2008-12-08 05:30:24 +00:00
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// Copyright (C) 2003-2008 Dolphin Project.
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// This program is free software: you can redistribute it and/or modify
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// it under the terms of the GNU General Public License as published by
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// the Free Software Foundation, version 2.0.
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// This program is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU General Public License 2.0 for more details.
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// A copy of the GPL 2.0 should have been included with the program.
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// If not, see http://www.gnu.org/licenses/
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// Official SVN repository and contact information can be found at
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// http://code.google.com/p/dolphin-emu/
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2009-02-22 21:16:12 +00:00
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#include "Setup.h"
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2008-12-08 05:30:24 +00:00
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#include "Thread.h"
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2009-02-22 21:16:12 +00:00
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// -----------------------------------------
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#ifdef SETUP_TIMER_WAITING
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// -----------------
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#include <windows.h>
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#include "ConsoleWindow.h"
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EventCallBack FunctionPointer[10];
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#endif
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// ------------------------
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2008-12-08 05:30:24 +00:00
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2009-01-09 12:10:02 +00:00
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#define THREAD_DEBUG 1
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2008-12-08 05:30:24 +00:00
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namespace Common
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{
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#ifdef _WIN32
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2009-02-20 22:04:52 +00:00
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void InitThreading()
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{
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// Nothing to do in Win32 build.
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}
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2008-12-08 05:30:24 +00:00
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CriticalSection::CriticalSection(int spincount)
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{
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if (spincount)
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{
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InitializeCriticalSectionAndSpinCount(§ion, spincount);
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}
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else
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{
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InitializeCriticalSection(§ion);
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}
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}
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CriticalSection::~CriticalSection()
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{
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DeleteCriticalSection(§ion);
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}
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void CriticalSection::Enter()
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{
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EnterCriticalSection(§ion);
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}
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bool CriticalSection::TryEnter()
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{
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2008-12-13 16:58:06 +00:00
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return TryEnterCriticalSection(§ion) ? true : false;
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2008-12-08 05:30:24 +00:00
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}
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void CriticalSection::Leave()
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{
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LeaveCriticalSection(§ion);
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}
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Thread::Thread(ThreadFunc function, void* arg)
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: m_hThread(NULL), m_threadId(0)
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{
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m_hThread = CreateThread(
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0, // Security attributes
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0, // Stack size
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function,
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arg,
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0,
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&m_threadId);
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}
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Thread::~Thread()
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{
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WaitForDeath();
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}
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2009-02-24 03:03:11 +00:00
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void Thread::WaitForDeath(const int _Wait)
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2008-12-08 05:30:24 +00:00
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{
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if (m_hThread)
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{
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2009-02-24 03:03:11 +00:00
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WaitForSingleObject(m_hThread, _Wait);
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2008-12-08 05:30:24 +00:00
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CloseHandle(m_hThread);
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m_hThread = NULL;
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}
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}
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void Thread::SetAffinity(int mask)
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{
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SetThreadAffinityMask(m_hThread, mask);
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}
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void Thread::SetCurrentThreadAffinity(int mask)
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{
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SetThreadAffinityMask(GetCurrentThread(), mask);
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}
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2009-02-22 21:16:12 +00:00
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//////////////////////////////////////////////////////////////////////////////////////////
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// Regular same thread loop based waiting
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// <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
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2008-12-08 05:30:24 +00:00
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Event::Event()
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{
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m_hEvent = 0;
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2009-02-22 21:16:12 +00:00
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#ifdef SETUP_TIMER_WAITING
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DoneWaiting = false;
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StartWait = false;
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hTimer = NULL;
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hTimerQueue = NULL;
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#endif
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2008-12-08 05:30:24 +00:00
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}
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void Event::Init()
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{
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m_hEvent = CreateEvent(NULL, FALSE, FALSE, NULL);
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}
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void Event::Shutdown()
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{
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CloseHandle(m_hEvent);
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m_hEvent = 0;
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}
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void Event::Set()
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{
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SetEvent(m_hEvent);
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}
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void Event::Wait()
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{
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2009-02-23 20:52:52 +00:00
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WaitForSingleObject(m_hEvent, INFINITE);
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2008-12-08 05:30:24 +00:00
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}
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2009-02-22 22:49:42 +00:00
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inline HRESULT MsgWaitForSingleObject(HANDLE handle, DWORD timeout)
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{
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return MsgWaitForMultipleObjects(1, &handle, FALSE, timeout, 0);
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}
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void Event::MsgWait()
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{
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// Adapted from MSDN example http://msdn.microsoft.com/en-us/library/ms687060.aspx
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while (true)
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{
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DWORD result;
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MSG msg;
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// Read all of the messages in this next loop,
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// removing each message as we read it.
