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| 1 // Copyright 2015 The Chromium Authors. All rights reserved. | 1 // Copyright 2015 The Chromium Authors. All rights reserved. |
| 2 // Use of this source code is governed by a BSD-style license that can be | 2 // Use of this source code is governed by a BSD-style license that can be |
| 3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
| 4 | 4 |
| 5 #ifndef THIRD_PARTY_MOJO_SRC_MOJO_PUBLIC_CPP_ENVIRONMENT_TASK_TRACKER_H_ | 5 #ifndef MOJO_PUBLIC_CPP_ENVIRONMENT_TASK_TRACKER_H_ |
| 6 #define THIRD_PARTY_MOJO_SRC_MOJO_PUBLIC_CPP_ENVIRONMENT_TASK_TRACKER_H_ | 6 #define MOJO_PUBLIC_CPP_ENVIRONMENT_TASK_TRACKER_H_ |
| 7 | 7 |
| 8 #include <stdint.h> | 8 #include <stdint.h> |
| 9 | 9 |
| 10 namespace mojo { | 10 namespace mojo { |
| 11 | 11 |
| 12 typedef intptr_t TaskTrackingId; | 12 typedef intptr_t TaskTrackingId; |
| 13 | 13 |
| 14 // Interface for wiring task-level profiling. This API is mainly used by the | 14 // Interface for wiring task-level profiling. This API is mainly used by the |
| 15 // generated interface implementation. | 15 // generated interface implementation. |
| 16 struct TaskTracker { | 16 struct TaskTracker { |
| 17 // Start tracking. The returned id must be reclaimed through |EndTracking()|. | 17 // Start tracking. The returned id must be reclaimed through |EndTracking()|. |
| 18 TaskTrackingId (*StartTracking)(const char* function_name, | 18 TaskTrackingId (*StartTracking)(const char* function_name, |
| 19 const char* file_name, | 19 const char* file_name, |
| 20 int line_number, | 20 int line_number, |
| 21 const void* program_counter); | 21 const void* program_counter); |
| 22 // Finish tracking. The |id| is one that is returned from |StartTracking()|. | 22 // Finish tracking. The |id| is one that is returned from |StartTracking()|. |
| 23 void (*EndTracking)(const TaskTrackingId id); | 23 void (*EndTracking)(const TaskTrackingId id); |
| 24 // Enable or disable tracking. It is disabled by default. | 24 // Enable or disable tracking. It is disabled by default. |
| 25 void (*SetEnabled)(bool enabled); | 25 void (*SetEnabled)(bool enabled); |
| 26 }; | 26 }; |
| 27 | 27 |
| 28 } // namespace mojo | 28 } // namespace mojo |
| 29 | 29 |
| 30 #endif // THIRD_PARTY_MOJO_SRC_MOJO_PUBLIC_CPP_ENVIRONMENT_TASK_TRACKER_H_ | 30 #endif // MOJO_PUBLIC_CPP_ENVIRONMENT_TASK_TRACKER_H_ |
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