/* PCSX2 - PS2 Emulator for PCs * Copyright (C) 2002-2010 PCSX2 Dev Team * * PCSX2 is free software: you can redistribute it and/or modify it under the terms * of the GNU Lesser General Public License as published by the Free Software Found- * ation, either version 3 of the License, or (at your option) any later version. * * PCSX2 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 PCSX2. * If not, see . */ #include "../PrecompiledHeader.h" #include "PersistentThread.h" // We wont need this until we actually have this more then just stubbed out, so I'm commenting this out // to remove an unneeded dependency. //#include "x86emitter/tools.h" #if !defined(__LINUX__) && !defined(__WXMAC__) # pragma message( "LnxThreads.cpp should only be compiled by projects or makefiles targeted at Linux/Mac distros.") #else // Note: assuming multicore is safer because it forces the interlocked routines to use // the LOCK prefix. The prefix works on single core CPUs fine (but is slow), but not // having the LOCK prefix is very bad indeed. __forceinline void Threading::Sleep( int ms ) { usleep( 1000*ms ); } // For use in spin/wait loops, Acts as a hint to Intel CPUs and should, in theory // improve performance and reduce cpu power consumption. __forceinline void Threading::SpinWait() { // If this doesn't compile you can just comment it out (it only serves as a // performance hint and isn't required). __asm__ ( "pause" ); } __forceinline void Threading::EnableHiresScheduler() { // Don't know if linux has a customizable scheduler resolution like Windows (doubtful) } __forceinline void Threading::DisableHiresScheduler() { } u64 Threading::GetThreadTicksPerSecond() { // Returning 0 is like saying "I'm not supported yet!" return 0; } u64 Threading::GetThreadCpuTime() { // Get the cpu time for the current thread. Should be a measure of total time the // thread has used on the CPU (scaled by the value returned by GetThreadTicksPerSecond(), // which typically would be an OS-provided scalar or some sort). return 0; } u64 Threading::pxThread::GetCpuTime() const { // Get the cpu time for the thread belonging to this object. Use m_native_id and/or // m_native_handle to implement it. Return value should be a measure of total time the // thread has used on the CPU (scaled by the value returned by GetThreadTicksPerSecond(), // which typically would be an OS-provided scalar or some sort). return 0; } void Threading::pxThread::_platform_specific_OnStartInThread() { // Obtain linux-specific thread IDs or Handles here, which can be used to query // kernel scheduler performance information. } void Threading::pxThread::_platform_specific_OnCleanupInThread() { // Cleanup handles here, which were opened above. } void Threading::pxThread::_DoSetThreadName( const char* name ) { // dunno if linux has a feature for naming threads ...? } #endif