mirror of
https://github.com/yuzu-emu/FasTC.git
synced 2024-11-24 09:55:51 +01:00
Add pthread module for threading.
This commit is contained in:
parent
4d52ea18ad
commit
920c947d55
@ -1,4 +1,4 @@
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CMAKE_MINIMUM_REQUIRED(VERSION 2.6)
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CMAKE_MINIMUM_REQUIRED(VERSION 2.8 FATAL_ERROR)
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PROJECT(TexC)
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PROJECT(TexC)
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ADD_SUBDIRECTORY(BPTCEncoder)
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ADD_SUBDIRECTORY(BPTCEncoder)
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@ -34,19 +34,44 @@ INCLUDE_DIRECTORIES( ${TexC_BINARY_DIR}/IO/include )
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INCLUDE_DIRECTORIES( ${TexC_SOURCE_DIR}/Core/include )
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INCLUDE_DIRECTORIES( ${TexC_SOURCE_DIR}/Core/include )
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SET( THREAD_API "None" )
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SET( THREAD_API "None" CACHE STRING "API used to implement threading operations")
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SET( THREAD_APIS_AVAILABLE "None" )
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FIND_PACKAGE( Boost COMPONENTS thread system )
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FIND_PACKAGE( Boost COMPONENTS thread system )
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IF( Boost_FOUND )
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IF( Boost_FOUND )
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SET( THREAD_APIS_AVAILABLE ${THREAD_APIS_AVAILABLE} "Boost" )
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IF( THREAD_API MATCHES "None" )
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SET( THREAD_API "Boost" )
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ENDIF()
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ENDIF()
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FIND_PACKAGE( Threads )
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IF( CMAKE_USE_PTHREADS_INIT )
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SET( THREAD_APIS_AVAILABLE ${THREAD_APIS_AVAILABLE} "PThread" )
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IF( THREAD_API MATCHES "None" )
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SET( THREAD_API "Boost" )
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ENDIF()
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ENDIF()
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SET_PROPERTY( CACHE THREAD_API PROPERTY STRINGS ${THREAD_APIS_AVAILABLE} )
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IF( THREAD_API MATCHES "Boost")
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INCLUDE_DIRECTORIES( ${Boost_INCLUDE_DIR} )
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INCLUDE_DIRECTORIES( ${Boost_INCLUDE_DIR} )
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SET( THREAD_API "Boost" )
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SET( SOURCES ${SOURCES} "src/ThreadBoost.cpp" )
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SET( SOURCES ${SOURCES} "src/ThreadBoost.cpp" )
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LINK_DIRECTORIES( ${Boost_LIBRARY_DIR} )
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LINK_DIRECTORIES( ${Boost_LIBRARY_DIR} )
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ENDIF()
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ENDIF()
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IF( NOT THREAD_API MATCHES "None")
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IF( THREAD_API MATCHES "PThread" )
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SET( SOURCES ${SOURCES} "src/ThreadPThread.cpp" )
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ENDIF()
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IF( THREAD_API MATCHES "None")
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MESSAGE( FATAL_ERROR "Could not find suitable threading library." )
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ELSE()
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SET( SOURCES ${SOURCES} "src/Thread.cpp" )
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SET( SOURCES ${SOURCES} "src/Thread.cpp" )
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SET( SOURCES ${SOURCES} "src/ThreadGroup.cpp" )
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SET( SOURCES ${SOURCES} "src/ThreadGroup.cpp" )
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SET( SOURCES ${SOURCES} "src/WorkerQueue.cpp" )
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SET( SOURCES ${SOURCES} "src/WorkerQueue.cpp" )
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@ -54,8 +79,6 @@ IF( NOT THREAD_API MATCHES "None")
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SET( HEADERS ${HEADERS} "src/Thread.h" )
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SET( HEADERS ${HEADERS} "src/Thread.h" )
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SET( HEADERS ${HEADERS} "src/ThreadGroup.h" )
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SET( HEADERS ${HEADERS} "src/ThreadGroup.h" )
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SET( HEADERS ${HEADERS} "src/WorkerQueue.h" )
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SET( HEADERS ${HEADERS} "src/WorkerQueue.h" )
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ELSE()
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MESSAGE( FATAL_ERROR "Could not find suitable threading library." )
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ENDIF()
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ENDIF()
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ADD_LIBRARY( TexCompCore
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ADD_LIBRARY( TexCompCore
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@ -66,10 +89,14 @@ ADD_LIBRARY( TexCompCore
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TARGET_LINK_LIBRARIES( TexCompCore TexCompIO )
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TARGET_LINK_LIBRARIES( TexCompCore TexCompIO )
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TARGET_LINK_LIBRARIES( TexCompCore BPTCEncoder )
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TARGET_LINK_LIBRARIES( TexCompCore BPTCEncoder )
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IF( Boost_FOUND )
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IF( THREAD_API MATCHES "Boost" )
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TARGET_LINK_LIBRARIES( TexCompCore ${Boost_LIBRARIES} )
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TARGET_LINK_LIBRARIES( TexCompCore ${Boost_LIBRARIES} )
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ENDIF()
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ENDIF()
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IF( THREAD_API MATCHES "PThread" )
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TARGET_LINK_LIBRARIES( TexCompCore ${CMAKE_THREAD_LIBS_INIT} )
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ENDIF()
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IF( NOT WIN32 AND NOT APPLE )
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IF( NOT WIN32 AND NOT APPLE )
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TARGET_LINK_LIBRARIES( TexCompCore rt )
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TARGET_LINK_LIBRARIES( TexCompCore rt )
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ENDIF()
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ENDIF()
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249
Core/src/ThreadPThread.cpp
Normal file
249
Core/src/ThreadPThread.cpp
Normal file
@ -0,0 +1,249 @@
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#include "Thread.h"
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#include <assert.h>
