Replace SimpleThread by JThread now implementing same features

src/client.cpp

@@ -177,7 +177,7 @@ void * MeshUpdateThread::Thread()
 
 	BEGIN_DEBUG_EXCEPTION_HANDLER
 
-	while(getRun())
+	while(!StopRequested())
 	{
 		/*// Wait for output queue to flush.
 		// Allow 2 in queue, this makes less frametime jitter.
@@ -302,9 +302,8 @@ Client::~Client()
 		m_con.Disconnect();
 	}
 
-	m_mesh_update_thread.setRun(false);
-	while(m_mesh_update_thread.IsRunning())
-		sleep_ms(100);
+	m_mesh_update_thread.Stop();
+	m_mesh_update_thread.Wait();
 	while(!m_mesh_update_thread.m_queue_out.empty()) {
 		MeshUpdateResult r = m_mesh_update_thread.m_queue_out.pop_front();
 		delete r.mesh;

src/client.h

@@ -103,7 +103,7 @@ struct MeshUpdateResult
 	}
 };
 
-class MeshUpdateThread : public SimpleThread
+class MeshUpdateThread : public JThread
 {
 public:
 

src/connection.cpp

@@ -556,7 +556,7 @@ Connection::Connection(u32 protocol_id, u32 max_packet_size, float timeout,
 
 Connection::~Connection()
 {
-	stop();
+	Stop();
 	// Delete peers
 	for(std::map<u16, Peer*>::iterator
 			j = m_peers.begin();
@@ -578,7 +578,7 @@ void * Connection::Thread()
 	u32 curtime = porting::getTimeMs();
 	u32 lasttime = curtime;
 
-	while(getRun())
+	while(!StopRequested())
 	{
 		BEGIN_DEBUG_EXCEPTION_HANDLER
 

src/connection.h

@@ -450,11 +450,11 @@ struct ConnectionEvent
 			return "CONNEVENT_NONE";
 		case CONNEVENT_DATA_RECEIVED:
 			return "CONNEVENT_DATA_RECEIVED";
-		case CONNEVENT_PEER_ADDED: 
+		case CONNEVENT_PEER_ADDED:
 			return "CONNEVENT_PEER_ADDED";
-		case CONNEVENT_PEER_REMOVED: 
+		case CONNEVENT_PEER_REMOVED:
 			return "CONNEVENT_PEER_REMOVED";
-		case CONNEVENT_BIND_FAILED: 
+		case CONNEVENT_BIND_FAILED:
 			return "CONNEVENT_BIND_FAILED";
 		}
 		return "Invalid ConnectionEvent";
@@ -544,7 +544,7 @@ struct ConnectionCommand
 	}
 };
 
-class Connection: public SimpleThread
+class Connection: public JThread
 {
 public:
 	Connection(u32 protocol_id, u32 max_packet_size, float timeout, bool ipv6);

src/emerge.cpp

@@ -47,7 +47,7 @@ with this program; if not, write to the Free Software Foundation, Inc.,
 #include "mapgen_math.h"
 
 
-class EmergeThread : public SimpleThread
+class EmergeThread : public JThread
 {
 public:
 	Server *m_server;
@@ -61,26 +61,17 @@ class EmergeThread : public SimpleThread
 	std::queue<v3s16> blockqueue;
 
 	EmergeThread(Server *server, int ethreadid):
-		SimpleThread(),
+		JThread(),
 		m_server(server),
 		map(NULL),
 		emerge(NULL),
 		mapgen(NULL),
+		enable_mapgen_debug_info(false),
 		id(ethreadid)
 	{
 	}
 
 	void *Thread();
-
-	void trigger()
-	{
-		setRun(true);
-		if(IsRunning() == false)
-		{
-			Start();
-		}
-	}
-
 	bool popBlockEmerge(v3s16 *pos, u8 *flags);
 	bool getBlockOrStartGen(v3s16 p, MapBlock **b,
 			BlockMakeData *data, bool allow_generate);
@@ -137,9 +128,9 @@ EmergeManager::EmergeManager(IGameDef *gamedef) {
 
 EmergeManager::~EmergeManager() {
 	for (unsigned int i = 0; i != emergethread.size(); i++) {
-		emergethread[i]->setRun(false);
+		emergethread[i]->Stop();
 		emergethread[i]->qevent.signal();
-		emergethread[i]->stop();
+		emergethread[i]->Wait();
 		delete emergethread[i];
 		delete mapgen[i];
 	}
@@ -261,9 +252,9 @@ Mapgen *EmergeManager::getCurrentMapgen() {
 }
 
 
-void EmergeManager::triggerAllThreads() {
+void EmergeManager::startAllThreads() {
 	for (unsigned int i = 0; i != emergethread.size(); i++)
-		emergethread[i]->trigger();
+		emergethread[i]->Start();
 }
 
 
@@ -499,7 +490,7 @@ void *EmergeThread::Thread() {
 	mapgen = emerge->mapgen[id];
 	enable_mapgen_debug_info = emerge->mapgen_debug_info;
 
