37 lines
542 B
Go
37 lines
542 B
Go
package exec
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import (
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"os/exec"
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"time"
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)
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//exec another process
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//if wait d Duration, it will kill the process
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//d is <= 0, wait forever
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func ExecTimeout(d time.Duration, name string, args ...string) error {
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cmd := exec.Command(name, args...)
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if err := cmd.Start(); err != nil {
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return err
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}
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if d <= 0 {
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return cmd.Wait()
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}
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done := make(chan error)
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go func() {
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done <- cmd.Wait()
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}()
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select {
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case <-time.After(d):
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cmd.Process.Kill()
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//wait goroutine return
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return <-done
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case err := <-done:
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return err
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}
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}
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