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while (PeekMessage(&msg, NULL, 0, 0, PM_REMOVE))
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{
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// If it is a quit message, exit.
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if (msg.message == WM_QUIT)
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return;
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// Otherwise, dispatch the message.
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DispatchMessage(&msg);
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}
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// Wait for any message sent or posted to this queue
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// or for one of the passed handles be set to signaled.
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2009-02-23 00:15:19 +00:00
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result = MsgWaitForSingleObject(m_hEvent, THREAD_WAIT_TIMEOUT);
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2009-02-22 22:49:42 +00:00
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// The result tells us the type of event we have.
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if (result == (WAIT_OBJECT_0 + 1))
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{
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// New messages have arrived.
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// Continue to the top of the always while loop to
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// dispatch them and resume waiting.
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continue;
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}
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else
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{
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// result == WAIT_OBJECT_0
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// Our event got signaled
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return;
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}
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}
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}
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2009-02-22 21:16:12 +00:00
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/////////////////////////////////////
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//////////////////////////////////////////////////////////////////////////////////////////
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/* Separate thread timer based waiting, instead of same thread loop waiting. The downside with this
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is that it's less convenient to use because we can't stall any threads with a loop. The positive
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is that we don't cause these incredibly annoying WaitForEternity() hangings. */
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// <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
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#ifdef SETUP_TIMER_WAITING
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/* I could not figure out how to place this in the class to, CreateTimerQueueTimer() would complain
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about some kind of type casting, anyone have any ideas about how to do it? */
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VOID CALLBACK TimerRoutine(PVOID lpParam, BOOLEAN TimerOrWaitFired)
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{
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if (lpParam == NULL)
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{
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Console::Print("TimerRoutine lpParam is NULL\n");
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}
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else
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{
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// lpParam points to the argument; in this case it is an int
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//Console::Print("Timer[%i] will call back\n", *(int*)lpParam);
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}
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// Call back
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int Id = *(int*)lpParam;
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if (FunctionPointer[Id]) FunctionPointer[Id]();
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}
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// Create a timer that will call back to the calling function
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bool Event::TimerWait(EventCallBack WaitCB, int _Id, bool OptCondition)
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{
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Id = _Id;
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//Console::Print("TimerWait[%i]: %i %i %i\n", Id, StartWait, DoneWaiting, OptCondition);
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FunctionPointer[Id] = WaitCB;
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// This means we are done waiting, so we wont call back again, and we also reset the variables for this Event
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if (DoneWaiting && OptCondition)
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{
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StartWait = false;
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DoneWaiting = false;
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FunctionPointer[Id] = NULL;
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// Delete all timers in the timer queue.
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if (!DeleteTimerQueue(hTimerQueue))
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Console::Print("DeleteTimerQueue failed (%d)\n", GetLastError());
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hTimer = NULL;
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hTimerQueue = NULL;
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return true;
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}
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// Else start a new callback timer
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StartWait = true;
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// Create the timer queue if needed
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if (!hTimerQueue)
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{
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hTimerQueue = CreateTimerQueue();
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if (NULL == hTimerQueue)
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{
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Console::Print("CreateTimerQueue failed (%d)\n", GetLastError());
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return false;
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}
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}
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// Set a timer to call the timer routine in 10 seconds.
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if (!CreateTimerQueueTimer( &hTimer, hTimerQueue,
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(WAITORTIMERCALLBACK)TimerRoutine, &Id , 10, 0, 0))
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{
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Console::Print("CreateTimerQueueTimer failed (%d)\n", GetLastError());
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return false;
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}
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return false;
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}
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// Check if we are done or not
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bool Event::DoneWait()
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{
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if (StartWait && DoneWaiting)
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return true;
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else
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return false;
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}
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// Tells the timer that we are done waiting
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void Event::SetTimer()
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{
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// We can not be done before we have started waiting
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if (StartWait) DoneWaiting = true;
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}
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#endif
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////////////////////////////////////////
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//////////////////////////////////////////////////////////////////////////////////////////
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// Supporting functions
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// <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
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2008-12-08 05:30:24 +00:00
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void SleepCurrentThread(int ms)
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{
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Sleep(ms);
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}
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typedef struct tagTHREADNAME_INFO
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{
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DWORD dwType; // must be 0x1000
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LPCSTR szName; // pointer to name (in user addr space)
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DWORD dwThreadID; // thread ID (-1=caller thread)
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DWORD dwFlags; // reserved for future use, must be zero
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} THREADNAME_INFO;
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// Usage: SetThreadName (-1, "MainThread");
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//
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// Sets the debugger-visible name of the current thread.
