Blame winpr/libwinpr/pool/callback.c

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/**
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 * WinPR: Windows Portable Runtime
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 * Thread Pool API (Callback)
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 *
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 * Copyright 2012 Marc-Andre Moreau <marcandre.moreau@gmail.com>
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 *
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 * Licensed under the Apache License, Version 2.0 (the "License");
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 * you may not use this file except in compliance with the License.
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 * You may obtain a copy of the License at
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 *
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 *     http://www.apache.org/licenses/LICENSE-2.0
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 *
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 * Unless required by applicable law or agreed to in writing, software
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 * distributed under the License is distributed on an "AS IS" BASIS,
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 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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 * See the License for the specific language governing permissions and
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 * limitations under the License.
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 */
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#ifdef HAVE_CONFIG_H
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#include "config.h"
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#endif
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#include <winpr/crt.h>
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#include <winpr/pool.h>
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#include <winpr/library.h>
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#ifdef WINPR_THREAD_POOL
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#ifdef _WIN32
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static INIT_ONCE init_once_module = INIT_ONCE_STATIC_INIT;
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static BOOL(WINAPI* pCallbackMayRunLong)(PTP_CALLBACK_INSTANCE pci);
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static BOOL CALLBACK init_module(PINIT_ONCE once, PVOID param, PVOID* context)
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{
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	HMODULE kernel32 = LoadLibraryA("kernel32.dll");
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	if (kernel32)
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	{
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		pCallbackMayRunLong = (void*)GetProcAddress(kernel32, "CallbackMayRunLong");
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	}
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	return TRUE;
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}
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#endif
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BOOL CallbackMayRunLong(PTP_CALLBACK_INSTANCE pci)
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{
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#ifdef _WIN32
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	InitOnceExecuteOnce(&init_once_module, init_module, NULL, NULL);
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	if (pCallbackMayRunLong)
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		return pCallbackMayRunLong(pci);
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#endif
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	/* No default implementation */
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	return FALSE;
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}
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#endif /* WINPR_THREAD_POOL defined */