| // Copyright 2010 The Go Authors. All rights reserved. | |
| // Use of this source code is governed by a BSD-style | |
| // license that can be found in the LICENSE file. | |
| package main | |
| // #include "life.h" | |
| import "C" | |
| import "unsafe" | |
| func Run(gen, x, y int, a []int32) { | |
| n := make([]int32, x*y) | |
| for i := 0; i < gen; i++ { | |
| C.Step(C.int(x), C.int(y), (*C.int)(unsafe.Pointer(&a[0])), (*C.int)(unsafe.Pointer(&n[0]))) | |
| copy(a, n) | |
| } | |
| } | |
| // Keep the channels visible from Go. | |
| var chans [4]chan bool | |
| // Double return value is just for testing. | |
| // | |
| //export GoStart | |
| func GoStart(i, xdim, ydim, xstart, xend, ystart, yend C.int, a *C.int, n *C.int) (int, int) { | |
| c := make(chan bool, int(C.MYCONST)) | |
| go func() { | |
| C.DoStep(xdim, ydim, xstart, xend, ystart, yend, a, n) | |
| c <- true | |
| }() | |
| chans[i] = c | |
| return int(i), int(i + 100) | |
| } | |
| //export GoWait | |
| func GoWait(i C.int) { | |
| <-chans[i] | |
| chans[i] = nil | |
| } | |