Merge branch 'main' into ulTaskGetRunTimeCounter

portable/MSVC-MingW/port.c

@@ -141,6 +141,9 @@ static DWORD WINAPI prvSimulatedPeripheralTimer( LPVOID lpParameter )
 {
     TickType_t xMinimumWindowsBlockTime;
     TIMECAPS xTimeCaps;
+    TickType_t xWaitTimeBetweenTicks = portTICK_PERIOD_MS;
+    HANDLE hTimer = NULL;
+    LARGE_INTEGER liDueTime;
 
     /* Set the timer resolution to the maximum possible. */
     if( timeGetDevCaps( &xTimeCaps, sizeof( xTimeCaps ) ) == MMSYSERR_NOERROR )
@@ -160,22 +163,33 @@ static DWORD WINAPI prvSimulatedPeripheralTimer( LPVOID lpParameter )
     /* Just to prevent compiler warnings. */
     ( void ) lpParameter;
 
+    /* Tick time for the timer is adjusted with the maximum available
+     resolution. */
+    if( portTICK_PERIOD_MS < xMinimumWindowsBlockTime )
+    {
+        xWaitTimeBetweenTicks = xMinimumWindowsBlockTime;
+    }
+
+    /* Convert the tick time in milliseconds to nanoseconds resolution
+     for the Waitable Timer. */
+    liDueTime.u.LowPart = xWaitTimeBetweenTicks * 1000 * 1000;
+    liDueTime.u.HighPart = 0;
+
+    /* Create a synchronization Waitable Timer.*/
+    hTimer = CreateWaitableTimer( NULL, FALSE, NULL );
+
+    configASSERT( hTimer != NULL );
+
+    /* Set the Waitable Timer. The timer is set to run periodically at every
+    xWaitTimeBetweenTicks milliseconds. */
+    configASSERT( SetWaitableTimer( hTimer, &liDueTime, xWaitTimeBetweenTicks, NULL, NULL, 0 ) );
+
     while( xPortRunning == pdTRUE )
     {
         /* Wait until the timer expires and we can access the simulated interrupt
-         * variables.  *NOTE* this is not a 'real time' way of generating tick
+         * variables. */
-         * events as the next wake time should be relative to the previous wake
+
-         * time, not the time that Sleep() is called.  It is done this way to
+        WaitForSingleObject( hTimer, INFINITE );
-         * prevent overruns in this very non real time simulated/emulated
-         * environment. */
-        if( portTICK_PERIOD_MS < xMinimumWindowsBlockTime )
-        {
-            Sleep( xMinimumWindowsBlockTime );
-        }
-        else
-        {
-            Sleep( portTICK_PERIOD_MS );
-        }
 
         vPortGenerateSimulatedInterruptFromWindowsThread( portINTERRUPT_TICK );
     }

portable/ThirdParty/GCC/Posix/port.c

@@ -97,6 +97,7 @@ static inline Thread_t * prvGetThreadFromTask( TaskHandle_t xTask )
 /*-----------------------------------------------------------*/
 
 static pthread_once_t hSigSetupThread = PTHREAD_ONCE_INIT;
+static pthread_once_t hThreadKeyOnce = PTHREAD_ONCE_INIT;
 static sigset_t xAllSignals;
 static sigset_t xSchedulerOriginalSignalMask;
 static pthread_t hMainThread = ( pthread_t ) NULL;
@@ -105,7 +106,6 @@ static BaseType_t xSchedulerEnd = pdFALSE;
 static pthread_t hTimerTickThread;
 static bool xTimerTickThreadShouldRun;
 static uint64_t prvStartTimeNs;
-static pthread_mutex_t xThreadMutex = PTHREAD_MUTEX_INITIALIZER;
 static pthread_key_t xThreadKey = 0;
 /*-----------------------------------------------------------*/
 
@@ -133,23 +133,16 @@ static void prvThreadKeyDestructor( void * pvData )
 /*-----------------------------------------------------------*/
 
 static void prvInitThreadKey( void )
-{
-    pthread_mutex_lock( &xThreadMutex );
-
-    if( xThreadKey == 0 )
 {
     pthread_key_create( &xThreadKey, prvThreadKeyDestructor );
 }
-
-    pthread_mutex_unlock( &xThreadMutex );
-}
 /*-----------------------------------------------------------*/
 
 static void prvMarkAsFreeRTOSThread( void )
 {
     uint8_t * pucThreadData = NULL;
 
-    prvInitThreadKey();
+    ( void ) pthread_once( &hThreadKeyOnce, prvInitThreadKey );
 
     pucThreadData = malloc( 1 );
     configASSERT( pucThreadData != NULL );
@@ -165,7 +158,10 @@ static BaseType_t prvIsFreeRTOSThread( void )
     uint8_t * pucThreadData = NULL;
     BaseType_t xRet = pdFALSE;
 
+    ( void ) pthread_once( &hThreadKeyOnce, prvInitThreadKey );
+
     pucThreadData = ( uint8_t * ) pthread_getspecific( xThreadKey );
+
     if( ( pucThreadData != NULL ) && ( *pucThreadData == 1 ) )
     {
         xRet = pdTRUE;
@@ -303,9 +299,12 @@ BaseType_t xPortStartScheduler( void )
      * memset the internal struct members for MacOS/Linux Compatibility */
     #if __APPLE__
         hSigSetupThread.__sig = _PTHREAD_ONCE_SIG_init;
+        hThreadKeyOnce.__sig = _PTHREAD_ONCE_SIG_init;
         memset( ( void * ) &hSigSetupThread.__opaque, 0, sizeof( hSigSetupThread.__opaque ) );
+        memset( ( void * ) &hThreadKeyOnce.__opaque, 0, sizeof( hThreadKeyOnce.__opaque ) );
     #else /* Linux PTHREAD library*/
         hSigSetupThread = PTHREAD_ONCE_INIT;
+        hThreadKeyOnce = PTHREAD_ONCE_INIT;
     #endif /* __APPLE__*/
 
     /* Restore original signal mask. */