コード例 #1
0
ファイル: atomic_flag2.cpp プロジェクト: parsons-smith/CPP-11
void append_number(int x)
{
	while (lock_stream.test_and_set()) {
	}
	stream << "thread #" << x << '\n';
	lock_stream.clear();
}
コード例 #2
0
ファイル: main.cpp プロジェクト: Xackery/EQGZoneImporter
int main()
#endif
{
	gViewerThread = nullptr;
	gRunThread.clear();

	lua_State* L = luaL_newstate();
	luaL_openlibs(L);

	IupOpen(nullptr, nullptr);
	IupControlsOpen();
	iuplua_open(L);
	iupcontrolslua_open(L);

	TER::LoadFunctions(L);
	ZON::LoadFunctions(L);
	MOD::LoadFunctions(L);
	WLD::LoadFunctions(L);
	Viewer::LoadFunctions(L);
	Util::LoadFunctions(L);

	if (luaL_loadfile(L, "gui/main.lua") != 0)
	{
		ShowError("Could not load GUI script:\n%s\n", lua_tostring(L, -1));
	}
	else if (lua_pcall(L, 0, 0, 0) != 0)
	{
		ShowError("Runtime error:\n%s\n", lua_tostring(L, -1));
	}

	lua_close(L);
	return 0;
}
コード例 #3
0
ファイル: main.cpp プロジェクト: tomatolionz/cplusplus
void g(int n)
{
    using namespace std::chrono_literals;
    std::this_thread::sleep_for(2s);
    std::cout << "Thread " << n << " is going to clear the flag." << std::endl;
    lock.clear();                                                       // 解锁
}
コード例 #4
0
ファイル: pose_changer.cpp プロジェクト: jettan/robotutor
 /**
  * \param engine The script engine to control.
  * \param prefix The prefix to select behaviors from.
  * \param min The minimum time in milliseconds between two random poses.
  * \param max The maximum time in milliseconds between two random poses.
  */
 PoseChanger(ScriptEngine & engine, std::string prefix, unsigned int min = 2000, unsigned int max = 8000) :
     prefix(prefix),
     min(min),
     max(max),
     engine_(engine),
     timer_(engine_.ios())
 {
     started_.clear();
 }
コード例 #5
0
ファイル: pose_changer.cpp プロジェクト: jettan/robotutor
 /**
  * \param error The error that occured, if any.
  */
 void handleTimeout_(boost::system::error_code const & error) {
     if (!error) {
         std::cout << "Executing random behavior." << std::endl;
         if (!engine_.behavior.queued()) engine_.behavior.enqueueRandom(prefix);
         asyncWaitRandom_();
     } else {
         started_.clear();
     }
 }
コード例 #6
0
ファイル: Visualisation.cpp プロジェクト: mcnutty26/octoDrone
void step()
{
	while(lock_vis.test_and_set()){}
	for(auto i = elements->begin(); i != elements->end(); ++i)
	{
		if(i->step())
		{
			i = elements->erase(i);
			--i;
		}
	}
	lock_vis.clear();
}
コード例 #7
0
void robotPoseCallback(const wrecs_msgs::sf_state_est::ConstPtr& msg)
{
	if (!lock.test_and_set()) {
		for (int i = 0; i < 30; i++) {
			stored_msg.Joints[i] = msg->joints[i];
		}

		for (int i = 0; i < 3; i++) {
			stored_msg.ComEst[i] = msg->com_est[i];
		}

		for (int i = 0; i < 2; i++) {
			stored_msg.CopEst[i] = msg->cop_est[i];
		}


		stored_msg.FootBF0.X = msg->foot_b_F[0].x;
		stored_msg.FootBF0.Y = msg->foot_b_F[0].y;
		stored_msg.FootBF0.Z = msg->foot_b_F[0].z;

		stored_msg.FootBF1.X = msg->foot_b_F[1].x;
		stored_msg.FootBF1.Y = msg->foot_b_F[1].y;
		stored_msg.FootBF1.Z = msg->foot_b_F[1].z;

		stored_msg.SdfMidFoot0.Position.X = msg->sdf_mid_foot[0].position.x;
		stored_msg.SdfMidFoot0.Position.Y = msg->sdf_mid_foot[0].position.y;
		stored_msg.SdfMidFoot0.Position.Z = msg->sdf_mid_foot[0].position.z;