-	while (getRun())
+	while (!StopRequested())
 	try {
 		if (!popBlockEmerge(&p, &flags)) {
 			qevent.wait();

src/emerge.h

@@ -119,7 +119,7 @@ class EmergeManager : public IBackgroundBlockEmerger {
 	Mapgen *createMapgen(std::string mgname, int mgid,
 						MapgenParams *mgparams);
 	MapgenParams *createMapgenParams(std::string mgname);
-	void triggerAllThreads();
+	void startAllThreads();
 	bool enqueueBlockEmerge(u16 peer_id, v3s16 p, bool allow_generate);
 
 	void registerMapgen(std::string name, MapgenFactory *mgfactory);

src/httpfetch.cpp

@@ -319,7 +319,7 @@ struct HTTPFetchOngoing
 	}
 };
 
-class CurlFetchThread : public SimpleThread
+class CurlFetchThread : public JThread
 {
 protected:
 	enum RequestType {
@@ -539,7 +539,6 @@ class CurlFetchThread : public SimpleThread
 
 	void * Thread()
 	{
-		ThreadStarted();
 		log_register_thread("CurlFetchThread");
 		DSTACK(__FUNCTION_NAME);
 
@@ -553,7 +552,7 @@ class CurlFetchThread : public SimpleThread
 
 		assert(m_all_ongoing.empty());
 
-		while (getRun()) {
+		while (!StopRequested()) {
 			BEGIN_DEBUG_EXCEPTION_HANDLER
 
 			/*
@@ -641,9 +640,9 @@ void httpfetch_cleanup()
 {
 	verbosestream<<"httpfetch_cleanup: cleaning up"<<std::endl;
 
-	g_httpfetch_thread->setRun(false);
+	g_httpfetch_thread->Stop();
 	g_httpfetch_thread->requestWakeUp();
-	g_httpfetch_thread->stop();
+	g_httpfetch_thread->Wait();
 	delete g_httpfetch_thread;
 
 	curl_global_cleanup();
@@ -652,8 +651,6 @@ void httpfetch_cleanup()
 void httpfetch_async(const HTTPFetchRequest &fetchrequest)
 {
 	g_httpfetch_thread->requestFetch(fetchrequest);
-	if (!g_httpfetch_thread->IsRunning())
-		g_httpfetch_thread->Start();
 }
 
 static void httpfetch_request_clear(unsigned long caller)

src/server.cpp

@@ -73,14 +73,14 @@ class ClientNotFoundException : public BaseException
 	{}
 };
 
-class ServerThread : public SimpleThread
+class ServerThread : public JThread
 {
 	Server *m_server;
 
 public:
 
 	ServerThread(Server *server):
-		SimpleThread(),
+		JThread(),
 		m_server(server)
 	{
 	}
@@ -98,7 +98,7 @@ void * ServerThread::Thread()
 
 	BEGIN_DEBUG_EXCEPTION_HANDLER
 
-	while(getRun())
+	while(!StopRequested())
 	{
 		try{
 			//TimeTaker timer("AsyncRunStep() + Receive()");
@@ -963,14 +963,13 @@ void Server::start(unsigned short port)
 	infostream<<"Starting server on port "<<port<<"..."<<std::endl;
 
 	// Stop thread if already running
-	m_thread->stop();
+	m_thread->Stop();
 
 	// Initialize connection
 	m_con.SetTimeoutMs(30);
 	m_con.Serve(port);
 
 	// Start thread
-	m_thread->setRun(true);
 	m_thread->Start();
 
 	// ASCII art for the win!
@@ -993,9 +992,9 @@ void Server::stop()
 	infostream<<"Server: Stopping and waiting threads"<<std::endl;
 
 	// Stop threads (set run=false first so both start stopping)
-	m_thread->setRun(false);
+	m_thread->Stop();
 	//m_emergethread.setRun(false);
-	m_thread->stop();
+	m_thread->Wait();
 	//m_emergethread.stop();
 
 	infostream<<"Server: Threads stopped"<<std::endl;
@@ -1682,7 +1681,7 @@ void Server::AsyncRunStep()
 		{
 			counter = 0.0;
 
-			m_emerge->triggerAllThreads();
+			m_emerge->startAllThreads();
 
 			// Update m_enable_rollback_recording here too
 			m_enable_rollback_recording =

src/util/thread.h

@@ -59,53 +59,9 @@ class MutexedVariable
 	JMutex m_mutex;
 };
 
-/*
-	A base class for simple background thread implementation
-*/
-
-class SimpleThread : public JThread
-{
-	bool run;
-	JMutex run_mutex;
-
-public:
-
-	SimpleThread():
-		JThread(),
-		run(true)
-	{
-	}
-
-	virtual ~SimpleThread()
-	{}
-
-	virtual void * Thread() = 0;
-
-	bool getRun()
-	{
-		JMutexAutoLock lock(run_mutex);
-		return run;
-	}
-	void setRun(bool a_run)
-	{
-		JMutexAutoLock lock(run_mutex);
-		run = a_run;
-	}
-
-	void stop()
-	{
-		setRun(false);
-		while(IsRunning())
-			sleep_ms(100);
-	}
-};
-
 /*
 	A single worker thread - multiple client threads queue framework.
 */
-
-
-
 template<typename Key, typename T, typename Caller, typename CallerData>
 class GetResult
 {