bungeman@google.com | 5548752 | 2012-05-14 14:09:24 +0000 | [diff] [blame] | 1 | /* |
| 2 | * Copyright 2012 Google Inc. |
| 3 | * |
| 4 | * Use of this source code is governed by a BSD-style license that can be |
| 5 | * found in the LICENSE file. |
| 6 | */ |
| 7 | |
| 8 | #ifndef SkThreadUtils_DEFINED |
| 9 | #define SkThreadUtils_DEFINED |
| 10 | |
| 11 | #include "SkTypes.h" |
| 12 | |
| 13 | class SkThread : SkNoncopyable { |
| 14 | public: |
| 15 | typedef void (*entryPointProc)(void*); |
rmistry@google.com | d6176b0 | 2012-08-23 18:14:13 +0000 | [diff] [blame] | 16 | |
bungeman@google.com | 5548752 | 2012-05-14 14:09:24 +0000 | [diff] [blame] | 17 | SkThread(entryPointProc entryPoint, void* data = NULL); |
rmistry@google.com | d6176b0 | 2012-08-23 18:14:13 +0000 | [diff] [blame] | 18 | |
bungeman@google.com | 5548752 | 2012-05-14 14:09:24 +0000 | [diff] [blame] | 19 | /** |
| 20 | * Non-virtual, do not subclass. |
| 21 | */ |
| 22 | ~SkThread(); |
rmistry@google.com | d6176b0 | 2012-08-23 18:14:13 +0000 | [diff] [blame] | 23 | |
bungeman@google.com | 5548752 | 2012-05-14 14:09:24 +0000 | [diff] [blame] | 24 | /** |
| 25 | * Starts the thread. Returns false if the thread could not be started. |
| 26 | */ |
| 27 | bool start(); |
rmistry@google.com | d6176b0 | 2012-08-23 18:14:13 +0000 | [diff] [blame] | 28 | |
bungeman@google.com | 5548752 | 2012-05-14 14:09:24 +0000 | [diff] [blame] | 29 | /** |
| 30 | * Waits for the thread to finish. |
| 31 | * If the thread has not started, returns immediately. |
| 32 | */ |
| 33 | void join(); |
rmistry@google.com | d6176b0 | 2012-08-23 18:14:13 +0000 | [diff] [blame] | 34 | |
bungeman@google.com | 5548752 | 2012-05-14 14:09:24 +0000 | [diff] [blame] | 35 | /** |
| 36 | * SkThreads with an affinity for the same processor will attempt to run cache |
| 37 | * locally with each other. SkThreads with an affinity for different processors |
| 38 | * will attempt to run on different cores. Returns false if the request failed. |
| 39 | */ |
| 40 | bool setProcessorAffinity(unsigned int processor); |
rmistry@google.com | d6176b0 | 2012-08-23 18:14:13 +0000 | [diff] [blame] | 41 | |
bungeman@google.com | 5548752 | 2012-05-14 14:09:24 +0000 | [diff] [blame] | 42 | private: |
| 43 | void* fData; |
| 44 | }; |
| 45 | |
| 46 | #endif |