Fix thread sanitizer warnings with C11 atomics

src/Connection.c

@@ -3,7 +3,7 @@
 
 static int stage = STAGE_NONE;
 static ConnListenerConnectionTerminated originalTerminationCallback;
-static bool alreadyTerminated;
+static atomic_bool alreadyTerminated;
 static PLT_THREAD terminationCallbackThread;
 static int terminationCallbackErrorCode;
 
@@ -17,7 +17,7 @@ CONNECTION_LISTENER_CALLBACKS ListenerCallbacks;
 DECODER_RENDERER_CALLBACKS VideoCallbacks;
 AUDIO_RENDERER_CALLBACKS AudioCallbacks;
 int NegotiatedVideoFormat;
-volatile bool ConnectionInterrupted;
+atomic_bool ConnectionInterrupted;
 bool HighQualitySurroundSupported;
 bool HighQualitySurroundEnabled;
 OPUS_MULTISTREAM_CONFIGURATION NormalQualityOpusConfig;

src/ControlStream.c

@@ -33,9 +33,9 @@ static PLT_THREAD invalidateRefFramesThread;
 static PLT_THREAD controlReceiveThread;
 static PLT_EVENT invalidateRefFramesEvent;
 static int lossCountSinceLastReport;
-static int lastGoodFrame;
-static int lastSeenFrame;
-static bool stopping;
+static atomic_int lastGoodFrame;
+static atomic_int lastSeenFrame;
+static atomic_bool stopping;
 static bool disconnectPending;
 
 static int intervalGoodFrameCount;
@@ -44,7 +44,7 @@ static uint64_t intervalStartTimeMs;
 static int lastIntervalLossPercentage;
 static int lastConnectionStatusUpdate;
 
-static bool idrFrameRequired;
+static atomic_bool idrFrameRequired;
 static LINKED_BLOCKING_QUEUE invalidReferenceFrameTuples;
 
 #define CONN_IMMEDIATE_POOR_LOSS_RATE 30

src/InputStream.c

@@ -8,7 +8,7 @@
 
 static SOCKET inputSock = INVALID_SOCKET;
 static unsigned char currentAesIv[16];
-static bool initialized;
+static atomic_bool initialized;
 static EVP_CIPHER_CTX* cipherContext;
 static bool cipherInitialized;
 

src/Limelight-internal.h

@@ -19,7 +19,7 @@ extern CONNECTION_LISTENER_CALLBACKS ListenerCallbacks;
 extern DECODER_RENDERER_CALLBACKS VideoCallbacks;
 extern AUDIO_RENDERER_CALLBACKS AudioCallbacks;
 extern int NegotiatedVideoFormat;
-extern volatile bool ConnectionInterrupted;
+extern atomic_bool ConnectionInterrupted;
 extern bool HighQualitySurroundSupported;
 extern bool HighQualitySurroundEnabled;
 extern OPUS_MULTISTREAM_CONFIGURATION NormalQualityOpusConfig;

src/LinkedBlockingQueue.c

@@ -106,7 +106,7 @@ int LbqPeekQueueElement(PLINKED_BLOCKING_QUEUE queueHead, void** data) {
         return LBQ_INTERRUPTED;
     }
     
-    if (queueHead->head == NULL) {
+    if (queueHead->currentSize == 0) {
         return LBQ_NO_ELEMENT;
     }
 
@@ -131,7 +131,7 @@ int LbqPollQueueElement(PLINKED_BLOCKING_QUEUE queueHead, void** data) {
         return LBQ_INTERRUPTED;
     }
 
-    if (queueHead->head == NULL) {
+    if (queueHead->currentSize == 0) {
         return LBQ_NO_ELEMENT;
     }
 

src/LinkedBlockingQueue.h

@@ -18,8 +18,8 @@ typedef struct _LINKED_BLOCKING_QUEUE {
     PLT_MUTEX mutex;
     PLT_EVENT containsDataEvent;
     int sizeBound;
-    int currentSize;
-    bool shutdown;
+    atomic_int currentSize;
+    atomic_bool shutdown;
     int lifetimeSize;
     PLINKED_BLOCKING_QUEUE_ENTRY head;
     PLINKED_BLOCKING_QUEUE_ENTRY tail;

src/Platform.h

@@ -3,6 +3,7 @@
 #include <stdlib.h>
 #include <string.h>
 #include <stdint.h>
+#include <stdatomic.h>
 
 #ifdef _WIN32
 #define WIN32_LEAN_AND_MEAN

src/PlatformThreads.h

@@ -10,18 +10,18 @@ typedef HANDLE PLT_MUTEX;
 typedef HANDLE PLT_EVENT;
 typedef struct _PLT_THREAD {
     HANDLE handle;
-    bool cancelled;
+    atomic_bool cancelled;
 } PLT_THREAD;
 #elif defined(__vita__)
 typedef int PLT_MUTEX;
 typedef struct _PLT_EVENT {
     int mutex;
     int cond;
-    bool signalled;
+    atomic_bool signalled;
 } PLT_EVENT;
 typedef struct _PLT_THREAD {
     int handle;
-    int cancelled;
+    atomic_bool cancelled;
     void *context;
     bool alive;
 } PLT_THREAD;
@@ -30,11 +30,11 @@ typedef pthread_mutex_t PLT_MUTEX;
 typedef struct _PLT_EVENT {
     pthread_mutex_t mutex;
     pthread_cond_t cond;
-    bool signalled;
+    atomic_bool signalled;
 } PLT_EVENT;
 typedef struct _PLT_THREAD {
     pthread_t thread;
-    bool cancelled;
+    atomic_bool cancelled;
 } PLT_THREAD;
 #else
 #error Unsupported platform

src/VideoStream.c

@@ -22,7 +22,7 @@ static PLT_THREAD decoderThread;
 
 static bool receivedDataFromPeer;
 static uint64_t firstDataTimeMs;
-static bool receivedFullFrame;
+static atomic_bool receivedFullFrame;
 
 // We can't request an IDR frame until the depacketizer knows
 // that a packet was lost. This timeout bounds the time that