diff options
Diffstat (limited to 'src/backend/storage/ipc/s_lock.c')
| -rw-r--r-- | src/backend/storage/ipc/s_lock.c | 28 |
1 files changed, 14 insertions, 14 deletions
diff --git a/src/backend/storage/ipc/s_lock.c b/src/backend/storage/ipc/s_lock.c index 85477cce618..146c2d7080a 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 1.20 1997/08/24 23:07:28 momjian Exp $ + * $Header: /cvsroot/pgsql/src/backend/storage/ipc/Attic/s_lock.c,v 1.21 1997/09/05 18:10:54 momjian Exp $ * *------------------------------------------------------------------------- */ @@ -481,19 +481,19 @@ S_INIT_LOCK(slock_t *lock) static int tas_dummy() { - __asm__(" -tas: /* r3 points to the location of p */ - lwarx 5,0,3 /* r5 = *p */ - cmpwi 5,0 /* r5 == 0 ? */ - bne fail /* if not 0, jump to fail */ - addi 5,5,1 /* set 1 to r5 */ - stwcx. 5,0,3 /* try update p atomically */ - beq success /* jump if scceed */ -fail: li 3,1 /* set 1 to r3 */ - blr -success: - li 3,0 /* set 0 to r3 */ - blr + __asm__(" \n\ +tas: \n\ + lwarx 5,0,3 \n\ + cmpwi 5,0 \n\ + bne fail \n\ + addi 5,5,1 \n\ + stwcx. 5,0,3 \n\ + beq success \n\ +fail: li 3,1 \n\ + blr \n\ +success: \n\ + li 3,0 \n\ + blr \n\ "); } |