		stored_msg.SdfMidFoot0.Orientation.W = msg->sdf_mid_foot[0].orientation.w;
		stored_msg.SdfMidFoot0.Orientation.X = msg->sdf_mid_foot[0].orientation.x;
		stored_msg.SdfMidFoot0.Orientation.Y = msg->sdf_mid_foot[0].orientation.y;
		stored_msg.SdfMidFoot0.Orientation.Z = msg->sdf_mid_foot[0].orientation.z;

		stored_msg.SdfMidFoot1.Position.X = msg->sdf_mid_foot[1].position.x;
		stored_msg.SdfMidFoot1.Position.Y = msg->sdf_mid_foot[1].position.y;
		stored_msg.SdfMidFoot1.Position.Z = msg->sdf_mid_foot[1].position.z;

		stored_msg.SdfMidFoot1.Orientation.W = msg->sdf_mid_foot[1].orientation.w;
		stored_msg.SdfMidFoot1.Orientation.X = msg->sdf_mid_foot[1].orientation.x;
		stored_msg.SdfMidFoot1.Orientation.Y = msg->sdf_mid_foot[1].orientation.y;
		stored_msg.SdfMidFoot1.Orientation.Z = msg->sdf_mid_foot[1].orientation.z;

        newMessageArrived = true;

		lock.clear();
	}
}
コード例 #8
0
ファイル: nMediaInfo.cpp プロジェクト: Superxwolf/nModules
/// <summary>
/// Updates the cover art.
/// </summary>
void Update() {
  // Set while the updater thread is running.
  static std::atomic_flag closed = ATOMIC_FLAG_INIT;

  if (!closed.test_and_set()) {
    std::thread([] () {
      TextFunctions::_Update();
      SendMessage(gLSModule.GetMessageWindow(), WindowMessages::WM_TEXTUPDATENOTIFY, 0, 0);

      for (auto &coverArt : gCoverArt) {
        coverArt.second.Update();
      }

      closed.clear();
    }).detach();
  }
}
コード例 #9
0
ファイル: MIDriverMain.cpp プロジェクト: llvm-project/lldb
// CODETAG_IOR_SIGNALS
//++
// Details: The SIGINT signal is sent to a process by its controlling terminal
// when a
//          user wishes to interrupt the process. This is typically initiated by
//          pressing
//          Control-C, but on some systems, the "delete" character or "break"
//          key can be
//          used.
//          Be aware this function may be called on another thread besides the
//          main thread.
// Type:    Function.
// Args:    vSigno  - (R) Signal number.
// Return:  None.
// Throws:  None.
//--
void sigint_handler(int vSigno) {
#ifdef _WIN32 // Restore handler as it is not persistent on Windows
  signal(SIGINT, sigint_handler);
#endif
  static std::atomic_flag g_interrupt_sent = ATOMIC_FLAG_INIT;
  CMIDriverMgr &rDriverMgr = CMIDriverMgr::Instance();
  lldb::SBDebugger *pDebugger = rDriverMgr.DriverGetTheDebugger();
  if (pDebugger != nullptr) {
    if (!g_interrupt_sent.test_and_set()) {
      pDebugger->DispatchInputInterrupt();
      g_interrupt_sent.clear();
    }
  }

  // Send signal to driver so that it can take suitable action
  rDriverMgr.DeliverSignal(vSigno);
}
コード例 #10
0
ファイル: Visualisation.cpp プロジェクト: mcnutty26/octoDrone
void visLoop()
{
	running = true;
	while(running)
	{
		glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);

		while(lock_vis.test_and_set()){}
		for(auto i = elements->begin(); i != elements->end(); ++i)
		{
			i->draw();
		}
		lock_vis.clear();

		glfwSwapBuffers(window);
		glfwPollEvents();
	}
}
コード例 #11
0
/* Function: mdlOutputs =======================================================
 * Abstract:
 *    In this function, you compute the outputs of your S-function
 *    block.
 */
static void mdlOutputs(SimStruct *S, int_T tid)
{    
	real_T *isNew = (real_T *)ssGetOutputPortRealSignal(S, 0);
    SL_ROS_SUB_MSG *msg = (SL_ROS_SUB_MSG *)ssGetOutputPortSignal(S, 1);    
	int_T* busInfo = (int_T *)ssGetUserData(S);
    
