From d82ae69625cbfceb33af8e26d71b8a46eeb1a10c Mon Sep 17 00:00:00 2001
From: Catherine <whitequark@whitequark.org>
Date: Sun, 23 Nov 2025 03:03:04 +0000
Subject: [PATCH] Simplify SIGINT handling code. NFC

---
 src/main.go         | 7 ++-----
 src/signal_other.go | 6 ++++--
 src/signal_posix.go | 9 +++------
 3 files changed, 9 insertions(+), 13 deletions(-)

diff --git a/src/main.go b/src/main.go
index 696648f..22ec43e 100644
--- a/src/main.go
+++ b/src/main.go
@@ -385,10 +385,7 @@ func Main() {
 			log.Println("serve: ready")
 		}
 
-		interrupt := make(chan struct{})
-		OnInterrupt(func() { interrupt <- struct{}{} })
-		<-interrupt
-
-		log.Println("exiting gracefully")
+		WaitForInterrupt()
+		log.Println("serve: exiting")
 	}
 }
diff --git a/src/signal_other.go b/src/signal_other.go
index ecb6b48..ac617f4 100644
--- a/src/signal_other.go
+++ b/src/signal_other.go
@@ -6,6 +6,8 @@ func OnReload(handler func()) {
 	// not implemented
 }
 
-func OnInterrupt(handler func()) {
-	// not implemented
+func WaitForInterrupt() {
+	for {
+		// Ctrl+C not supported
+	}
 }
diff --git a/src/signal_posix.go b/src/signal_posix.go
index c6955bf..b38531a 100644
--- a/src/signal_posix.go
+++ b/src/signal_posix.go
@@ -19,12 +19,9 @@ func OnReload(handler func()) {
 	}()
 }
 
-func OnInterrupt(handler func()) {
+func WaitForInterrupt() {
 	sigint := make(chan os.Signal, 1)
 	signal.Notify(sigint, syscall.SIGINT)
-	go func() {
-		<-sigint
-		signal.Stop(sigint)
-		handler()
-	}()
+	<-sigint
+	signal.Stop(sigint)
 }