| // 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 |
| |
| //export GoStart |
| // Double return value is just for testing. |
| 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 |
| } |
