936615752a
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
46 lines
990 B
Go
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++
|
|
}
|