diff options
Diffstat (limited to 'src/backend/storage/buffer/s_lock.c')
| -rw-r--r-- | src/backend/storage/buffer/s_lock.c | 29 |
1 files changed, 16 insertions, 13 deletions
diff --git a/src/backend/storage/buffer/s_lock.c b/src/backend/storage/buffer/s_lock.c index 493139ed5dc..1a194eb4a41 100644 --- a/src/backend/storage/buffer/s_lock.c +++ b/src/backend/storage/buffer/s_lock.c @@ -7,15 +7,15 @@ * * * IDENTIFICATION - * $Header: /cvsroot/pgsql/src/backend/storage/buffer/Attic/s_lock.c,v 1.2 1998/01/07 17:02:52 scrappy Exp $ + * $Header: /cvsroot/pgsql/src/backend/storage/buffer/Attic/s_lock.c,v 1.3 1998/02/26 04:35:28 momjian Exp $ * *------------------------------------------------------------------------- */ /* * S_LOCK() -- Implements the S_LOCK function for the Linux/Alpha platform. - * This function is usually an inlined macro for all other platforms, - * but must be a seperate function for the Linux/Alpha platform, due - * to the assembly code involved. + * This function is usually an inlined macro for all other platforms, + * but must be a seperate function for the Linux/Alpha platform, due + * to the assembly code involved. */ @@ -38,14 +38,16 @@ #include "storage/s_lock.h" #if defined(__alpha__) && defined(linux) -void S_LOCK(slock_t* lock) +void +S_LOCK(slock_t *lock) { - do - { - slock_t _res; - do - { - __asm__(" ldq $0, %0 \n\ + do + { + slock_t _res; + + do + { + __asm__(" ldq $0, %0 \n\ bne $0, already_set \n\ ldq_l $0, %0 \n\ bne $0, already_set \n\ @@ -58,7 +60,8 @@ void S_LOCK(slock_t* lock) stqc_fail: or $31, 1, $0 \n\ already_set: bis $0, $0, %1 \n\ end: nop ": "=m"(*lock), "=r"(_res): :"0"); - } while (_res != 0); - } while (0); + } while (_res != 0); + } while (0); } + #endif |