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authorJune McEnroe <june@causal.agency>2018-12-01 21:55:32 -0500
committerJune McEnroe <june@causal.agency>2018-12-01 21:55:32 -0500
commite3cff14e0336b70bb7aad4855b8b2f6c4d963d05 (patch)
tree33777593da6cb8e99f56383b6cb8deb775cf20a4
parentUse sigaction in sandman (diff)
downloadcatgirl-e3cff14e0336b70bb7aad4855b8b2f6c4d963d05.tar.gz
catgirl-e3cff14e0336b70bb7aad4855b8b2f6c4d963d05.zip
Fix sandman hang
It was hanging after sending SIGTSTP to its child, then receiving a
SIGCHLD to indicate the child had stopped.
-rw-r--r--sandman.m6
1 files 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);