    //mexPrintf("Acquiring lock...");
	while (lock.test_and_set());
    //mexPrintf("Acquired lock. Outputing message...");
    isNew[0] = (int)newMessageArrived;

    //memcpy(msg, &stored_msg, sizeof(SL_ROS_SUB_MSG));
    if (newMessageArrived) {
		*msg = stored_msg;
        
		/*Copy temporary structure into output bus*/
		/*(void)memcpy(msg + busInfo[0], stored_msg.Joints, busInfo[1]);
		(void)memcpy(msg + busInfo[2], stored_msg.ComEst, busInfo[3]);
		(void)memcpy(msg + busInfo[4], stored_msg.CopEst, busInfo[5]);
		(void)memcpy(msg + busInfo[6], &stored_msg.SdfMidFoot1.Position.X, busInfo[7]);
		(void)memcpy(msg + busInfo[8], &stored_msg.SdfMidFoot1.Position.Y, busInfo[9]);
		(void)memcpy(msg + busInfo[10], &stored_msg.SdfMidFoot1.Position.Z, busInfo[11]);
		(void)memcpy(msg + busInfo[12], &stored_msg.SdfMidFoot1.Orientation.X, busInfo[13]);
		(void)memcpy(msg + busInfo[14], &stored_msg.SdfMidFoot1.Orientation.Y, busInfo[15]);
		(void)memcpy(msg + busInfo[16], &stored_msg.SdfMidFoot1.Orientation.Z, busInfo[17]);
		(void)memcpy(msg + busInfo[18], &stored_msg.SdfMidFoot1.Orientation.W, busInfo[19]);
		(void)memcpy(msg + busInfo[20], &stored_msg.FootBF1.X, busInfo[21]);
		(void)memcpy(msg + busInfo[22], &stored_msg.FootBF1.Y, busInfo[23]);
		(void)memcpy(msg + busInfo[24], &stored_msg.FootBF1.Z, busInfo[25]);
		(void)memcpy(msg + busInfo[26], &stored_msg.FootBF0.X, busInfo[27]);
		(void)memcpy(msg + busInfo[28], &stored_msg.FootBF0.Y, busInfo[29]);
		(void)memcpy(msg + busInfo[30], &stored_msg.FootBF0.Z, busInfo[31]);
		(void)memcpy(msg + busInfo[32], &stored_msg.SdfMidFoot0.Position.X, busInfo[33]);
		(void)memcpy(msg + busInfo[34], &stored_msg.SdfMidFoot0.Position.Y, busInfo[35]);
		(void)memcpy(msg + busInfo[36], &stored_msg.SdfMidFoot0.Position.Z, busInfo[37]);
		(void)memcpy(msg + busInfo[38], &stored_msg.SdfMidFoot0.Orientation.X, busInfo[39]);
		(void)memcpy(msg + busInfo[40], &stored_msg.SdfMidFoot0.Orientation.Y, busInfo[41]);
		(void)memcpy(msg + busInfo[42], &stored_msg.SdfMidFoot0.Orientation.Z, busInfo[43]);
		(void)memcpy(msg + busInfo[44], &stored_msg.SdfMidFoot0.Orientation.W, busInfo[45]);*/
    }
    
    newMessageArrived = false;
    lock.clear();
}
コード例 #12
0
void DataChunStorage::writeCache(int cacheNumber, int numberOfEntries)
{
    // Lock until all data are written
    while (storeChunkLock.test_and_set()) {ERROR("CACHE IS FULL!!!");}

