Remove all usages of UA_THREAD_LOCAL. Fixes #1769

src/ua_securechannel.c

@@ -33,9 +33,9 @@ const UA_ByteString
     UA_SECURITY_POLICY_NONE_URI = {47, (UA_Byte *)"http://opcfoundation.org/UA/SecurityPolicy#None"};
 
 #ifdef UA_ENABLE_UNIT_TEST_FAILURE_HOOKS
-UA_THREAD_LOCAL UA_StatusCode decrypt_verifySignatureFailure;
-UA_THREAD_LOCAL UA_StatusCode sendAsym_sendFailure;
-UA_THREAD_LOCAL UA_StatusCode processSym_seqNumberFailure;
+UA_StatusCode decrypt_verifySignatureFailure;
+UA_StatusCode sendAsym_sendFailure;
+UA_StatusCode processSym_seqNumberFailure;
 #endif
 
 UA_StatusCode

src/ua_securechannel.h

@@ -27,9 +27,9 @@ extern "C" {
 
 /* Thread-local variables to force failure modes during testing */
 #ifdef UA_ENABLE_UNIT_TEST_FAILURE_HOOKS
-extern UA_THREAD_LOCAL UA_StatusCode decrypt_verifySignatureFailure;
-extern UA_THREAD_LOCAL UA_StatusCode sendAsym_sendFailure;
-extern UA_THREAD_LOCAL UA_StatusCode processSym_seqNumberFailure;
+extern UA_StatusCode decrypt_verifySignatureFailure;
+extern UA_StatusCode sendAsym_sendFailure;
+extern UA_StatusCode processSym_seqNumberFailure;
 #endif
 
 /* The Session implementation differs between client and server. Still, it is

src/ua_types.c

@@ -71,7 +71,8 @@ UA_findDataType(const UA_NodeId *typeId) {
 /* Random Number Generator */
 /***************************/
 
-static UA_THREAD_LOCAL pcg32_random_t UA_rng = PCG32_INITIALIZER;
+//TODO is this safe for multithreading?
+static pcg32_random_t UA_rng = PCG32_INITIALIZER;
 
 void
 UA_random_seed(u64 seed) {

src/ua_util.h

@@ -26,24 +26,6 @@ extern "C" {
 /* Macro-Expand for MSVC workarounds */
 #define UA_MACRO_EXPAND(x) x
 
-/* Thread-Local Storage
- * --------------------
- * Thread-local storage is not required by the main library functionality. It is
- * only used for some testing strategies. ``UA_THREAD_LOCAL`` is empty if the
- * feature is not available. */
-
-#if defined(__STDC_VERSION__) && __STDC_VERSION__ >= 201112L
-# define UA_THREAD_LOCAL _Thread_local /* C11 */
-#elif defined(__cplusplus) && __cplusplus > 199711L
-# define UA_THREAD_LOCAL thread_local /* C++11 */
-#elif defined(__GNUC__)
-# define UA_THREAD_LOCAL __thread /* GNU extension */
-#elif defined(_MSC_VER)
-# define UA_THREAD_LOCAL __declspec(thread) /* MSVC extension */
-#else
-# define UA_THREAD_LOCAL
-#endif
-
 /* Integer Shortnames
  * ------------------
  * These are not exposed on the public API, since many user-applications make