database/postgres
database/postgres
1
0
Fork 0
mirror of https://github.com/postgres/postgres.git synced 2025-05-21 15:54:08 +03:00
Code

Add a comment noting that the owner_pid test in OwnLatch is just a sanity

Browse Source 
check, per request by Jeff Davis.
This commit is contained in:
Heikki Linnakangas 2010-09-13 18:01:20 +00:00
parent d7a541a9a7
commit c1ba7db6c1
1 changed files with 2 additions and 1 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

3
src/backend/port/unix_latch.c
View File

@ -77,7 +77,7 @@
* Portions Copyright (c) 1994, Regents of the University of California * Portions Copyright (c) 1994, Regents of the University of California
* *
* IDENTIFICATION * IDENTIFICATION
* $PostgreSQL: pgsql/src/backend/port/unix_latch.c,v 1.2 2010/09/11 16:26:04 heikki Exp $ * $PostgreSQL: pgsql/src/backend/port/unix_latch.c,v 1.3 2010/09/13 18:01:20 heikki Exp $
* *
*------------------------------------------------------------------------- *-------------------------------------------------------------------------
*/ */
@ -156,6 +156,7 @@ OwnLatch(volatile Latch *latch)
if (selfpipe_readfd == -1) if (selfpipe_readfd == -1)
initSelfPipe(); initSelfPipe();
/* sanity check */
if (latch->owner_pid != 0) if (latch->owner_pid != 0)
elog(ERROR, "latch already owned"); elog(ERROR, "latch already owned");
latch->owner_pid = MyProcPid; latch->owner_pid = MyProcPid;