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#include <string.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <pthread.h>
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#include <errno.h>
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static void ReportErrorAndExit(int err, const char *msg) {
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char errMsg[1024];
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sprintf(errMsg, "Thread error -- %s: ", msg);
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errno = err;
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perror(errMsg);
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exit(1);
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}
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////////////////////////////////////////////////////////////////////////////////
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//
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// Thread Implementation
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//
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////////////////////////////////////////////////////////////////////////////////
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class TCThreadImpl : public TCThreadBaseImpl {
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private:
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static void *RunThread(void *arg) {
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TCThreadImpl *impl = (TCThreadImpl *)arg;
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impl->m_Callable();
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return NULL;
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}
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pthread_t m_ThreadID;
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TCCallable &m_Callable;
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public:
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TCThreadImpl(TCCallable &callable) :
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m_Callable(callable)
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{
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int result = pthread_create(&m_ThreadID, NULL, RunThread, (void *)this);
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if(result != 0) {
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ReportErrorAndExit(result, "pthread_create");
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}
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}
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virtual ~TCThreadImpl() { }
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void Join() {
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void *status;
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int result = pthread_join(m_ThreadID, &status);
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if(result != 0) {
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ReportErrorAndExit(result, "pthread_join");
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}
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}
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};
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class TCThreadImplFactory : public TCThreadBaseImplFactory {
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TCCallable &m_Callable;
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public:
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TCThreadImplFactory(TCCallable &callable) : m_Callable(callable) { }
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virtual ~TCThreadImplFactory() { }
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virtual TCThreadBaseImpl *CreateImpl() const {
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return new TCThreadImpl(m_Callable);
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}
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};
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TCThread::TCThread(TCCallable &callable)
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: TCThreadBase(TCThreadImplFactory(callable))
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{ }
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void TCThread::Join() {
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CheckReferenceCount();
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((TCThreadImpl *)m_Impl)->Join();
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}
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void TCThread::Yield() {
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int result = pthread_yield();
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if(result != 0) {
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ReportErrorAndExit(result, "pthread_yield");
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}
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}
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////////////////////////////////////////////////////////////////////////////////
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//
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// Mutex Implementation
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//
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////////////////////////////////////////////////////////////////////////////////
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class TCMutexImpl : public TCThreadBaseImpl {
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private:
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pthread_mutex_t m_Mutex;
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public:
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pthread_mutex_t *GetMutex() { return &m_Mutex; }
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TCMutexImpl() : TCThreadBaseImpl() {
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int result = pthread_mutex_init( &m_Mutex, NULL );
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if(result != 0) {
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ReportErrorAndExit(result, "pthread_mutex_init");
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}
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}
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virtual ~TCMutexImpl() {
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int result = pthread_mutex_destroy( &m_Mutex );
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if(result != 0) {
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ReportErrorAndExit(result, "pthread_mutex_destroy");
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}
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}
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};
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class TCMutexImplFactory : public TCThreadBaseImplFactory {
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public:
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TCMutexImplFactory() { }
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virtual ~TCMutexImplFactory() { }
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virtual TCThreadBaseImpl *CreateImpl() const {
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return new TCMutexImpl();
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}
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};
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TCMutex::TCMutex() : TCThreadBase(TCMutexImplFactory())
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{ }
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////////////////////////////////////////////////////////////////////////////////
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//
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// Lock Implementation
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//
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////////////////////////////////////////////////////////////////////////////////
