Home | History | Annotate | Download | only in src 
      1 // Copyright 2016 the V8 project authors. All rights reserved.
      2 // Use of this source code is governed by a BSD-style license that can be
      3 // found in the LICENSE file.
      4 
      5 #ifndef V8_UTILS_INL_H_
      6 #define V8_UTILS_INL_H_
      7 
      8 #include "src/utils.h"
      9 
     10 #include "include/v8-platform.h"
     11 #include "src/base/platform/time.h"
     12 #include "src/v8.h"
     13 
     14 namespace v8 {
     15 namespace internal {
     16 
     17 class TimedScope {
     18  public:
     19   explicit TimedScope(double* result)
     20       : start_(TimestampMs()), result_(result) {}
     21 
     22   ~TimedScope() { *result_ = TimestampMs() - start_; }
     23 
     24  private:
     25   static inline double TimestampMs() {
     26     return V8::GetCurrentPlatform()->MonotonicallyIncreasingTime() *
     27            static_cast<double>(base::Time::kMillisecondsPerSecond);
     28   }
     29 
     30   double start_;
     31   double* result_;
     32 };
     33 
     34 }  // namespace internal
     35 }  // namespace v8
     36 
     37 #endif  // V8_UTILS_INL_H_
     38