diff options
Diffstat (limited to 'src/backend/storage/buffer/s_lock.c')
| -rw-r--r-- | src/backend/storage/buffer/s_lock.c | 31 |
1 files changed, 30 insertions, 1 deletions
diff --git a/src/backend/storage/buffer/s_lock.c b/src/backend/storage/buffer/s_lock.c index 72b167977d5..7f658ad26a8 100644 --- a/src/backend/storage/buffer/s_lock.c +++ b/src/backend/storage/buffer/s_lock.c @@ -8,7 +8,7 @@ * * * IDENTIFICATION - * $Header: /cvsroot/pgsql/src/backend/storage/buffer/Attic/s_lock.c,v 1.26 2000/11/28 23:27:55 tgl Exp $ + * $Header: /cvsroot/pgsql/src/backend/storage/buffer/Attic/s_lock.c,v 1.27 2000/12/11 00:49:51 tgl Exp $ * *------------------------------------------------------------------------- */ @@ -119,6 +119,35 @@ _success: \n\ #endif /* __m68k__ */ +#if defined(__APPLE__) && defined(__ppc__) +/* used in darwin. */ +/* We key off __APPLE__ here because this function differs from + * the LinuxPPC implementation only in compiler syntax. + */ +static void +tas_dummy() +{ + __asm__(" \n\ + .globl tas \n\ + .globl _tas \n\ +_tas: \n\ +tas: \n\ + lwarx r5,0,r3 \n\ + cmpwi r5,0 \n\ + bne fail \n\ + addi r5,r5,1 \n\ + stwcx. r5,0,r3 \n\ + beq success \n\ +fail: li r3,1 \n\ + blr \n\ +success: \n\ + li r3,0 \n\ + blr \n\ + "); +} + +#endif /* __APPLE__ && __ppc__ */ + #if defined(__powerpc__) /* Note: need a nice gcc constrained asm version so it can be inlined */ static void |