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- // skip
- // 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 cgolife
- // #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
- }
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