Remove _Thread_local variable for 2.28
We do not intend to support multithreaded testing in 2.28, so
introducing a C11 feature here is an unnecessary burden.
Signed-off-by: David Horstmann <david.horstmann@arm.com>
diff --git a/tests/include/test/memory.h b/tests/include/test/memory.h
index 91be573..d4bbeec 100644
--- a/tests/include/test/memory.h
+++ b/tests/include/test/memory.h
@@ -21,12 +21,9 @@
* memory as poisoned, which can be used to enforce some memory access
* policies.
*
- * Support for the C11 thread_local keyword is also required.
- *
* Currently, only Asan (Address Sanitizer) is supported.
*/
-#if defined(MBEDTLS_TEST_HAVE_ASAN) && \
- (__STDC_VERSION__ >= 201112L)
+#if defined(MBEDTLS_TEST_HAVE_ASAN)
# define MBEDTLS_TEST_MEMORY_CAN_POISON
#endif
@@ -64,11 +61,11 @@
#if defined(MBEDTLS_TEST_MEMORY_CAN_POISON)
-/** Thread-local variable used to enable memory poisoning. This is set and
- * unset in the test wrappers so that calls to PSA functions from the library
- * do not poison memory.
+/** Variable used to enable memory poisoning. This is set and unset in the
+ * test wrappers so that calls to PSA functions from the library do not
+ * poison memory.
*/
-extern _Thread_local unsigned int mbedtls_test_memory_poisoning_count;
+extern unsigned int mbedtls_test_memory_poisoning_count;
/** Poison a memory area so that any attempt to read or write from it will
* cause a runtime failure.
diff --git a/tests/src/test_memory.c b/tests/src/test_memory.c
index ac9dde6..9da7f20 100644
--- a/tests/src/test_memory.c
+++ b/tests/src/test_memory.c
@@ -20,7 +20,7 @@
#if defined(MBEDTLS_TEST_MEMORY_CAN_POISON)
-_Thread_local unsigned int mbedtls_test_memory_poisoning_count = 0;
+unsigned int mbedtls_test_memory_poisoning_count = 0;
static void align_for_asan(const unsigned char **p_ptr, size_t *p_size)
{