From d583d77111d6dac7996c44d5193ece1c3b682f87 Mon Sep 17 00:00:00 2001
From: christos <christos@NetBSD.org>
Date: Wed, 6 Apr 2016 03:51:26 +0000
Subject: [PATCH] Implement WIFCONTINUED using the linux value instead of the
 FreeBSD one...

---
 sys/kern/kern_exit.c | 8 ++++----
 sys/sys/wait.h       | 5 ++++-
 2 files changed, 8 insertions(+), 5 deletions(-)

diff --git a/sys/kern/kern_exit.c b/sys/kern/kern_exit.c
index 35bdf729c357..72754ea314c3 100644
--- a/sys/kern/kern_exit.c
+++ b/sys/kern/kern_exit.c
@@ -1,4 +1,4 @@
-/*	$NetBSD: kern_exit.c,v 1.255 2016/04/05 14:07:31 christos Exp $	*/
+/*	$NetBSD: kern_exit.c,v 1.256 2016/04/06 03:51:26 christos Exp $	*/
 
 /*-
  * Copyright (c) 1998, 1999, 2006, 2007, 2008 The NetBSD Foundation, Inc.
@@ -67,7 +67,7 @@
  */
 
 #include <sys/cdefs.h>
-__KERNEL_RCSID(0, "$NetBSD: kern_exit.c,v 1.255 2016/04/05 14:07:31 christos Exp $");
+__KERNEL_RCSID(0, "$NetBSD: kern_exit.c,v 1.256 2016/04/06 03:51:26 christos Exp $");
 
 #include "opt_ktrace.h"
 #include "opt_dtrace.h"
@@ -685,7 +685,8 @@ do_sys_waitid(idtype_t idtype, id_t id, int *pid, int *status, int options,
 		}
 	} else {
 		/* Child state must have been SSTOP. */
-		*status = W_STOPCODE(child->p_xsig);
+		*status = child->p_xsig == SIGCONT ? W_CONTCODE() :
+		    W_STOPCODE(child->p_xsig);
 		mutex_exit(proc_lock);
 	}
 	return 0;
@@ -1032,7 +1033,6 @@ find_stopped_child(struct proc *parent, idtype_t idtype, id_t id, int options,
 				break;
 			}
 		}
-		/* XXX: WCONTINUED? */
 
 		if (child != NULL || error != 0 ||
 		    ((options & WNOHANG) != 0 && dead == NULL)) {
diff --git a/sys/sys/wait.h b/sys/sys/wait.h
index 639afc47d332..61bd309606dd 100644
--- a/sys/sys/wait.h
+++ b/sys/sys/wait.h
@@ -1,4 +1,4 @@
-/*	$NetBSD: wait.h,v 1.29 2016/04/02 21:09:43 christos Exp $	*/
+/*	$NetBSD: wait.h,v 1.30 2016/04/06 03:51:26 christos Exp $	*/
 
 /*
  * Copyright (c) 1982, 1986, 1989, 1993, 1994
@@ -57,7 +57,9 @@
 
 #define	_WSTATUS(x)	(_W_INT(x) & 0177)
 #define	_WSTOPPED	0177		/* _WSTATUS if process is stopped */
+#define _WCONTINUED	0xffffU
 #define WIFSTOPPED(x)	(_WSTATUS(x) == _WSTOPPED)
+#define WIFCONTINUED(x)	(_W_INT(x) == _WCONTINUED)
 #define WSTOPSIG(x)	((int)(((unsigned int)_W_INT(x)) >> 8) & 0xff)
 #define WIFSIGNALED(x)	(_WSTATUS(x) != _WSTOPPED && _WSTATUS(x) != 0)
 #define WTERMSIG(x)	(_WSTATUS(x))
@@ -69,6 +71,7 @@
 
 #define	W_EXITCODE(ret, sig)	((ret) << 8 | (sig))
 #define	W_STOPCODE(sig)		((sig) << 8 | _WSTOPPED)
+#define	W_CONTCODE()		(_WCONTINUED)
 #endif
 
 /*