141 lines
3.6 KiB
C
141 lines
3.6 KiB
C
/**
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* WinPR: Windows Portable Runtime
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* Thread Pool API (Clean-up Group)
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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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#include "pool.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 PTP_CLEANUP_GROUP(WINAPI* pCreateThreadpoolCleanupGroup)();
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static VOID(WINAPI* pCloseThreadpoolCleanupGroupMembers)(PTP_CLEANUP_GROUP ptpcg,
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BOOL fCancelPendingCallbacks,
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PVOID pvCleanupContext);
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static VOID(WINAPI* pCloseThreadpoolCleanupGroup)(PTP_CLEANUP_GROUP ptpcg);
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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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pCreateThreadpoolCleanupGroup =
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(void*)GetProcAddress(kernel32, "CreateThreadpoolCleanupGroup");
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pCloseThreadpoolCleanupGroupMembers =
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(void*)GetProcAddress(kernel32, "CloseThreadpoolCleanupGroupMembers");
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pCloseThreadpoolCleanupGroup =
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(void*)GetProcAddress(kernel32, "CloseThreadpoolCleanupGroup");
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}
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return TRUE;
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}
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#endif
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PTP_CLEANUP_GROUP winpr_CreateThreadpoolCleanupGroup(void)
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{
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PTP_CLEANUP_GROUP cleanupGroup = NULL;
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#ifdef _WIN32
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InitOnceExecuteOnce(&init_once_module, init_module, NULL, NULL);
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if (pCreateThreadpoolCleanupGroup)
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return pCreateThreadpoolCleanupGroup();
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return cleanupGroup;
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#else
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cleanupGroup = (PTP_CLEANUP_GROUP)calloc(1, sizeof(TP_CLEANUP_GROUP));
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if (!cleanupGroup)
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return NULL;
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cleanupGroup->groups = ArrayList_New(FALSE);
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if (!cleanupGroup->groups)
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{
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free(cleanupGroup);
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return NULL;
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}
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return cleanupGroup;
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#endif
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}
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VOID winpr_SetThreadpoolCallbackCleanupGroup(PTP_CALLBACK_ENVIRON pcbe, PTP_CLEANUP_GROUP ptpcg,
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PTP_CLEANUP_GROUP_CANCEL_CALLBACK pfng)
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{
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pcbe->CleanupGroup = ptpcg;
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pcbe->CleanupGroupCancelCallback = pfng;
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#ifndef _WIN32
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pcbe->CleanupGroup->env = pcbe;
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#endif
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}
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VOID winpr_CloseThreadpoolCleanupGroupMembers(PTP_CLEANUP_GROUP ptpcg, BOOL fCancelPendingCallbacks,
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PVOID pvCleanupContext)
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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 (pCloseThreadpoolCleanupGroupMembers)
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{
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pCloseThreadpoolCleanupGroupMembers(ptpcg, fCancelPendingCallbacks, pvCleanupContext);
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return;
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}
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#else
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while (ArrayList_Count(ptpcg->groups) > 0)
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{
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PTP_WORK work = ArrayList_GetItem(ptpcg->groups, 0);
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winpr_CloseThreadpoolWork(work);
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}
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#endif
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}
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VOID winpr_CloseThreadpoolCleanupGroup(PTP_CLEANUP_GROUP ptpcg)
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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 (pCloseThreadpoolCleanupGroup)
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{
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pCloseThreadpoolCleanupGroup(ptpcg);
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return;
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}
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#else
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if (ptpcg && ptpcg->groups)
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ArrayList_Free(ptpcg->groups);
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if (ptpcg && ptpcg->env)
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ptpcg->env->CleanupGroup = NULL;
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free(ptpcg);
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#endif
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}
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#endif /* WINPR_THREAD_POOL defined */
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