diff options
Diffstat (limited to 'absl/base/internal/tsan_mutex_interface.h')
| -rw-r--r-- | absl/base/internal/tsan_mutex_interface.h | 17 |
1 files changed, 16 insertions, 1 deletions
diff --git a/absl/base/internal/tsan_mutex_interface.h b/absl/base/internal/tsan_mutex_interface.h index a1303e67c8f5..6bb4faedb879 100644 --- a/absl/base/internal/tsan_mutex_interface.h +++ b/absl/base/internal/tsan_mutex_interface.h @@ -19,7 +19,22 @@ #ifndef ABSL_BASE_INTERNAL_TSAN_MUTEX_INTERFACE_H_ #define ABSL_BASE_INTERNAL_TSAN_MUTEX_INTERFACE_H_ -#ifdef THREAD_SANITIZER +// ABSL_INTERNAL_HAVE_TSAN_INTERFACE +// Macro intended only for internal use. +// +// Checks whether LLVM Thread Sanitizer interfaces are available. +// First made available in LLVM 5.0 (Sep 2017). +#ifdef ABSL_INTERNAL_HAVE_TSAN_INTERFACE +#error "ABSL_INTERNAL_HAVE_TSAN_INTERFACE cannot be directly set." +#endif + +#if defined(THREAD_SANITIZER) && defined(__has_include) +#if __has_include(<sanitizer/tsan_interface.h>) +#define ABSL_INTERNAL_HAVE_TSAN_INTERFACE 1 +#endif +#endif + +#ifdef ABSL_INTERNAL_HAVE_TSAN_INTERFACE #include <sanitizer/tsan_interface.h> #define ABSL_TSAN_MUTEX_CREATE __tsan_mutex_create |