Version 3.20.15

src/atomicops_internals_tsan.h

 // Copyright 2012 the V8 project authors. All rights reserved.
 // Redistribution and use in source and binary forms, with or without
 // modification, are permitted provided that the following conditions are
 // met:
 //
 //     * Redistributions of source code must retain the above copyright
 //       notice, this list of conditions and the following disclaimer.
 //     * Redistributions in binary form must reproduce the above
 //       copyright notice, this list of conditions and the following
 //       disclaimer in the documentation and/or other materials provided
@@ skipping 14 matching lines @@
 // (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
 // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 
 
 // This file is an internal atomic implementation for compiler-based
 // ThreadSanitizer. Use base/atomicops.h instead.
 
 #ifndef V8_ATOMICOPS_INTERNALS_TSAN_H_
 #define V8_ATOMICOPS_INTERNALS_TSAN_H_
 
-namespace v8 {
-namespace internal {
-
-#ifndef TSAN_INTERFACE_ATOMIC_H
-#define TSAN_INTERFACE_ATOMIC_H
-
 // This struct is not part of the public API of this module; clients may not
 // use it.  (However, it's exported via BASE_EXPORT because clients implicitly
 // do use it at link time by inlining these functions.)
 // Features of this x86.  Values may not be correct before main() is run,
 // but are set conservatively.
 struct AtomicOps_x86CPUFeatureStruct {
   bool has_amd_lock_mb_bug;  // Processor has AMD memory-barrier bug; do lfence
                              // after acquire compare-and-swap.
   bool has_sse2;             // Processor has SSE2.
 };
 extern struct AtomicOps_x86CPUFeatureStruct
     AtomicOps_Internalx86CPUFeatures;
 
 #define ATOMICOPS_COMPILER_BARRIER() __asm__ __volatile__("" : : : "memory")
 
+namespace v8 {
+namespace internal {
+
+#ifndef TSAN_INTERFACE_ATOMIC_H
+#define TSAN_INTERFACE_ATOMIC_H
+
 #ifdef __cplusplus
 extern "C" {
 #endif
 
 typedef char  __tsan_atomic8;
 typedef short __tsan_atomic16;  // NOLINT
 typedef int   __tsan_atomic32;
 typedef long  __tsan_atomic64;  // NOLINT
 
 #if defined(__SIZEOF_INT128__) \
@@ skipping 325 matching lines @@
 inline void MemoryBarrier() {
   __tsan_atomic_thread_fence(__tsan_memory_order_seq_cst);
 }
 
 }  // namespace internal
 }  // namespace v8
 
 #undef ATOMICOPS_COMPILER_BARRIER
 
 #endif  // V8_ATOMICOPS_INTERNALS_TSAN_H_