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// Uses undocumented (actually, it is now documented) trick.
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// http://msdn.microsoft.com/library/default.asp?url=/library/en-us/vsdebug/html/vxtsksettingthreadname.asp
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void SetCurrentThreadName(const TCHAR* szThreadName)
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{
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THREADNAME_INFO info;
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info.dwType = 0x1000;
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#ifdef UNICODE
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//TODO: Find the proper way to do this.
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char tname[256];
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unsigned int i;
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for (i = 0; i < _tcslen(szThreadName); i++)
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{
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tname[i] = (char)szThreadName[i]; //poor man's unicode->ansi, TODO: fix
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}
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tname[i] = 0;
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info.szName = tname;
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#else
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info.szName = szThreadName;
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#endif
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info.dwThreadID = -1; //dwThreadID;
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info.dwFlags = 0;
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__try
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{
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RaiseException(0x406D1388, 0, sizeof(info) / sizeof(DWORD), (ULONG_PTR*)&info);
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}
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__except(EXCEPTION_CONTINUE_EXECUTION)
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|
|
|
|
{}
|
|
|
|
|
}
|
|
|
|
|
// TODO: check if ever inline
|
|
|
|
|
LONG SyncInterlockedIncrement(LONG *Dest)
|
|
|
|
|
{
|
|
|
|
|
return InterlockedIncrement(Dest);
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
LONG SyncInterlockedExchangeAdd(LONG *Dest, LONG Val)
|
|
|
|
|
{
|
|
|
|
|
return InterlockedExchangeAdd(Dest, Val);
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
LONG SyncInterlockedExchange(LONG *Dest, LONG Val)
|
|
|
|
|
{
|
|
|
|
|
return InterlockedExchange(Dest, Val);
|
|
|
|
|
}
|
2009-02-22 21:16:12 +00:00
|
|
|
|
////////////////////////////////////////
|
|
|
|
|
|
2008-12-08 05:30:24 +00:00
|
|
|
|
|
2009-01-09 12:10:02 +00:00
|
|
|
|
#else // !WIN32, so must be POSIX threads
|
|
|
|
|
|
|
|
|
|
pthread_key_t threadname_key;
|
|
|
|
|
|
2008-12-08 05:30:24 +00:00
|
|
|
|
CriticalSection::CriticalSection(int spincount_unused)
|
|
|
|
|
{
|
2009-01-09 12:10:02 +00:00
|
|
|
|
pthread_mutex_init(&mutex, NULL);
|
2008-12-08 05:30:24 +00:00
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
CriticalSection::~CriticalSection()
|
|
|
|
|
{
|
|
|
|
|
pthread_mutex_destroy(&mutex);
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
void CriticalSection::Enter()
|
|
|
|
|
{
|
2009-01-09 12:10:02 +00:00
|
|
|
|
