108 lines
2.4 KiB
C
108 lines
2.4 KiB
C
/**
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* WinPR: Windows Portable Runtime
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* Thread Pool API (Pool)
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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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#ifdef _WIN32
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static BOOL module_initialized = FALSE;
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static BOOL module_available = FALSE;
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static HMODULE kernel32_module = NULL;
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static PTP_POOL (WINAPI * pCreateThreadpool)(PVOID reserved);
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static VOID (WINAPI * pCloseThreadpool)(PTP_POOL ptpp);
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static VOID (WINAPI * pSetThreadpoolThreadMaximum)(PTP_POOL ptpp, DWORD cthrdMost);
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static BOOL (WINAPI * pSetThreadpoolThreadMinimum)(PTP_POOL ptpp, DWORD cthrdMic);
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static void module_init()
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{
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if (module_initialized)
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return;
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kernel32_module = LoadLibraryA("kernel32.dll");
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if (!kernel32_module)
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return;
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module_available = TRUE;
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pCreateThreadpool = (void*) GetProcAddress(kernel32_module, "CreateThreadpool");
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pCloseThreadpool = (void*) GetProcAddress(kernel32_module, "CloseThreadpool");
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pSetThreadpoolThreadMaximum = (void*) GetProcAddress(kernel32_module, "SetThreadpoolThreadMaximum");
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pSetThreadpoolThreadMinimum = (void*) GetProcAddress(kernel32_module, "SetThreadpoolThreadMinimum");
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}
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#endif
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PTP_POOL CreateThreadpool(PVOID reserved)
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{
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#ifdef _WIN32
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module_init();
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if (pCreateThreadpool)
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return pCreateThreadpool(reserved);
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#endif
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return NULL;
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}
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VOID CloseThreadpool(PTP_POOL ptpp)
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{
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#ifdef _WIN32
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module_init();
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if (pCloseThreadpool)
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pCloseThreadpool(ptpp);
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#endif
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}
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VOID SetThreadpoolThreadMaximum(PTP_POOL ptpp, DWORD cthrdMost)
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{
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#ifdef _WIN32
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module_init();
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if (pSetThreadpoolThreadMaximum)
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pSetThreadpoolThreadMaximum(ptpp, cthrdMost);
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#endif
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}
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BOOL SetThreadpoolThreadMinimum(PTP_POOL ptpp, DWORD cthrdMic)
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{
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#ifdef _WIN32
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module_init();
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if (pSetThreadpoolThreadMinimum)
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pSetThreadpoolThreadMinimum(ptpp, cthrdMic);
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#endif
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return FALSE;
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}
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/* dummy */
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void winpr_pool_dummy()
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{
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}
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