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class TCLockImpl : public TCThreadBaseImpl {
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private:
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pthread_mutex_t *const m_MutexPtr;
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public:
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TCLockImpl(TCMutex &mutex)
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: m_MutexPtr(((TCMutexImpl *)(mutex.m_Impl))->GetMutex())
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{
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int result = pthread_mutex_lock( m_MutexPtr );
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if(result != 0) {
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ReportErrorAndExit(result, "pthread_mutex_lock");
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}
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}
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virtual ~TCLockImpl() {
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int result = pthread_mutex_unlock( m_MutexPtr );
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if(result != 0) {
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ReportErrorAndExit(result, "pthread_mutex_unlock");
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}
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}
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pthread_mutex_t *GetMutexPtr() const { return m_MutexPtr; }
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};
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class TCLockImplFactory : public TCThreadBaseImplFactory {
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private:
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TCMutex &m_Mutex;
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public:
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TCLockImplFactory(TCMutex &mutex) : m_Mutex(mutex){ }
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virtual ~TCLockImplFactory() { }
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virtual TCThreadBaseImpl *CreateImpl() const {
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return new TCLockImpl(m_Mutex);
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}
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};
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TCLock::TCLock(TCMutex &mutex) : TCThreadBase(TCLockImplFactory(mutex))
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{ }
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////////////////////////////////////////////////////////////////////////////////
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//
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// Condition Variable Implementation
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//
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////////////////////////////////////////////////////////////////////////////////
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class TCConditionVariableImpl : public TCThreadBaseImpl {
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private:
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pthread_cond_t m_CV;
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public:
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TCConditionVariableImpl() {
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int result = pthread_cond_init( &m_CV, NULL );
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if(result != 0) {
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ReportErrorAndExit(result, "pthread_cond_init");
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}
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}
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virtual ~TCConditionVariableImpl() {
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int result = pthread_cond_destroy( &m_CV );
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if(result != 0) {
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ReportErrorAndExit(result, "pthread_cond_destroy");
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}
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}
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void Wait(TCLock &lock) {
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TCLockImpl *lockImpl = (TCLockImpl *)(lock.m_Impl);
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int result = pthread_cond_wait( &m_CV, lockImpl->GetMutexPtr() );
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if(result != 0) {
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ReportErrorAndExit( result, "pthread_cond_wait" );
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}
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}
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void NotifyOne() {
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int result = pthread_cond_signal( &m_CV );
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if(result != 0) {
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ReportErrorAndExit( result, "pthread_cond_signal" );
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}
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}
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void NotifyAll() {
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int result = pthread_cond_broadcast( &m_CV );
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if(result != 0) {
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ReportErrorAndExit( result, "pthread_cond_broadcast" );
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}
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}
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};
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class TCConditionVariableImplFactory : public TCThreadBaseImplFactory {
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public:
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TCConditionVariableImplFactory() { }
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virtual ~TCConditionVariableImplFactory() { }
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virtual TCThreadBaseImpl *CreateImpl() const {
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return new TCConditionVariableImpl();
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}
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};
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TCConditionVariable::TCConditionVariable()
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: TCThreadBase(TCConditionVariableImplFactory())
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{ }
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void TCConditionVariable::Wait(TCLock &lock) {
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CheckReferenceCount();
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TCConditionVariableImpl *impl = (TCConditionVariableImpl *)m_Impl;
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impl->Wait(lock);
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}
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void TCConditionVariable::NotifyOne() {
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CheckReferenceCount();
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TCConditionVariableImpl *impl = (TCConditionVariableImpl *)m_Impl;
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impl->NotifyOne();
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}
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void TCConditionVariable::NotifyAll() {
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CheckReferenceCount();
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TCConditionVariableImpl *impl = (TCConditionVariableImpl *)m_Impl;
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impl->NotifyAll();
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}
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