test: do not run SIGCHLD test on Plan 9

R=golang-dev, bradfitz
CC=golang-dev
https://golang.org/cl/10017045

diff --git a/test/sigchld.go b/test/sigchld.go
index a60d28deaab3b049ee5e7fb2adacab8d2ce09fb2..9024f39956adc4a07f98cae102552ba8c62d2527 100644 (file)
--- a/test/sigchld.go
+++ b/test/sigchld.go
@@ -1,4 +1,4 @@
-// +build !windows
+// +build !windows !plan9
 // cmpout
 
 // Copyright 2009 The Go Authors. All rights reserved.