int ret = pthread_mutex_lock(&mutex);
|
|
|
|
|
if (ret) fprintf(stderr, "%s: pthread_mutex_lock(%p) failed: %s\n",
|
|
|
|
|
__FUNCTION__, &mutex, strerror(ret));
|
2008-12-08 05:30:24 +00:00
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
bool CriticalSection::TryEnter()
|
|
|
|
|
{
|
|
|
|
|
return(!pthread_mutex_trylock(&mutex));
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
void CriticalSection::Leave()
|
|
|
|
|
{
|
2009-01-09 12:10:02 +00:00
|
|
|
|
int ret = pthread_mutex_unlock(&mutex);
|
|
|
|
|
if (ret) fprintf(stderr, "%s: pthread_mutex_unlock(%p) failed: %s\n",
|
|
|
|
|
__FUNCTION__, &mutex, strerror(ret));
|
2008-12-08 05:30:24 +00:00
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
Thread::Thread(ThreadFunc function, void* arg)
|
|
|
|
|
: thread_id(0)
|
|
|
|
|
{
|
|
|
|
|
pthread_attr_t attr;
|
|
|
|
|
pthread_attr_init(&attr);
|
|
|
|
|
pthread_attr_setstacksize(&attr, 1024 * 1024);
|
2009-01-09 12:10:02 +00:00
|
|
|
|
int ret = pthread_create(&thread_id, &attr, function, arg);
|
|
|
|
|
if (ret) fprintf(stderr, "%s: pthread_create(%p, %p, %p, %p) failed: %s\n",
|
|
|
|
|
__FUNCTION__, &thread_id, &attr, function, arg, strerror(ret));
|
|
|
|
|
|
|
|
|
|
#ifdef THREAD_DEBUG
|
2009-01-11 13:05:43 +00:00
|
|
|
|
fprintf(stderr, "created new thread %lu (func=%p, arg=%p)\n", thread_id, function, arg);
|
2009-01-09 12:10:02 +00:00
|
|
|
|
#endif
|
2008-12-08 05:30:24 +00:00
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
Thread::~Thread()
|
|
|
|
|
{
|
|
|
|
|
WaitForDeath();
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
2009-02-24 05:20:52 +00:00
|
|
|
|
void Thread::WaitForDeath()
|
2008-12-08 05:30:24 +00:00
|
|
|
|
{
|
|
|
|
|
if (thread_id)
|
|
|
|
|
{
|
|
|
|
|
void* exit_status;
|
2009-01-09 12:10:02 +00:00
|
|
|
|
int ret = pthread_join(thread_id, &exit_status);
|
2009-01-11 13:05:43 +00:00
|
|
|
|
if (ret) fprintf(stderr, "error joining thread %lu: %s\n", thread_id, strerror(ret));
|
2009-01-09 12:10:02 +00:00
|
|
|
|
if (exit_status)
|
2009-01-11 13:25:05 +00:00
|
|
|
|
fprintf(stderr, "thread %lu exited with status %d\n", thread_id, *(int *)exit_status);
|
2008-12-08 05:30:24 +00:00
|
|
|
|
thread_id = 0;
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
void Thread::SetAffinity(int mask)
|
|
|
|
|
{
|
|
|
|
|
// This is non-standard
|
|
|
|
|
#ifdef __linux__
|
|
|
|
|
cpu_set_t cpu_set;
|
|
|
|
|
CPU_ZERO(&cpu_set);
|
|
|
|
|
|
|
|
|
|
for (unsigned int i = 0; i < sizeof(mask) * 8; i++)
|
|
|
|
|
{
|
|
|
|
|
if ((mask >> i) & 1){CPU_SET(i, &cpu_set);}
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
pthread_setaffinity_np(thread_id, sizeof(cpu_set), &cpu_set);
|
|
|
|
|
#endif
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
void Thread::SetCurrentThreadAffinity(int mask)
|
|
|
|
|
{
|
|
|
|
|
#ifdef __linux__
|
|
|
|
|
cpu_set_t cpu_set;
|
|
|
|
|
CPU_ZERO(&cpu_set);
|
|
|
|
|
|
|
|
|
|
for (size_t i = 0; i < sizeof(mask) * 8; i++)
|
|
|
|
|
{
|
|
|
|
|
if ((mask >> i) & 1){CPU_SET(i, &cpu_set);}
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
pthread_setaffinity_np(pthread_self(), sizeof(cpu_set), &cpu_set);
|
|
|
|
|
#endif
|
|
|
|
|
}
|
|
|
|
|
|
2009-01-09 12:10:02 +00:00
|
|
|
|
void InitThreading() {
|
|
|
|
|
static int thread_init_done = 0;
|
2009-02-20 22:04:52 +00:00
|
|
|
|
if (thread_init_done)
|
|
|
|
|
return;
|
2009-01-09 12:10:02 +00:00
|
|
|
|
|
|
|
|
|
if (pthread_key_create(&threadname_key, NULL/*free*/) != 0)
