29 lines
644 B
Go
29 lines
644 B
Go
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package runc
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import (
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"io/ioutil"
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"strconv"
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"syscall"
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)
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// ReadPidFile reads the pid file at the provided path and returns
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// the pid or an error if the read and conversion is unsuccessful
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func ReadPidFile(path string) (int, error) {
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data, err := ioutil.ReadFile(path)
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if err != nil {
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return -1, err
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}
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return strconv.Atoi(string(data))
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}
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const exitSignalOffset = 128
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// exitStatus returns the correct exit status for a process based on if it
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// was signaled or exited cleanly
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func exitStatus(status syscall.WaitStatus) int {
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if status.Signaled() {
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return exitSignalOffset + int(status.Signal())
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}
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return status.ExitStatus()
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}
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