use exitgroup on linux to exit whole process.

R=r
DELTA=60  (38 added, 19 deleted, 3 changed)
OCL=28589
CL=28589

1 files changed, 20 insertions, 0 deletions

diff --git a/src/lib/os/proc_darwin.go b/src/lib/os/proc_darwin.go
new file mode 100644
index 000000000..bae977b1f
--- /dev/null
+++ b/src/lib/os/proc_darwin.go
@@ -0,0 +1,20 @@
+// Copyright 2009 The Go Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style
+// license that can be found in the LICENSE file.
+
+package os
+
+import (
+	"os";
+	"syscall";
+)
+
+var Args []string;	// provided by runtime
+var Envs []string;	// provided by runtime
+
+// Exit causes the current program to exit with the given status code.
+// Conventionally, code zero indicates success, non-zero an error.
+func Exit(code int) {
+	syscall.Syscall(syscall.SYS_EXIT, int64(code), 0, 0)
+}
+