Fix another bug in DSM_CREATE_NULL_IF_MAXSEGMENTS handling.

robertmhaas · robertmhaas · commit f272098e9170 · 2015-04-02T10:39:24.000-04:00
Amit Kapila
diff --git a/src/backend/storage/ipc/dsm.c b/src/backend/storage/ipc/dsm.c
@@ -502,6 +502,7 @@ dsm_create(Size size, int flags)
 	{
 		if ((flags & DSM_CREATE_NULL_IF_MAXSEGMENTS) != 0)
 		{
+			LWLockRelease(DynamicSharedMemoryControlLock);
 			dsm_impl_op(DSM_OP_DESTROY, seg->handle, 0, &seg->impl_private,
 						&seg->mapped_address, &seg->mapped_size, WARNING);
 			if (seg->resowner != NULL)

Original file line number	Diff line number	Diff line change
`@@ -502,6 +502,7 @@ dsm_create(Size size, int flags)`
`502`	`502`	`{`
`503`	`503`	`if ((flags & DSM_CREATE_NULL_IF_MAXSEGMENTS) != 0)`
`504`	`504`	`{`
	`505`	`+ LWLockRelease(DynamicSharedMemoryControlLock);`
`505`	`506`	`dsm_impl_op(DSM_OP_DESTROY, seg->handle, 0, &seg->impl_private,`
`506`	`507`	`&seg->mapped_address, &seg->mapped_size, WARNING);`
`507`	`508`	`if (seg->resowner != NULL)`