func (p process) Name() (name string, harderror error, softerrors []error) {
cname := C.malloc(C.PROC_PIDPATHINFO_MAXSIZE)
defer C.free(cname)
_, err := C.proc_pidpath(C.int(p.pid), cname, C.PROC_PIDPATHINFO_MAXSIZE)
if err != nil {
harderr := fmt.Errorf("Error while reading name of process %d: %v", p.pid, err)
return "", harderr, nil
}
name, harderror = filepath.EvalSymlinks(C.GoString((*C.char)(cname)))
return
}
// procTable returns a map of pid to binary path. see
// http://stackoverflow.com/questions/3018054/retrieve-names-of-running-processes
func procTable() map[int]string {
n := C.proc_listpids(C.PROC_ALL_PIDS, 0, nil, 0)
pids := make([]C.int, n)
C.proc_listpids(C.PROC_ALL_PIDS, 0, unsafe.Pointer(&pids[0]), n)
m := make(map[int]string, len(pids))
var pathBuf [C.PROC_PIDPATHINFO_MAXSIZE]C.char
for _, pid := range pids {
if pid == 0 {
continue
}
C.proc_pidpath(pid, unsafe.Pointer(&pathBuf[0]), C.PROC_PIDPATHINFO_MAXSIZE)
m[int(pid)] = C.GoString(&pathBuf[0])
}
return m
}
