moby/pkg/pidfile/pidfile_windows.go
Daniel Nephin 4f0d95fa6e Add canonical import comment
Signed-off-by: Daniel Nephin <dnephin@docker.com>
2018-02-05 16:51:57 -05:00

25 lines
465 B
Go

package pidfile // import "github.com/docker/docker/pkg/pidfile"
import (
"golang.org/x/sys/windows"
)
const (
processQueryLimitedInformation = 0x1000
stillActive = 259
)
func processExists(pid int) bool {
h, err := windows.OpenProcess(processQueryLimitedInformation, false, uint32(pid))
if err != nil {
return false
}
var c uint32
err = windows.GetExitCodeProcess(h, &c)
windows.Close(h)
if err != nil {
return c == stillActive
}
return true
}