const pidUnset … const pidReleased … func (p *Process) wait() (ps *ProcessState, err error) { … } func (p *Process) pidWait() (*ProcessState, error) { … } func (p *Process) signal(sig Signal) error { … } func (p *Process) pidSignal(s syscall.Signal) error { … } func convertESRCH(err error) error { … } func (p *Process) release() error { … } func findProcess(pid int) (p *Process, err error) { … } func (p *ProcessState) userTime() time.Duration { … } func (p *ProcessState) systemTime() time.Duration { … }