multithread_win32.c
资源名称:tcpmp.rar [点击查看]
上传用户:wstnjxml
上传日期:2014-04-03
资源大小:7248k
文件大小:4k
源码类别:
Windows CE
开发平台:
C/C++
- /*****************************************************************************
- *
- * This program is free software ; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
- *
- * $Id: multithread_win32.c 343 2005-11-16 20:11:07Z picard $
- *
- * The Core Pocket Media Player
- * Copyright (c) 2004-2005 Gabor Kovacs
- *
- ****************************************************************************/
- #include "../common.h"
- #if defined(TARGET_WIN32) || defined(TARGET_WINCE)
- //#define LOCK_TIMEOUT
- #ifndef STRICT
- #define STRICT
- #endif
- #include <windows.h>
- #if defined(TARGET_WINCE)
- extern BOOL (WINAPI* FuncCeSetThreadQuantum)(HANDLE, DWORD);
- #endif
- void* LockCreate()
- {
- #ifndef LOCK_TIMEOUT
- void* p = malloc(sizeof(CRITICAL_SECTION));
- InitializeCriticalSection((LPCRITICAL_SECTION)p);
- return p;
- #else
- return CreateMutex(NULL,FALSE,NULL);
- #endif
- }
- void LockDelete(void* p)
- {
- if (p)
- {
- #ifndef LOCK_TIMEOUT
- DeleteCriticalSection((LPCRITICAL_SECTION)p);
- free(p);
- #else
- CloseHandle(p);
- #endif
- }
- }
- void LockEnter(void* p)
- {
- if (p)
- #ifndef LOCK_TIMEOUT
- EnterCriticalSection((LPCRITICAL_SECTION)p);
- #else
- while (WaitForSingleObject(p,3000)==WAIT_TIMEOUT)
- DebugBreak();
- #endif
- }
- void LockLeave(void* p)
- {
- if (p)
- #ifndef LOCK_TIMEOUT
- LeaveCriticalSection((LPCRITICAL_SECTION)p);
- #else
- ReleaseMutex(p);
- #endif
- }
- int ThreadPriority(void* Thread,int Priority)
- {
- int Old;
- if (!Thread) Thread = GetCurrentThread();
- Old = GetThreadPriority(Thread);
- #if defined(TARGET_WINCE)
- Priority = THREAD_PRIORITY_NORMAL + Priority;
- if (Priority > THREAD_PRIORITY_IDLE)
- Priority = THREAD_PRIORITY_IDLE;
- if (Priority < THREAD_PRIORITY_TIME_CRITICAL)
- Priority = THREAD_PRIORITY_TIME_CRITICAL;
- SetThreadPriority(Thread,Priority);
- if (FuncCeSetThreadQuantum)
- {
- if (Old == THREAD_PRIORITY_TIME_CRITICAL && Priority != THREAD_PRIORITY_TIME_CRITICAL)
- FuncCeSetThreadQuantum(Thread,25);
- if (Old != THREAD_PRIORITY_TIME_CRITICAL && Priority == THREAD_PRIORITY_TIME_CRITICAL)
- FuncCeSetThreadQuantum(Thread,250);
- }
- return Old - THREAD_PRIORITY_NORMAL;
- #else
- Priority = THREAD_PRIORITY_NORMAL - Priority;
- if (Priority < THREAD_PRIORITY_IDLE)
- Priority = THREAD_PRIORITY_IDLE;
- if (Priority > THREAD_PRIORITY_TIME_CRITICAL)
- Priority = THREAD_PRIORITY_TIME_CRITICAL;
- SetThreadPriority(Thread,Priority);
- return -(Old - THREAD_PRIORITY_NORMAL);
- #endif
- }
- bool_t EventWait(void* Handle,int Time) { return WaitForSingleObject(Handle,Time) == WAIT_OBJECT_0; } // -1 = INFINITE
- void* EventCreate(bool_t ManualReset,bool_t InitState) { return CreateEvent(NULL,ManualReset,InitState,NULL); }
- void EventSet(void* Handle) { SetEvent(Handle); }
- void EventReset(void* Handle) { ResetEvent(Handle); }
- void EventClose(void* Handle) { CloseHandle(Handle); }
- int ThreadId() { return GetCurrentThreadId(); }
- void ThreadSleep(int Time) { Sleep(Time); }
- void ThreadTerminate(void* Handle)
- {
- if (Handle && WaitForSingleObject(Handle,5000) == WAIT_TIMEOUT)
- TerminateThread(Handle,0);
- }
- void* ThreadCreate(int(*Start)(void*),void* Parameter,int Quantum)
- {
- DWORD Id;
- HANDLE Handle = CreateThread(NULL,0,(LPTHREAD_START_ROUTINE)Start,Parameter,0,&Id);
- #if defined(TARGET_WINCE)
- if (FuncCeSetThreadQuantum)
- FuncCeSetThreadQuantum(Handle,Quantum);
- #endif
- return Handle;
- }
- #endif