From 9bd77dca9257817f592b44a5b05329e8bdc6d0f1 Mon Sep 17 00:00:00 2001
From: Philip Guenther <guenther@cvs.openbsd.org>
Date: Wed, 3 Jul 2013 06:41:52 +0000
Subject: Use WAIT_* for the first argument to wait4(), and otherwise treat it
 (and the first argument to kill) as signed 32bit ints.

ok millert@ otto@
---
 usr.bin/kdump/kdump.c | 26 +++++++++++++++++++++++---
 1 file changed, 23 insertions(+), 3 deletions(-)

diff --git a/usr.bin/kdump/kdump.c b/usr.bin/kdump/kdump.c
index 76dcfeb256d..193c48d71ef 100644
--- a/usr.bin/kdump/kdump.c
+++ b/usr.bin/kdump/kdump.c
@@ -1,4 +1,4 @@
-/*	$OpenBSD: kdump.c,v 1.81 2013/06/01 09:51:30 miod Exp $	*/
+/*	$OpenBSD: kdump.c,v 1.82 2013/07/03 06:41:51 guenther Exp $	*/
 
 /*-
  * Copyright (c) 1988, 1993
@@ -47,6 +47,7 @@
 #include <sys/vmmeter.h>
 #include <sys/stat.h>
 #include <sys/tty.h>
+#include <sys/wait.h>
 #include <netinet/in.h>
 #include <arpa/inet.h>
 #define _KERNEL
@@ -162,6 +163,8 @@ static void setemul(const char *);
 static void usage(void);
 static void atfd(int);
 static void polltimeout(int);
+static void pgid(int);
+static void wait4pid(int);
 
 int
 main(int argc, char *argv[])
@@ -627,7 +630,7 @@ ktrsyscall(struct ktr_syscall *ktr)
 		break;
 	}
 	case SYS_kill:
-		pn(NULL);
+		pn(pgid);
 		pn(signame);
 		break;
 	case SYS_lseek:
@@ -792,7 +795,7 @@ ktrsyscall(struct ktr_syscall *ktr)
 		plln();
 		break;
 	case SYS_wait4:
-		pn(NULL);
+		pn(wait4pid);
 		pn(NULL);
 		pn(wait4optname);
 		break;
@@ -1655,3 +1658,20 @@ polltimeout(int timeout)
 	else
 		(void)printf("%#x", timeout);
 }
+
+static void
+pgid(int pid)
+{
+	(void)printf("%d", pid);
+}
+
+static void
+wait4pid(int pid)
+{
+	if (pid == WAIT_ANY)
+		(void)printf("WAIT_ANY");
+	else if (pid == WAIT_MYPGRP)
+		(void)printf("WAIT_MYPGRP");
+	else
+		pgid(pid);
+}
-- 
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