sys.DumpStack now returns a string

edit/editor.go

@@ -353,7 +353,7 @@ MainLoop:
 				continue MainLoop
 			case syscall.SIGQUIT:
 				// Emulate default behavior
-				sys.DumpStack()
+				print(sys.DumpStack())
 				os.Exit(1)
 			default:
 				// Other signals: turn off signal catching, and resend

main.go

@@ -132,7 +132,7 @@ var usage = `Usage:
 func rescue() {
 	r := recover()
 	if r != nil {
-		sys.DumpStack()
+		print(sys.DumpStack())
 		println("execing recovery shell /bin/sh")
 		syscall.Exec("/bin/sh", []string{}, os.Environ())
 	}

sys/dumpstack.go

@@ -2,10 +2,10 @@ package sys
 
 import "runtime"
 
-func DumpStack() {
+func DumpStack() string {
 	buf := make([]byte, 1024)
 	for runtime.Stack(buf, true) == cap(buf) {
 		buf = make([]byte, cap(buf)*2)
 	}
-	print(string(buf))
+	return string(buf)
 }