From 9306738debb4ae38a43cc158c24c46debd86fb71 Mon Sep 17 00:00:00 2001
From: "Bruno G. Albuquerque" <bga@bug-br.org.br>
Date: Tue, 17 Nov 2009 16:00:10 +0000
Subject: [PATCH] - Only try to get usage info if there was no error with
 waitpid.

git-svn-id: file:///srv/svn/repos/haiku/haiku/trunk@34092 a95241bf-73f2-0310-859d-f6bbb57e9c96
---
 src/libs/bsd/wait.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/src/libs/bsd/wait.c b/src/libs/bsd/wait.c
index fe1a31518d..c23ef1175f 100644
--- a/src/libs/bsd/wait.c
+++ b/src/libs/bsd/wait.c
@@ -19,7 +19,9 @@ wait3(int *status, int options, struct rusage *rusage) {
 pid_t
 wait4(pid_t pid, int *status, int options, struct rusage *rusage) {
   pid_t waitPid = waitpid(pid, status, options);
-  getrusage(RUSAGE_CHILDREN, rusage);
+  if (waitPid != -1) {
+  	getrusage(RUSAGE_CHILDREN, rusage);
+  }
 
   return waitPid;
 }