openspades/Sources/Core/Thread.cpp
2013-08-18 16:18:06 +09:00

86 lines
1.4 KiB
C++

//
// Thread.cpp
// OpenSpades
//
// Created by yvt on 7/11/13.
// Copyright (c) 2013 yvt.jp. All rights reserved.
//
#include "Thread.h"
#include "../Imports/SDL.h"
#include "AutoLocker.h"
#include "Debug.h"
#include "ThreadLocalStorage.h"
namespace spades {
Thread::Thread():
runnable(NULL){
threadInfo = NULL;
}
Thread::Thread(IRunnable *r):
runnable(r){
threadInfo = NULL;
}
Thread::~Thread() {
}
void Thread::Start() {
AutoLocker locker(&lock);
if(threadInfo)
return;
threadInfo = SDL_CreateThread(InternalRunner, this);
}
void Thread::Join() {
SDL_Thread *th = NULL;
{
AutoLocker locker(&lock);
th = (SDL_Thread *)threadInfo;
if(!th)
return;
}
SDL_WaitThread(th, NULL);
}
bool Thread::IsAlive() {
return threadInfo != NULL;
}
int Thread::InternalRunner(void *th) {
try{
SPADES_MARK_FUNCTION();
Thread *self = (Thread *)th;
self->Run();
self->Quited();
}catch(const std::exception& ex){
printf("Exception in thread:\n%s\n", ex.what());
throw;
}catch(...){
printf("Exception in thread: unknown\n");
throw;
}
// call TLSs' destructors
::spades::ThreadExiting();
::spades::reflection::Backtrace::ThreadExiting();
return 0;
}
void Thread::Quited() {
AutoLocker locker(&lock);
threadInfo = NULL;
}
void Thread::Run() {
if(runnable)
runnable->Run();
}
}