3665 Implement O_CLOEXEC as an open() flag
Reviewed by: Robert Mustacchi <rm@joyent.com>
Reviewed by: Gordon Ross <gwr@nexenta.com>
Reviewed by: Dan McDonald <danmcd@nexenta.com>

@@ -22,10 +22,11 @@
 /*
  * Copyright (c) 1989, 2010, Oracle and/or its affiliates. All rights reserved.
  * Copyright (c) 2012 by Delphix. All rights reserved.
  * Copyright 2011 Nexenta Systems, Inc. All rights reserved.
  * Copyright (c) 2012, Joyent, Inc. All rights reserved.
+ * Copyright (c) 2013, OmniTI Computer Consulting, Inc. All rights reserved.
  */
 
 /*      Copyright (c) 1984, 1986, 1987, 1988, 1989 AT&T */
 /*        All Rights Reserved   */
 

@@ -1916,11 +1917,11 @@
 }
 
 #define ALL_O_FLAGS \
         (O_NDELAY|O_APPEND|O_SYNC|O_DSYNC|O_NONBLOCK|O_CREAT|O_TRUNC\
         |O_EXCL|O_NOCTTY|O_LARGEFILE|O_RSYNC|O_XATTR|O_NOFOLLOW|O_NOLINKS\
-        |FXATTRDIROPEN)
+        |O_CLOEXEC|FXATTRDIROPEN)
 
 const char *
 openarg(private_t *pri, int arg)
 {
         char *str = pri->code_buf;

@@ -1974,10 +1975,12 @@
                 (void) strlcat(str, "|O_XATTR", sizeof (pri->code_buf));
         if (arg & O_NOFOLLOW)
                 (void) strlcat(str, "|O_NOFOLLOW", sizeof (pri->code_buf));
         if (arg & O_NOLINKS)
                 (void) strlcat(str, "|O_NOLINKS", sizeof (pri->code_buf));
+        if (arg & O_CLOEXEC)
+                (void) strlcat(str, "|O_CLOEXEC", sizeof (pri->code_buf));
         if (arg & FXATTRDIROPEN)
                 (void) strlcat(str, "|FXATTRDIROPEN", sizeof (pri->code_buf));
 
         return ((const char *)str);
 }