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>

@@ -34,10 +34,12 @@
  * University Acknowledgment- Portions of this document are derived from
  * software developed by the University of California, Berkeley, and its
  * contributors.
  */
 
+/* Copyright (c) 2013, OmniTI Computer Consulting, Inc. All rights reserved. */
+
 #ifndef _SYS_FCNTL_H
 #define _SYS_FCNTL_H
 
 #include <sys/feature_tests.h>
 

@@ -80,10 +82,11 @@
 #define O_EXCL          0x400   /* exclusive open */
 #define O_NOCTTY        0x800   /* don't allocate controlling tty (POSIX) */
 #define O_XATTR         0x4000  /* extended attribute */
 #define O_NOFOLLOW      0x20000 /* don't follow symlinks */
 #define O_NOLINKS       0x40000 /* don't allow multiple hard links */
+#define O_CLOEXEC       0x800000        /* set the close-on-exec flag */
 
 /*
  * fcntl(2) requests
  *
  * N.B.: values are not necessarily assigned sequentially below.