From 4aaf948f90f2a0245f5e8a7357f03701a20d5677 Mon Sep 17 00:00:00 2001
From: Russ Cox <rsc@golang.org>
Date: Thu, 19 Nov 2009 11:01:16 -0800
Subject: [PATCH] runtime: mask signals during signal handler on OS X

Fixes #265.

R=r
CC=golang-dev
https://golang.org/cl/157084
---
 src/pkg/runtime/darwin/386/signal.c   | 2 +-
 src/pkg/runtime/darwin/amd64/signal.c | 2 +-
 2 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/pkg/runtime/darwin/386/signal.c b/src/pkg/runtime/darwin/386/signal.c
index 3a63c4b382..8d9a68967c 100644
--- a/src/pkg/runtime/darwin/386/signal.c
+++ b/src/pkg/runtime/darwin/386/signal.c
@@ -83,7 +83,7 @@ initsig(void)
 	static Sigaction sa;
 
 	sa.sa_flags |= SA_SIGINFO|SA_ONSTACK;
-	sa.sa_mask = 0; // 0xFFFFFFFFU;
+	sa.sa_mask = 0xFFFFFFFFU;
 	sa.sa_tramp = sigtramp;	// sigtramp's job is to call into real handler
 	for(i = 0; i<NSIG; i++) {
 		if(sigtab[i].flags) {
diff --git a/src/pkg/runtime/darwin/amd64/signal.c b/src/pkg/runtime/darwin/amd64/signal.c
index 45e5e8d478..8ceb17ed38 100644
--- a/src/pkg/runtime/darwin/amd64/signal.c
+++ b/src/pkg/runtime/darwin/amd64/signal.c
@@ -91,7 +91,7 @@ initsig(void)
 	static Sigaction sa;
 
 	sa.sa_flags |= SA_SIGINFO|SA_ONSTACK;
-	sa.sa_mask = 0; // 0xFFFFFFFFU;
+	sa.sa_mask = 0xFFFFFFFFU;
 	sa.sa_tramp = sigtramp;	// sigtramp's job is to call into real handler
 	for(i = 0; i<NSIG; i++) {
 		if(sigtab[i].flags) {
-- 
2.48.1