Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 1 | // Copyright 2013 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_LIBPLATFORM_DEFAULT_PLATFORM_H_ |
| 6 | #define V8_LIBPLATFORM_DEFAULT_PLATFORM_H_ |
| 7 | |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 8 | #include <functional> |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 9 | #include <map> |
| 10 | #include <queue> |
| 11 | #include <vector> |
| 12 | |
| 13 | #include "include/v8-platform.h" |
| 14 | #include "src/base/macros.h" |
| 15 | #include "src/base/platform/mutex.h" |
| 16 | #include "src/libplatform/task-queue.h" |
| 17 | |
| 18 | namespace v8 { |
| 19 | namespace platform { |
| 20 | |
| 21 | class TaskQueue; |
| 22 | class Thread; |
| 23 | class WorkerThread; |
| 24 | |
| 25 | class DefaultPlatform : public Platform { |
| 26 | public: |
| 27 | DefaultPlatform(); |
| 28 | virtual ~DefaultPlatform(); |
| 29 | |
| 30 | void SetThreadPoolSize(int thread_pool_size); |
| 31 | |
| 32 | void EnsureInitialized(); |
| 33 | |
| 34 | bool PumpMessageLoop(v8::Isolate* isolate); |
| 35 | |
| 36 | // v8::Platform implementation. |
Ben Murdoch | 097c5b2 | 2016-05-18 11:27:45 +0100 | [diff] [blame] | 37 | size_t NumberOfAvailableBackgroundThreads() override; |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 38 | void CallOnBackgroundThread(Task* task, |
| 39 | ExpectedRuntime expected_runtime) override; |
| 40 | void CallOnForegroundThread(v8::Isolate* isolate, Task* task) override; |
| 41 | void CallDelayedOnForegroundThread(Isolate* isolate, Task* task, |
| 42 | double delay_in_seconds) override; |
| 43 | void CallIdleOnForegroundThread(Isolate* isolate, IdleTask* task) override; |
| 44 | bool IdleTasksEnabled(Isolate* isolate) override; |
| 45 | double MonotonicallyIncreasingTime() override; |
| 46 | const uint8_t* GetCategoryGroupEnabled(const char* name) override; |
| 47 | const char* GetCategoryGroupName( |
| 48 | const uint8_t* category_enabled_flag) override; |
| 49 | uint64_t AddTraceEvent(char phase, const uint8_t* category_enabled_flag, |
Ben Murdoch | da12d29 | 2016-06-02 14:46:10 +0100 | [diff] [blame^] | 50 | const char* name, const char* scope, uint64_t id, |
| 51 | uint64_t bind_id, int32_t num_args, |
| 52 | const char** arg_names, const uint8_t* arg_types, |
| 53 | const uint64_t* arg_values, |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 54 | unsigned int flags) override; |
| 55 | void UpdateTraceEventDuration(const uint8_t* category_enabled_flag, |
| 56 | const char* name, uint64_t handle) override; |
| 57 | |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 58 | |
| 59 | private: |
| 60 | static const int kMaxThreadPoolSize; |
| 61 | |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 62 | Task* PopTaskInMainThreadQueue(v8::Isolate* isolate); |
| 63 | Task* PopTaskInMainThreadDelayedQueue(v8::Isolate* isolate); |
| 64 | |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 65 | base::Mutex lock_; |
| 66 | bool initialized_; |
| 67 | int thread_pool_size_; |
| 68 | std::vector<WorkerThread*> thread_pool_; |
| 69 | TaskQueue queue_; |
| 70 | std::map<v8::Isolate*, std::queue<Task*> > main_thread_queue_; |
| 71 | |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 72 | typedef std::pair<double, Task*> DelayedEntry; |
| 73 | std::map<v8::Isolate*, |
| 74 | std::priority_queue<DelayedEntry, std::vector<DelayedEntry>, |
| 75 | std::greater<DelayedEntry> > > |
| 76 | main_thread_delayed_queue_; |
| 77 | |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 78 | DISALLOW_COPY_AND_ASSIGN(DefaultPlatform); |
| 79 | }; |
| 80 | |
| 81 | |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 82 | } // namespace platform |
| 83 | } // namespace v8 |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 84 | |
| 85 | |
| 86 | #endif // V8_LIBPLATFORM_DEFAULT_PLATFORM_H_ |