diff options
Diffstat (limited to 'src/backend')
| -rw-r--r-- | src/backend/storage/lmgr/s_lock.c | 6 |
1 files changed, 5 insertions, 1 deletions
diff --git a/src/backend/storage/lmgr/s_lock.c b/src/backend/storage/lmgr/s_lock.c index e5e372bb39d..fac77aef0af 100644 --- a/src/backend/storage/lmgr/s_lock.c +++ b/src/backend/storage/lmgr/s_lock.c @@ -9,7 +9,7 @@ * * * IDENTIFICATION - * $PostgreSQL: pgsql/src/backend/storage/lmgr/s_lock.c,v 1.22 2003/12/23 22:15:07 tgl Exp $ + * $PostgreSQL: pgsql/src/backend/storage/lmgr/s_lock.c,v 1.23 2003/12/27 20:58:58 tgl Exp $ * *------------------------------------------------------------------------- */ @@ -88,6 +88,10 @@ s_lock(volatile slock_t *lock, const char *file, int line) while (TAS(lock)) { + /* CPU-specific delay each time through the loop */ + SPIN_DELAY(); + + /* Block the process every SPINS_PER_DELAY tries */ if (++spins > SPINS_PER_DELAY) { if (++delays > NUM_DELAYS) |