/**

 * WinPR: Windows Portable Runtime

 * Thread Pool API (Callback)

 *

 * Copyright 2012 Marc-Andre Moreau <marcandre.moreau@gmail.com>

 *

 * Licensed under the Apache License, Version 2.0 (the "License");

 * you may not use this file except in compliance with the License.

 * You may obtain a copy of the License at

 *

 *     http://www.apache.org/licenses/LICENSE-2.0

 *

 * Unless required by applicable law or agreed to in writing, software

 * distributed under the License is distributed on an "AS IS" BASIS,

 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.

 * See the License for the specific language governing permissions and

 * limitations under the License.

 */

#ifdef HAVE_CONFIG_H

#include "config.h"

#endif

#include <winpr/crt.h>

#include <winpr/pool.h>

#include <winpr/library.h>

#ifdef WINPR_THREAD_POOL

#ifdef _WIN32

static INIT_ONCE init_once_module = INIT_ONCE_STATIC_INIT;

static BOOL (WINAPI * pCallbackMayRunLong)(PTP_CALLBACK_INSTANCE pci);

static BOOL CALLBACK init_module(PINIT_ONCE once, PVOID param, PVOID *context)

{

	HMODULE kernel32 = LoadLibraryA("kernel32.dll");

	if (kernel32)

	{

		pCallbackMayRunLong = (void*)GetProcAddress(kernel32, "CallbackMayRunLong");

	}

	return TRUE;

}

#endif

BOOL CallbackMayRunLong(PTP_CALLBACK_INSTANCE pci)

{

#ifdef _WIN32

	InitOnceExecuteOnce(&init_once_module, init_module, NULL, NULL);

	if (pCallbackMayRunLong)

		return pCallbackMayRunLong(pci);

#endif

	/* No default implementation */

	return FALSE;

}

#endif /* WINPR_THREAD_POOL defined */