diff options
Diffstat (limited to 'src/include/storage/s_lock.h')
| -rw-r--r-- | src/include/storage/s_lock.h | 20 |
1 files changed, 19 insertions, 1 deletions
diff --git a/src/include/storage/s_lock.h b/src/include/storage/s_lock.h index dff5ffc8c24..23f4cc9cd4a 100644 --- a/src/include/storage/s_lock.h +++ b/src/include/storage/s_lock.h @@ -66,7 +66,7 @@ * Portions Copyright (c) 1996-2006, PostgreSQL Global Development Group * Portions Copyright (c) 1994, Regents of the University of California * - * $PostgreSQL: pgsql/src/include/storage/s_lock.h,v 1.156 2006/05/19 13:10:11 momjian Exp $ + * $PostgreSQL: pgsql/src/include/storage/s_lock.h,v 1.157 2006/06/07 22:24:45 momjian Exp $ * *------------------------------------------------------------------------- */ @@ -784,6 +784,24 @@ extern slock_t pg_atomic_cas(volatile slock_t *lock, slock_t with, #endif +#ifdef WIN32_ONLY_COMPILER +typedef LONG slock_t; + +#define HAS_TEST_AND_SET +#define TAS(lock) (InterlockedCompareExchange(lock, 1, 0)) + +#define SPIN_DELAY() spin_delay() + +static __forceinline void +spin_delay(void) +{ + /* See comment for gcc code. Same code, MASM syntax */ + __asm rep nop; +} + +#endif + + #endif /* !defined(HAS_TEST_AND_SET) */ |