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ex_cmd

0.7.0
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Library for running and communicating with external programs using a back-pressure mechanism

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ex_cmd go_src exit_status_plan9.go
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go_src/exit_status_plan9.go 

package main



import (

	"os"

	"os/exec"

	"syscall"

)



func getExitStatus(err error) int {

	switch e := err.(type) {

	case *exec.ExitError:

		switch s := e.ProcessState.Sys().(type) {

		case syscall.Waitmsg:

			return s.ExitStatus()

		}

	}

	return 1

}



func makeSignal(sig byte) os.Signal {

	switch sig {

	case 128:

		return syscall.Note("interrupt")

	case 129:

		return syscall.Note("sys: kill")

	case 15:

		return syscall.Note("kill")

	default:

		return syscall.Note("")

	}

}