Add detection for TSan fiber support.

[simgrid.git] / tools / cmake / test_prog / prog_tsan.cpp

diff --git a/tools/cmake/test_prog/prog_tsan.cpp b/tools/cmake/test_prog/prog_tsan.cpp
new file mode 100644 (file)
index 0000000..41ef8ba
--- /dev/null
+++ b/tools/cmake/test_prog/prog_tsan.cpp
@@ -0,0 +1,27 @@
+/* Copyright (c) 2020. The SimGrid Team.
+ * All rights reserved.                                                     */
+
+/* This program is free software; you can redistribute it and/or modify it
+ * under the terms of the license (GNU LGPL) which comes with this package. */
+
+/* Check availability of ThreadSanitizer */
+
+#if defined(__has_feature)
+#define HAS_FEATURE(x) __has_feature(x)
+#else
+#define HAS_FEATURE(x) 0
+#endif
+
+#if not HAS_FEATURE(thread_sanitizer) && not defined(__SANITIZE_THREAD__)
+#error "TSan feature not found."
+#endif
+
+#if defined(CHECK_FIBER_SUPPORT)
+#include <sanitizer/tsan_interface.h>
+// Verify the existence of the fiber annotation interface, with the expected signature
+void* (*create_fiber)(unsigned)       = __tsan_create_fiber;
+void (*destroy_fiber)(void*)          = __tsan_destroy_fiber;
+void (*switch_fiber)(void*, unsigned) = __tsan_switch_to_fiber;
+#endif
+
+int main(void) {}