From e3cff14e0336b70bb7aad4855b8b2f6c4d963d05 Mon Sep 17 00:00:00 2001
From: Curtis McEnroe
Date: Sat, 1 Dec 2018 21:55:32 -0500
Subject: Fix sandman hang

It was hanging after sending SIGTSTP to its child, then receiving a
SIGCHLD to indicate the child had stopped.
---
 sandman.m | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/sandman.m b/sandman.m
index 44ab267..e8163c0 100644
--- a/sandman.m
+++ b/sandman.m
@@ -41,7 +41,7 @@ int main(int argc, char *argv[]) {
 	struct sigaction sa = {
 		.sa_handler = handler,
 		.sa_mask = mask,
-		.sa_flags = SA_RESTART,
+		.sa_flags = SA_NOCLDSTOP | SA_RESTART,
 	};
 	sigaction(SIGCHLD, &sa, NULL);
 
@@ -56,7 +56,7 @@ int main(int argc, char *argv[]) {
 		[[NSWorkspace sharedWorkspace] notificationCenter]
 		addObserverForName: NSWorkspaceWillSleepNotification
 		object: nil
-		queue: [NSOperationQueue mainQueue]
+		queue: nil
 		usingBlock: ^(NSNotification *note) {
 			(void)note;
 			int error = kill(pid, SIGTSTP);
@@ -68,7 +68,7 @@ int main(int argc, char *argv[]) {
 		[[NSWorkspace sharedWorkspace] notificationCenter]
 		addObserverForName: NSWorkspaceDidWakeNotification
 		object: nil
-		queue: [NSOperationQueue mainQueue]
+		queue: nil
 		usingBlock: ^(NSNotification *note) {
 			(void)note;
 			int error = kill(pid, SIGCONT);
-- 
cgit 1.4.1-2-gfad0