git-bug/util/process/process.go
2018-09-11 22:14:46 +02:00

24 lines
437 B
Go

package process
import (
"os"
"syscall"
)
// IsRunning tell is a process is running
func IsRunning(pid int) bool {
// never return no error in a unix system
process, err := os.FindProcess(pid)
if err != nil {
return false
}
// Signal 0 doesn't do anything but allow testing the process
err = process.Signal(syscall.Signal(0))
// Todo: distinguish "you don't have access" and "process doesn't exist"
return err == nil
}