We read every piece of feedback, and take your input very seriously.
To see all available qualifiers, see our documentation.
There was an error while loading. Please reload this page.
1 parent 07eeb9d commit fa72121Copy full SHA for fa72121
src/backend/storage/lmgr/lwlock.c
@@ -15,7 +15,7 @@
15
* Portions Copyright (c) 1994, Regents of the University of California
16
*
17
* IDENTIFICATION
18
- * $PostgreSQL: pgsql/src/backend/storage/lmgr/lwlock.c,v 1.32 2005/10/07 21:42:38 tgl Exp $
+ * $PostgreSQL: pgsql/src/backend/storage/lmgr/lwlock.c,v 1.33 2005/10/12 16:55:59 tgl Exp $
19
20
*-------------------------------------------------------------------------
21
*/
@@ -226,7 +226,8 @@ LWLockId
226
LWLockAssign(void)
227
{
228
LWLockId result;
229
- int *LWLockCounter;
+ /* use volatile pointer to prevent code rearrangement */
230
+ volatile int *LWLockCounter;
231
232
LWLockCounter = (int *) ((char *) LWLockArray - 2 * sizeof(int));
233
SpinLockAcquire(ShmemLock);
0 commit comments