From cb6207858a9fcc2feaee22e626912fba281ac969 Mon Sep 17 00:00:00 2001
From: raf <none@none>
Date: Tue, 20 Mar 2007 17:29:57 -0700
Subject: PSARC 2007/129 thr_keycreate_once 6513516 double checked locking code
 needs a memory barrier

---
 usr/src/lib/libproc/common/Pcontrol.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

(limited to 'usr/src/lib/libproc/common/Pcontrol.c')

diff --git a/usr/src/lib/libproc/common/Pcontrol.c b/usr/src/lib/libproc/common/Pcontrol.c
index e30d5758cb..6cf0c45891 100644
--- a/usr/src/lib/libproc/common/Pcontrol.c
+++ b/usr/src/lib/libproc/common/Pcontrol.c
@@ -20,7 +20,7 @@
  */
 
 /*
- * Copyright 2006 Sun Microsystems, Inc.  All rights reserved.
+ * Copyright 2007 Sun Microsystems, Inc.  All rights reserved.
  * Use is subject to license terms.
  */
 
@@ -38,6 +38,7 @@
 #include <dirent.h>
 #include <limits.h>
 #include <signal.h>
+#include <atomic.h>
 #include <sys/types.h>
 #include <sys/uio.h>
 #include <sys/stat.h>
@@ -125,6 +126,7 @@ set_minfd(void)
 				fd = 256;
 			else if ((fd = rlim.rlim_cur / 2) < 3)
 				fd = 3;
+			membar_producer();
 			minfd = fd;
 		}
 		(void) mutex_unlock(&minfd_lock);
-- 
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