31 lines
621 B
Go
31 lines
621 B
Go
package main
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import (
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"context"
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"log"
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"os"
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"os/signal"
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"syscall"
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"time"
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)
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func main() {
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ctx, cancelFunc := context.WithTimeout(context.Background(), time.Second*2)
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waitForFinish(ctx, cancelFunc)
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}
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//waitForFinish 带context的退出
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func waitForFinish(ctx context.Context, cancel context.CancelFunc) {
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log.Println("waiting for finish...")
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sigChan := make(chan os.Signal, 1)
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signal.Notify(sigChan, syscall.SIGINT, syscall.SIGTERM, syscall.SIGQUIT)
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select {
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case <-ctx.Done():
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log.Println("ctx done")
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break
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case <-sigChan:
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log.Println("got termination signal,canceling execution...")
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cancel()
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}
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}
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