diff options
| author | Tom Lane <tgl@sss.pgh.pa.us> | 2005-08-28 18:26:07 +0000 |
|---|---|---|
| committer | Tom Lane <tgl@sss.pgh.pa.us> | 2005-08-28 18:26:07 +0000 |
| commit | 9f70dce4cef73a8dce009428f787d9c339c5c10e (patch) | |
| tree | 4264f3fdbded68196337114c815dc145c1935ee0 | |
| parent | 5677c28c9147445de1fb942b614814f7064fff7f (diff) | |
| download | postgresql-9f70dce4cef73a8dce009428f787d9c339c5c10e.tar.gz postgresql-9f70dce4cef73a8dce009428f787d9c339c5c10e.zip | |
Add a SYNC instruction to the S_UNLOCK sequence for MIPS.
| -rw-r--r-- | src/include/storage/s_lock.h | 10 |
1 files changed, 9 insertions, 1 deletions
diff --git a/src/include/storage/s_lock.h b/src/include/storage/s_lock.h index 39410c211b6..6b753bd3c66 100644 --- a/src/include/storage/s_lock.h +++ b/src/include/storage/s_lock.h @@ -66,7 +66,7 @@ * Portions Copyright (c) 1996-2005, PostgreSQL Global Development Group * Portions Copyright (c) 1994, Regents of the University of California * - * $PostgreSQL: pgsql/src/include/storage/s_lock.h,v 1.133.4.3 2005/08/27 16:22:58 tgl Exp $ + * $PostgreSQL: pgsql/src/include/storage/s_lock.h,v 1.133.4.4 2005/08/28 18:26:07 tgl Exp $ * *------------------------------------------------------------------------- */ @@ -472,6 +472,14 @@ tas(volatile slock_t *lock) return _res; } +/* MIPS S_UNLOCK is almost standard but requires a "sync" instruction */ +#define S_UNLOCK(lock) \ +do \ +{\ + __asm__ __volatile__ (" sync \n"); \ + *((volatile slock_t *) (lock)) = 0; \ +} while (0) + #endif /* __mips__ && !__sgi */ |