fixup! Fix race condition in main loop

apps/cloud_server.c

@@ -26,6 +26,7 @@
 #include "oc_pki.h"
 #include "oc_clock_util.h"
 #include "port/oc_assert.h"
+#include "util/oc_compiler.h"
 #include "util/oc_features.h"
 #include "util/oc_process.h"
 
@@ -119,7 +120,12 @@ static pthread_mutex_t g_mutex;
 static pthread_cond_t g_cv;
 
 static void
-signal_event_loop(void)
+#if !defined(__clang__) && defined(__GNUC__)
+  /* gcc with thread sanitizer enabled reports a double lock when
+     pthread_cond_signal is called under a locked mutex */
+  __attribute__((no_sanitize("thread")))
+#endif /* !__clang__ && __GNUC__ */
+  signal_event_loop(void)
 {
   pthread_mutex_lock(&g_mutex);
   pthread_cond_signal(&g_cv);

docker/apps/Dockerfile.cloud-server-debug

@@ -7,7 +7,7 @@ COPY ./  /iotivity-lite/
 RUN cd /iotivity-lite/ && git submodule update --recursive
 RUN mkdir /iotivity-lite/build && \
 	cd /iotivity-lite/build && \
-	cmake -DCMAKE_BUILD_TYPE=${BUILD_TYPE} -DCMAKE_VERBOSE_MAKEFILE=ON -DBUILD_TESTING=OFF -DOC_CLOUD_ENABLED=ON ${BUILD_ARGS} .. && \
+	cmake -DCMAKE_BUILD_TYPE=${BUILD_TYPE} -DCMAKE_CXX_COMPILER=clang++ -DCMAKE_C_COMPILER=clang -DCMAKE_VERBOSE_MAKEFILE=ON -DBUILD_TESTING=OFF -DOC_CLOUD_ENABLED=ON ${BUILD_ARGS} .. && \
 	cmake --build . --target cloud_server
 RUN cp /iotivity-lite/build/apps/cloud_server /iotivity-lite/port/linux/service
 

util/oc_compiler.h

@@ -67,6 +67,12 @@
 #define OC_RETURNS_NONNULL
 #endif
 
+#if defined(__clang__) || defined(__GNUC__)
+#define OC_NO_SANITIZE(...) __attribute__((no_sanitize(__VA_ARGS__)))
+#else
+#define OC_NO_SANITIZE(...)
+#endif
+
 #if defined(__clang__) || defined(__GNUC__)
 #if defined(__MINGW32__) && defined(__USE_MINGW_ANSI_STDIO) &&                 \
   __USE_MINGW_ANSI_STDIO == 1