2018-02-05 21:05:59 +00:00
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package system // import "github.com/docker/docker/pkg/system"
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2016-11-08 16:21:02 +00:00
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import (
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"fmt"
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"os/exec"
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"syscall"
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)
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// GetExitCode returns the ExitStatus of the specified error if its type is
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// exec.ExitError, returns 0 and an error otherwise.
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func GetExitCode(err error) (int, error) {
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exitCode := 0
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if exiterr, ok := err.(*exec.ExitError); ok {
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if procExit, ok := exiterr.Sys().(syscall.WaitStatus); ok {
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return procExit.ExitStatus(), nil
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}
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}
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return exitCode, fmt.Errorf("failed to get exit code")
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}
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