    // Go through cache and identify all data chunks. Write them with the
    // correct size.
    for(int i = 0; i < numberOfEntries; i++)
    {
        int writeSize;
        switch((int)dataCache[cacheNumber][i].typeNumberId)
        {
        case CHUNK_TYPE_ID_MALLOC:
            writeSize = sizeof(DataChunkMalloc);
            break;
        case CHUNK_TYPE_ID_FREE:
            writeSize = sizeof(DataChunkFree);
            break;
        case CHUNK_TYPE_ID_CALLOC:
            writeSize = sizeof(DataChunkCalloc);
            break;
        case CHUNK_TYPE_ID_REALLOC:
            writeSize = sizeof(DataChunkRealloc);
            break;
        case CHUNK_TYPE_ID_MEMALIGN:
            writeSize = sizeof(DataChunkMemalign);
            break;
        default:
            ERROR("Unknown chunk type");
            writeSize = 0;
            break;
        }
        int written = write(logFileFd, (char*)&dataCache[cacheNumber][i], writeSize);
        (void)written;
    }
    // Unlock writeing
    storeChunkLock.clear();
}
コード例 #13
0
ファイル: spinlock.hpp プロジェクト: rubinius/rubinius
 void reset() {
   flag.clear();
 }
コード例 #14
0
ファイル: spinlock.hpp プロジェクト: LLNL/Caliper
 spinlock()
 {
     m_lock.clear();
 }
コード例 #15
0
ファイル: spinlock.hpp プロジェクト: LLNL/Caliper
 void unlock() {
     m_lock.clear(std::memory_order_release);
 }
コード例 #16
0
ファイル: spin_lock.hpp プロジェクト: lllhhhqqq/capo
 spin_lock(void) { lc_.clear(std::memory_order_relaxed); }
コード例 #17
0
ファイル: stackTrace.cpp プロジェクト: MWDD/USD
/*
 * Run an external program to make a report and tell the user where the report
 * file is.
 *
 * Use of char*'s is deliberate: only async-safe calls allowed past this point!
 */
void
ArchLogPostMortem(const char* reason, const char* message /* = nullptr */)
{
    static std::atomic_flag busy = ATOMIC_FLAG_INIT;

    // Disallow recursion and allow only one thread at a time.
    while (busy.test_and_set(std::memory_order_acquire)) {
        // Spin!
    }

    const char* progname = ArchGetProgramNameForErrors();

    // If we can attach a debugger then just exit here.
    if (ArchDebuggerAttach()) {
        ARCH_DEBUGGER_TRAP;
        _exit(0);
    }

    /* Could use tmpnam but we're trying to be minimalist here. */
    char logfile[1024];
    if (_GetStackTraceName(logfile, sizeof(logfile)) == -1) {
        // Cannot create the logfile.
        static const char msg[] = "Cannot create a log file\n";
        write(2, msg, sizeof(msg) - 1);
        busy.clear(std::memory_order_release);
        return;
    }

    // Write reason for stack trace to logfile.
    if (FILE* stackFd = ArchOpenFile(logfile, "a")) {
        if (reason) {
            fprintf(stackFd, "This stack trace was requested because: %s\n",
                    reason);
        }
        if (message) {
            fprintf(stackFd, "%s\n", message);
        }
        fclose(stackFd);
    }

    /* get hostname for printing out in the error message only */
    char hostname[MAXHOSTNAMELEN];
    if (gethostname(hostname,MAXHOSTNAMELEN) != 0) {
        /* error getting hostname; don't try to print it */
        hostname[0] = '\0';
    }

    fprintf(stderr, "\n");
    fprintf(stderr,
            "------------------------ '%s' is dying ------------------------\n",
            progname);

    // print out any registered program info
    {
        std::lock_guard<std::mutex> lock(_progInfoForErrorsMutex);
        if (_progInfoForErrors) {
            fprintf(stderr, "%s", _progInfoForErrors);
        }
    }

    if (reason) {
        fprintf(stderr, "This stack trace was requested because: %s\n", reason);
    }
    if (message) {
        fprintf(stderr, "%s\n", message);
    }
    fprintf(stderr, "The stack can be found in %s:%s\n", hostname, logfile);
    int loggedStack = _LogStackTraceForPid(logfile);
    fprintf(stderr, "done.\n");
    // Additionally, print the first few lines of extra log information since
    // developers don't always think to look for it in the stack trace file.
    _EmitAnyExtraLogInfo(stderr, 3 /* max */);
    fprintf(stderr,
        "------------------------------------------------------------------\n");

    if (loggedStack) {
        _EmitAnyExtraLogInfo(logfile);
        _FinishLoggingFatalStackTrace(progname, logfile, NULL /*session log*/, 
                                      true /* crashing hard? */);
    }

