diff options
Diffstat (limited to 'src/backend/storage/lmgr/lwlock.c')
| -rw-r--r-- | src/backend/storage/lmgr/lwlock.c | 9 |
1 files changed, 8 insertions, 1 deletions
diff --git a/src/backend/storage/lmgr/lwlock.c b/src/backend/storage/lmgr/lwlock.c index e2559be0e6f..8eaf7521830 100644 --- a/src/backend/storage/lmgr/lwlock.c +++ b/src/backend/storage/lmgr/lwlock.c @@ -15,7 +15,7 @@ * Portions Copyright (c) 1994, Regents of the University of California * * IDENTIFICATION - * $Header: /cvsroot/pgsql/src/backend/storage/lmgr/lwlock.c,v 1.13 2002/09/04 20:31:26 momjian Exp $ + * $Header: /cvsroot/pgsql/src/backend/storage/lmgr/lwlock.c,v 1.14 2002/09/25 20:31:40 tgl Exp $ * *------------------------------------------------------------------------- */ @@ -204,6 +204,13 @@ LWLockAcquire(LWLockId lockid, LWLockMode mode) PRINT_LWDEBUG("LWLockAcquire", lockid, lock); /* + * We can't wait if we haven't got a PGPROC. This should only occur + * during bootstrap or shared memory initialization. Put an Assert + * here to catch unsafe coding practices. + */ + Assert(!(proc == NULL && IsUnderPostmaster)); + + /* * Lock out cancel/die interrupts until we exit the code section * protected by the LWLock. This ensures that interrupts will not * interfere with manipulations of data structures in shared memory. |