From a64a2dc434b37cc09ab45eccca01c84d0f17bd6b Mon Sep 17 00:00:00 2001
From: xiaowei <403828237@qq.com>
Date: Wed, 19 Jan 2022 12:26:38 +0800
Subject: [PATCH] =?UTF-8?q?add:=20signal=E9=80=80=E5=87=BA=E5=B8=A6context?=
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---
 channel/signal-context/main.go | 30 ++++++++++++++++++++++++++++++
 1 file changed, 30 insertions(+)
 create mode 100644 channel/signal-context/main.go

diff --git a/channel/signal-context/main.go b/channel/signal-context/main.go
new file mode 100644
index 0000000..0cf0c35
--- /dev/null
+++ b/channel/signal-context/main.go
@@ -0,0 +1,30 @@
+package main
+
+import (
+	"context"
+	"log"
+	"os"
+	"os/signal"
+	"syscall"
+	"time"
+)
+
+func main() {
+	ctx, cancelFunc := context.WithTimeout(context.Background(), time.Second*2)
+	waitForFinish(ctx, cancelFunc)
+}
+//waitForFinish 带context的退出
+func waitForFinish(ctx context.Context, cancel context.CancelFunc) {
+	log.Println("waiting for finish...")
+	sigChan := make(chan os.Signal, 1)
+	signal.Notify(sigChan, syscall.SIGINT, syscall.SIGTERM, syscall.SIGQUIT)
+	select {
+	case <-ctx.Done():
+		log.Println("ctx done")
+		break
+	case <-sigChan:
+		log.Println("got termination signal,canceling execution...")
+		cancel()
+
+	}
+}