From 0f08b401f107732d6c88486a739f26ce04578c34 Mon Sep 17 00:00:00 2001
From: Ron Yorston <rmy@pobox.com>
Date: Fri, 29 May 2015 15:33:23 +0100
Subject: mingw: fixes to implementation of waitpid(2)

The third argument should be int.  We only support positive pid
values.
---
 win32/process.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

(limited to 'win32')

diff --git a/win32/process.c b/win32/process.c
index 318515375..e38792b5a 100644
--- a/win32/process.c
+++ b/win32/process.c
@@ -1,13 +1,13 @@
 #include "libbb.h"
 #include <tlhelp32.h>
 
-int waitpid(pid_t pid, int *status, unsigned options)
+int waitpid(pid_t pid, int *status, int options)
 {
 	HANDLE proc;
 	int ret;
 
 	/* Windows does not understand parent-child */
-	if (options == 0 && pid != -1) {
+	if (pid > 0 && options == 0) {
 		if ( (proc=OpenProcess(SYNCHRONIZE|PROCESS_QUERY_INFORMATION,
 						FALSE, pid)) != NULL ) {
 			ret = _cwait(status, proc, 0);
-- 
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