1
0
Fork 0
mirror of https://github.com/moby/moby.git synced 2022-11-09 12:21:53 -05:00
moby--moby/vendor/github.com/containerd/go-runc/utils.go
Kenfe-Mickael Laventure 7acea2a243
Vendor containerd 1.0
Signed-off-by: Kenfe-Mickael Laventure <mickael.laventure@gmail.com>
2017-10-19 13:19:41 -07:00

28 lines
644 B
Go

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