From 5e308b73d74b747ad614b297fbc4926402c754da Mon Sep 17 00:00:00 2001
From: ian <ian@138bc75d-0d04-0410-961f-82ee72b054a4>
Date: Fri, 7 Aug 2015 10:10:00 +0000
Subject:     libgo/testsuite: don't call kill without args

    If the timeout subshell has no child processes,
    the "xargs | kill" will fail. Ensure there is
    some input for kill before calling it.

    Reviewed-on: https://go-review.googlesource.com/13295


git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@226719 138bc75d-0d04-0410-961f-82ee72b054a4
---
 libgo/testsuite/gotest | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

(limited to 'libgo')

diff --git a/libgo/testsuite/gotest b/libgo/testsuite/gotest
index 7d5e99f4987..b2ee3ec248d 100755
--- a/libgo/testsuite/gotest
+++ b/libgo/testsuite/gotest
@@ -518,7 +518,10 @@ xno)
 		wait $pid
 		status=$?
 		if ! test -f gotest-timeout; then
-		    ps -o pid,ppid | grep " $alarmpid" | cut -f1 -d" " | xargs kill -9
+		    out=`ps -o pid,ppid | grep " $alarmpid" | cut -f1 -d" "`
+		    if test "x$out" != "x"; then
+		        kill -9 $out
+		    fi
 		fi
 	else
 		if test "$trace" = "true"; then
-- 
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