gcc/libgo/misc/cgo/test/issue8517_windows.go
Ian Lance Taylor 936615752a libgo: add misc/cgo files
Copy all the misc/cgo files from the gc toolchain into libgo/misc.
    
    These will be used for testing purposes by later changes to the
    gotools directory.
    
    Reviewed-on: https://go-review.googlesource.com/46721

From-SVN: r249674
2017-06-27 04:21:40 +00:00

46 lines
990 B
Go

// Copyright 2014 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
//void testHandleLeaks();
import "C"
import (
"syscall"
"testing"
"unsafe"
)
var issue8517counter int
var (
kernel32 = syscall.MustLoadDLL("kernel32.dll")
getProcessHandleCount = kernel32.MustFindProc("GetProcessHandleCount")
)
func processHandleCount(t *testing.T) int {
const current_process = ^uintptr(0)
var c uint32
r, _, err := getProcessHandleCount.Call(current_process, uintptr(unsafe.Pointer(&c)))
if r == 0 {
t.Fatal(err)
}
return int(c)
}
func test8517(t *testing.T) {
c1 := processHandleCount(t)
C.testHandleLeaks()
c2 := processHandleCount(t)
if c1+issue8517counter <= c2 {
t.Fatalf("too many handles leaked: issue8517counter=%v c1=%v c2=%v", issue8517counter, c1, c2)
}
}
//export testHandleLeaksCallback
func testHandleLeaksCallback() {
issue8517counter++
}