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33 lines
659 B
Go
33 lines
659 B
Go
package exegroup
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import (
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"context"
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"fmt"
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"os"
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"os/signal"
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"syscall"
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"git.blauwelle.com/go/crate/log"
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)
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// HandleSignal 提供信号处理函数;
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func HandleSignal(signals ...os.Signal) func(ctx context.Context) error {
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c := make(chan os.Signal, 1)
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if len(signals) == 0 {
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signals = []os.Signal{syscall.SIGTERM, syscall.SIGINT}
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}
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signal.Notify(c, signals...)
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return func(ctx context.Context) error {
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log.Tracef(ctx, "notify signal %v", signals)
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defer signal.Stop(c)
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select {
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case sig := <-c:
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err := fmt.Errorf("signal received: %s", sig)
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log.Trace(ctx, err.Error())
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return err
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case <-ctx.Done():
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return ctx.Err()
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}
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}
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}
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