diff options
Diffstat (limited to 'src/backend/port/unix_latch.c')
| -rw-r--r-- | src/backend/port/unix_latch.c | 31 |
1 files changed, 5 insertions, 26 deletions
diff --git a/src/backend/port/unix_latch.c b/src/backend/port/unix_latch.c index e1cb6f219e9..d5d61432893 100644 --- a/src/backend/port/unix_latch.c +++ b/src/backend/port/unix_latch.c @@ -77,7 +77,7 @@ * Portions Copyright (c) 1994, Regents of the University of California * * IDENTIFICATION - * $PostgreSQL: pgsql/src/backend/port/unix_latch.c,v 1.3 2010/09/13 18:01:20 heikki Exp $ + * $PostgreSQL: pgsql/src/backend/port/unix_latch.c,v 1.4 2010/09/15 10:06:21 heikki Exp $ * *------------------------------------------------------------------------- */ @@ -129,8 +129,10 @@ InitLatch(volatile Latch *latch) * is initially owned by no-one, use OwnLatch to associate it with the * current process. * - * NB: When you introduce a new shared latch, you must increase the shared - * latch count in NumSharedLatches in win32_latch.c! + * InitSharedLatch needs to be called in postmaster before forking child + * processes, usually right after allocating the shared memory block + * containing the latch with ShmemInitStruct. The Unix implementation + * doesn't actually require that, but the Windows one does. */ void InitSharedLatch(volatile Latch *latch) @@ -323,29 +325,6 @@ ResetLatch(volatile Latch *latch) } /* - * LatchShmemSize - * Compute space needed for latch's shared memory - * - * Not needed for Unix implementation. - */ -Size -LatchShmemSize(void) -{ - return 0; -} - -/* - * LatchShmemInit - * Allocate and initialize shared memory needed for latches - * - * Not needed for Unix implementation. - */ -void -LatchShmemInit(void) -{ -} - -/* * SetLatch uses SIGUSR1 to wake up the process waiting on the latch. Wake * up WaitLatch. */ |