Retro68/gcc/libgo/misc/cgo/test/cthread.go
2018-12-28 16:30:48 +01:00

45 lines
760 B
Go

// Copyright 2013 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 cgotest
// extern void doAdd(int, int);
import "C"
import (
"runtime"
"sync"
"testing"
)
var sum struct {
sync.Mutex
i int
}
//export Add
func Add(x int) {
defer func() {
recover()
}()
sum.Lock()
sum.i += x
sum.Unlock()
var p *int
*p = 2
}
func testCthread(t *testing.T) {
if runtime.GOOS == "darwin" && (runtime.GOARCH == "arm" || runtime.GOARCH == "arm64") {
t.Skip("the iOS exec wrapper is unable to properly handle the panic from Add")
}
sum.i = 0
C.doAdd(10, 6)
want := 10 * (10 - 1) / 2 * 6
if sum.i != want {
t.Fatalf("sum=%d, want %d", sum.i, want)
}
}