|
|
|
|
|
perror("Unable to create thread name key: ");
|
2009-02-20 22:04:52 +00:00
|
|
|
|
|
|
|
|
|
thread_init_done++;
|
2009-01-09 12:10:02 +00:00
|
|
|
|
}
|
2008-12-08 05:30:24 +00:00
|
|
|
|
|
|
|
|
|
void SleepCurrentThread(int ms)
|
|
|
|
|
{
|
|
|
|
|
usleep(1000 * ms);
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
void SetCurrentThreadName(const TCHAR* szThreadName)
|
|
|
|
|
{
|
2009-01-09 12:10:02 +00:00
|
|
|
|
pthread_setspecific(threadname_key, strdup(szThreadName));
|
|
|
|
|
#ifdef THREAD_DEBUG
|
|
|
|
|
fprintf(stderr, "%s(%s)\n", __FUNCTION__, szThreadName);
|
|
|
|
|
#endif
|
2008-12-08 05:30:24 +00:00
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
Event::Event()
|
|
|
|
|
{
|
|
|
|
|
is_set_ = false;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
void Event::Init()
|
|
|
|
|
{
|
|
|
|
|
pthread_cond_init(&event_, 0);
|
|
|
|
|
pthread_mutex_init(&mutex_, 0);
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
void Event::Shutdown()
|
|
|
|
|
{
|
|
|
|
|
pthread_mutex_destroy(&mutex_);
|
|
|
|
|
pthread_cond_destroy(&event_);
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
void Event::Set()
|
|
|
|
|
{
|
|
|
|
|
pthread_mutex_lock(&mutex_);
|
|
|
|
|
|
|
|
|
|
if (!is_set_)
|
|
|
|
|
{
|
|
|
|
|
is_set_ = true;
|
|
|
|
|
pthread_cond_signal(&event_);
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
pthread_mutex_unlock(&mutex_);
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
void Event::Wait()
|
|
|
|
|
{
|
|
|
|
|
pthread_mutex_lock(&mutex_);
|
|
|
|
|
|
|
|
|
|
while (!is_set_)
|
|
|
|
|
{
|
|
|
|
|
pthread_cond_wait(&event_, &mutex_);
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
is_set_ = false;
|
|
|
|
|
pthread_mutex_unlock(&mutex_);
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
LONG SyncInterlockedIncrement(LONG *Dest)
|
|
|
|
|
{
|
|
|
|
|
#if defined(__GNUC__) && defined (__GNUC_MINOR__) && ((4 < __GNUC__) || (4 == __GNUC__ && 1 <= __GNUC_MINOR__))
|
|
|
|
|
return __sync_add_and_fetch(Dest, 1);
|
|
|
|
|
#else
|
|
|
|
|
register int result;
|
|
|
|
|
__asm__ __volatile__("lock; xadd %0,%1"
|
|
|
|
|
: "=r" (result), "=m" (*Dest)
|
|
|
|
|
: "0" (1), "m" (*Dest)
|
|
|
|
|
: "memory");
|
|
|
|
|
return result;
|
|
|
|
|
#endif
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
LONG SyncInterlockedExchangeAdd(LONG *Dest, LONG Val)
|
|
|
|
|
{
|
|
|
|
|
#if defined(__GNUC__) && defined (__GNUC_MINOR__) && ((4 < __GNUC__) || (4 == __GNUC__ && 1 <= __GNUC_MINOR__))
|
|
|
|
|
return __sync_add_and_fetch(Dest, Val);
|
|
|
|
|
#else
|
|
|
|
|
register int result;
|
|
|
|
|
__asm__ __volatile__("lock; xadd %0,%1"
|
|
|
|
|
: "=r" (result), "=m" (*Dest)
|
|
|
|
|
: "0" (Val), "m" (*Dest)
|
|
|
|
|
: "memory");
|
|
|
|
|
return result;
|
|
|
|
|
#endif
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
LONG SyncInterlockedExchange(LONG *Dest, LONG Val)
|
|
|
|
|
{
|
|
|
|
|
#if defined(__GNUC__) && defined (__GNUC_MINOR__) && ((4 < __GNUC__) || (4 == __GNUC__ && 1 <= __GNUC_MINOR__))
|
|
|
|
|
return __sync_lock_test_and_set(Dest, Val);
|
|
|
|
|
#else
|
|
|
|
|
register int result;
|
|
|
|
|
__asm__ __volatile__("lock; xchg %0,%1"
|
|
|
|
|
: "=r" (result), "=m" (*Dest)
|
|
|
|
|
: "0" (Val), "m" (*Dest)
|
|
|
|
|
: "memory");
|
|
|
|
|
return result;
|
|
|
|
|
#endif
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
#endif
|
|
|
|
|
|
|
|
|
|
} // end of namespace Common
|