55 lines
1.6 KiB
C
55 lines
1.6 KiB
C
/**
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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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#include <winpr/config.h>
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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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typedef BOOL(WINAPI* pCallbackMayRunLong_t)(PTP_CALLBACK_INSTANCE pci);
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static INIT_ONCE init_once_module = INIT_ONCE_STATIC_INIT;
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static pCallbackMayRunLong_t pCallbackMayRunLong = NULL;
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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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pCallbackMayRunLong =
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GetProcAddressAs(kernel32, "CallbackMayRunLong", pCallbackMayRunLong_t);
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return TRUE;
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}
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#endif
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BOOL winpr_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 */
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