; 0 if lock is locked */ int -S_LOCK_FREE(slock_t * lock) +S_LOCK_FREE(slock_t *lock) { return (stat_lock(lock) == UNLOCKED); } @@ -127,26 +127,26 @@ S_LOCK_FREE(slock_t * lock) #if defined(__alpha__) || defined(__alpha) void -S_LOCK(slock_t * lock) +S_LOCK(slock_t *lock) { while (msem_lock(lock, MSEM_IF_NOWAIT) < 0) ; } void -S_UNLOCK(slock_t * lock) +S_UNLOCK(slock_t *lock) { msem_unlock(lock, 0); } void -S_INIT_LOCK(slock_t * lock) +S_INIT_LOCK(slock_t *lock) { msem_init(lock, MSEM_UNLOCKED); } int -S_LOCK_FREE(slock_t * lock) +S_LOCK_FREE(slock_t *lock) { return (lock->msem_state ? 0 : 1); } @@ -161,23 +161,23 @@ S_LOCK_FREE(slock_t * lock) defined(sparc_solaris) /* for xxxxx_solaris, this is defined in port/.../tas.s */ -static int tas(slock_t * lock); +static int tas(slock_t *lock); void -S_LOCK(slock_t * lock) +S_LOCK(slock_t *lock) { while (tas(lock)) ; } void -S_UNLOCK(slock_t * lock) +S_UNLOCK(slock_t *lock) { *lock = 0; } void -S_INIT_LOCK(slock_t * lock) +S_INIT_LOCK(slock_t *lock) { S_UNLOCK(lock); } @@ -194,20 +194,20 @@ S_INIT_LOCK(slock_t * lock) #if defined(aix) void -S_LOCK(slock_t * lock) +S_LOCK(slock_t *lock) { while (cs((int *) lock, 0, 1)) ; } void -S_UNLOCK(slock_t * lock) +S_UNLOCK(slock_t *lock) { *lock = 0; } void -S_INIT_LOCK(slock_t * lock) +S_INIT_LOCK(slock_t *lock) { S_UNLOCK(lock); } @@ -229,29 +229,29 @@ S_INIT_LOCK(slock_t * lock) */ static slock_t clear_lock = {-1, -1, -1, -1}; -static int tas(slock_t * lock); +static int tas(slock_t *lock); void -S_LOCK(slock_t * lock) +S_LOCK(slock_t *lock) { while (tas(lock)) ; } void -S_UNLOCK(slock_t * lock) +S_UNLOCK(slock_t *lock) { *lock = clear_lock; /* struct assignment */ } void -S_INIT_LOCK(slock_t * lock) +S_INIT_LOCK(slock_t *lock) { S_UNLOCK(lock); } int -S_LOCK_FREE(slock_t * lock) +S_LOCK_FREE(slock_t *lock) { register int *lock_word = (int *) (((long) lock + 15) & ~15); @@ -266,22 +266,22 @@ S_LOCK_FREE(slock_t * lock) #if defined(sun3) -static int tas(slock_t * lock); +static int tas(slock_t *lock); void -S_LOCK(slock_t * lock) +S_LOCK(slock_t *lock) { while (tas(lock)); } void -S_UNLOCK(slock_t * lock) +S_UNLOCK(slock_t *lock) { *lock = 0; } void -S_INIT_LOCK(slock_t * lock) +S_INIT_LOCK(slock_t *lock) { S_UNLOCK(lock); } @@ -320,7 +320,7 @@ tas_dummy() #define asm(x) __asm__(x) #endif -static int tas(slock_t * lock); +static int tas(slock_t *lock); static int tas_dummy() @@ -386,7 +386,7 @@ S_INIT_LOCK(unsigned char *addr) #if defined(NEED_I386_TAS_ASM) void -S_LOCK(slock_t * lock) +S_LOCK(slock_t *lock) { slock_t res; @@ -397,13 +397,13 @@ __asm__("xchgb %0,%1": "=q"(res), "=m"(*lock):"0"(0x1)); } void -S_UNLOCK(slock_t * lock) +S_UNLOCK(slock_t *lock) { *lock = 0; } void -S_INIT_LOCK(slock_t * lock) +S_INIT_LOCK(slock_t *lock) { S_UNLOCK(lock); } @@ -414,7 +414,7 @@ S_INIT_LOCK(slock_t * lock) #if defined(__alpha__) && defined(linux) void -S_LOCK(slock_t * lock) +S_LOCK(slock_t *lock) { slock_t res; @@ -437,14 +437,14 @@ __asm__(" ldq $0, %0 \n\ } void -S_UNLOCK(slock_t * lock) +S_UNLOCK(slock_t *lock) { __asm__("mb"); *lock = 0; } void -S_INIT_LOCK(slock_t * lock) +S_INIT_LOCK(slock_t *lock) { S_UNLOCK(lock); } @@ -454,7 +454,7 @@ S_INIT_LOCK(slock_t * lock) #if defined(linux) && defined(sparc) void -S_LOCK(slock_t * lock) +S_LOCK(slock_t *lock) { slock_t res; @@ -467,13 +467,13 @@ S_LOCK(slock_t * lock) } void -S_UNLOCK(slock_t * lock) +S_UNLOCK(slock_t *lock) { *lock = 0; } void -S_INIT_LOCK(slock_t * lock) +S_INIT_LOCK(slock_t *lock) { S_UNLOCK(lock); } @@ -502,20 +502,20 @@ success: \n\ } void -S_LOCK(slock_t * lock) +S_LOCK(slock_t *lock) { while (tas(lock)) ; } void -S_UNLOCK(slock_t * lock) +S_UNLOCK(slock_t *lock) { *lock = 0; } void -S_INIT_LOCK(slock_t * lock) +S_INIT_LOCK(slock_t *lock) { S_UNLOCK(lock); } |