    busy.clear(std::memory_order_release);
}
コード例 #18
0
	ByteCodeCacheEntry() : m_compiled(false), m_shader_bytecode({})
	{
		m_initialized.clear();
	}
コード例 #19
0
ファイル: spin_lock.hpp プロジェクト: lllhhhqqq/capo
 void unlock(void)
 {
     lc_.clear(std::memory_order_release);
 }
コード例 #20
0
ファイル: spinlock.hpp プロジェクト: chuckremes/rubinius
 spinlock_mutex()
   : flag()
 {
   flag.clear();
 }
コード例 #21
0
ファイル: main.cpp プロジェクト: CCJY/coliru
 void unlock()
 {
     flag.clear(std::memory_order_release);
 }
コード例 #22
0
ファイル: __fast_mutex.hpp プロジェクト: githubdlj/fork_stl
 inline void staticmutex::unlock() {
     m_flag.clear(std::memory_order_release);
 }
コード例 #23
0
ファイル: __fast_mutex.hpp プロジェクト: githubdlj/fork_stl
 inline void staticmutex::init() {
     m_flag.clear();
 }
コード例 #24
0
 void unlock(){
   flag.clear();
 }
コード例 #25
0
ファイル: multiThreadTest.cpp プロジェクト: kexianda/misc
	void g(int n)
	{
		cout<<"thread "<< n << "is going to start"<<endl;
		lock.clear();
		cout<<"thread "<< n << "starts working"<<endl;
	}
コード例 #26
0
ファイル: chrono.cpp プロジェクト: noxiouz/handystats
/* Conversion to system time */
static
time_point to_system_time(const time_point& t) {
	static std::atomic<int64_t> ns_offset(0);
	static std::atomic<int64_t> offset_timestamp(0);
	static std::atomic_flag lock = ATOMIC_FLAG_INIT;

	static const duration OFFSET_TIMEOUT (15 * (int64_t)1E9, time_unit::NSEC);
	static const duration CLOSE_DISTANCE (15 * (int64_t)1E3, time_unit::NSEC);
	static const uint64_t MAX_UPDATE_TRIES (100);

	time_point current_tsc_time = tsc_clock::now();
	time_unit tsc_unit = current_tsc_time.time_since_epoch().unit();

	int64_t offset_ts = offset_timestamp.load(std::memory_order_acquire);

	if (offset_ts == 0 ||
			current_tsc_time.time_since_epoch() - duration(offset_ts, tsc_unit) > OFFSET_TIMEOUT
		)
	{
		if (!lock.test_and_set(std::memory_order_acquire)) {
			time_point cycles_start, cycles_end;
			time_point current_system_time;

			bool close_pair_found = false;
			for (uint64_t update_try = 0; update_try < MAX_UPDATE_TRIES; ++update_try) {
				cycles_start = tsc_clock::now();
				current_system_time = system_clock::now();
				cycles_end = tsc_clock::now();

				if (cycles_end - cycles_start < CLOSE_DISTANCE) {
					close_pair_found = true;
					break;
				}
			}

			if (close_pair_found) {
				time_point cycles_middle = cycles_start + (cycles_end - cycles_start) / 2;
				int64_t new_offset =
					duration::convert_to(
						time_unit::NSEC,
						current_system_time.time_since_epoch() - cycles_middle.time_since_epoch()
					)
					.count();

				ns_offset.store(new_offset, std::memory_order_release);
				offset_timestamp.store(cycles_middle.time_since_epoch().count(), std::memory_order_release);
			}

			lock.clear(std::memory_order_release);
		}
	}

	return
		time_point(
			duration::convert_to(
				time_unit::NSEC,
				t.time_since_epoch() + duration(ns_offset.load(std::memory_order_acquire), time_unit::NSEC)
			),
			clock_type::SYSTEM
		);
}
コード例 #27
0
ファイル: pose_changer.cpp プロジェクト: jettan/robotutor
 /// Stop executing random behaviors.
 void cancel() {
     timer_.cancel();
     started_.clear();
 }
コード例 #28
0
ファイル: main_B.cpp プロジェクト: morm/mor_t
void foo()
{
	working.clear();
}
コード例 #29
0
ファイル: spinlock.hpp プロジェクト: rubinius/rubinius
 void unlock() {
   flag.clear(std::memory_order_seq_cst);
   std::atomic_thread_fence(std::memory_order_seq_cst);
 }
コード例 #30
0
ファイル: concurrency.hpp プロジェクト: NateBrune/lemonbuddy
 void unlock() noexcept
 {
   lock_flag.clear(std::memory_order_release);
 }