Set maximum semaphore count to 32767 instead of 1. Fixes

mhagander · mhagander · commit 93dc5a234e68 · 2007-04-24T12:25:18.000Z
errorcode 298 when unlocking a semaphore more than once.

Per report from Marcin Waldowski.
diff --git a/src/backend/port/win32_sema.c b/src/backend/port/win32_sema.c
@@ -6,7 +6,7 @@
  * Portions Copyright (c) 1996-2007, PostgreSQL Global Development Group
  *
  * IDENTIFICATION
- *	  $PostgreSQL: pgsql/src/backend/port/win32_sema.c,v 1.4 2007/01/05 22:19:35 momjian Exp $
+ *	  $PostgreSQL: pgsql/src/backend/port/win32_sema.c,v 1.5 2007/04/24 12:25:18 mha Exp $
  *
  *-------------------------------------------------------------------------
  */
@@ -82,7 +82,7 @@ PGSemaphoreCreate(PGSemaphore sema)
 	sec_attrs.bInheritHandle = TRUE;
 
 	/* We don't need a named semaphore */
-	cur_handle = CreateSemaphore(&sec_attrs, 1, 1, NULL);
+	cur_handle = CreateSemaphore(&sec_attrs, 1, 32767, NULL);
 	if (cur_handle)
 	{
 		/* Successfully done */

Original file line number	Diff line number	Diff line change
`@@ -6,7 +6,7 @@`
`6`	`6`	`* Portions Copyright (c) 1996-2007, PostgreSQL Global Development Group`
`7`	`7`	`*`
`8`	`8`	`* IDENTIFICATION`
`9`		`- * $PostgreSQL: pgsql/src/backend/port/win32_sema.c,v 1.4 2007/01/05 22:19:35 momjian Exp $`
	`9`	`+ * $PostgreSQL: pgsql/src/backend/port/win32_sema.c,v 1.5 2007/04/24 12:25:18 mha Exp $`
`10`	`10`	`*`
`11`	`11`	`*-------------------------------------------------------------------------`
`12`	`12`	`*/`
`@@ -82,7 +82,7 @@ PGSemaphoreCreate(PGSemaphore sema)`
`82`	`82`	`sec_attrs.bInheritHandle = TRUE;`
`83`	`83`
`84`	`84`	`/* We don't need a named semaphore */`
`85`		`- cur_handle = CreateSemaphore(&sec_attrs, 1, 1, NULL);`
	`85`	`+ cur_handle = CreateSemaphore(&sec_attrs, 1, 32767, NULL);`
`86`	`86`	`if (cur_handle)`
`87`	`87`	`{`
`88`	`88`	`/* Successfully done */`