[Midnightbsd-cvs] src [12324] trunk/sys/sys/wait.h: sync with FreeBSD 11-stable

[laffer1 at midnightbsd.org]

Revision: 12324
          http://svnweb.midnightbsd.org/src/?rev=12324
Author:   laffer1
Date:     2020-02-08 14:51:00 -0500 (Sat, 08 Feb 2020)
Log Message:
-----------
sync with FreeBSD 11-stable

Modified Paths:
--------------
    trunk/sys/sys/wait.h

Modified: trunk/sys/sys/wait.h
===================================================================
--- trunk/sys/sys/wait.h	2020-02-08 19:49:56 UTC (rev 12323)
+++ trunk/sys/sys/wait.h	2020-02-08 19:51:00 UTC (rev 12324)
@@ -28,7 +28,7 @@
  * SUCH DAMAGE.
  *
  *	@(#)wait.h	8.2 (Berkeley) 7/10/94
- * $FreeBSD: stable/10/sys/sys/wait.h 254218 2013-08-11 14:15:01Z jilles $
+ * $FreeBSD: stable/11/sys/sys/wait.h 331722 2018-03-29 02:50:57Z eadler $
  */
 
 #ifndef _SYS_WAIT_H_
@@ -139,7 +139,19 @@
 #define	WAIT_MYPGRP	0	/* any process in my process group */
 #endif /* __BSD_VISIBLE */
 
+#if defined(_KERNEL) || defined(_WANT_KW_EXITCODE)
+
+/*
+ * Clamp the return code to the low 8 bits from full 32 bit value.
+ * Should be used in kernel to construct the wait(2)-compatible process
+ * status to usermode.
+ */
+#define	KW_EXITCODE(ret, sig)	W_EXITCODE((ret) & 0xff, (sig))
+
+#endif	/* _KERNEL || _WANT_KW_EXITCODE */
+
 #ifndef _KERNEL
+
 #include <sys/types.h>
 
 __BEGIN_DECLS