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1 /* | 1 /* |
2 * Copyright (c) 2015 The WebRTC project authors. All Rights Reserved. | 2 * Copyright (c) 2015 The WebRTC project authors. All Rights Reserved. |
3 * | 3 * |
4 * Use of this source code is governed by a BSD-style license | 4 * Use of this source code is governed by a BSD-style license |
5 * that can be found in the LICENSE file in the root of the source | 5 * that can be found in the LICENSE file in the root of the source |
6 * tree. An additional intellectual property rights grant can be found | 6 * tree. An additional intellectual property rights grant can be found |
7 * in the file PATENTS. All contributing project authors may | 7 * in the file PATENTS. All contributing project authors may |
8 * be found in the AUTHORS file in the root of the source tree. | 8 * be found in the AUTHORS file in the root of the source tree. |
9 */ | 9 */ |
10 | 10 |
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195 // Alertable sleep to permit RaiseFlag to run and update |stop_|. | 195 // Alertable sleep to permit RaiseFlag to run and update |stop_|. |
196 SleepEx(0, true); | 196 SleepEx(0, true); |
197 } while (!stop_); | 197 } while (!stop_); |
198 #else | 198 #else |
199 } while (!stop_event_.Wait(0)); | 199 } while (!stop_event_.Wait(0)); |
200 #endif // defined(WEBRTC_WIN) | 200 #endif // defined(WEBRTC_WIN) |
201 } | 201 } |
202 | 202 |
203 bool PlatformThread::SetPriority(ThreadPriority priority) { | 203 bool PlatformThread::SetPriority(ThreadPriority priority) { |
204 RTC_DCHECK(thread_checker_.CalledOnValidThread()); | 204 RTC_DCHECK(thread_checker_.CalledOnValidThread()); |
205 #if defined(WEBRTC_WIN) | |
206 return thread_ && SetThreadPriority(thread_, priority); | |
207 #else | |
208 if (!thread_) | 205 if (!thread_) |
209 return false; | 206 return false; |
210 #if defined(WEBRTC_CHROMIUM_BUILD) && defined(WEBRTC_LINUX) | 207 #if defined(WEBRTC_WIN) |
211 // TODO(tommi): Switch to the same mechanism as Chromium uses for | 208 return SetThreadPriority(thread_, priority); |
212 // changing thread priorities. | 209 #elif defined(__native_client__) |
| 210 // Setting thread priorities is not supported in NaCl. |
| 211 return true; |
| 212 #elif defined(WEBRTC_CHROMIUM_BUILD) && defined(WEBRTC_LINUX) |
| 213 // TODO(tommi): Switch to the same mechanism as Chromium uses for changing |
| 214 // thread priorities. |
213 return true; | 215 return true; |
214 #else | 216 #else |
215 #ifdef WEBRTC_THREAD_RR | 217 #ifdef WEBRTC_THREAD_RR |
216 const int policy = SCHED_RR; | 218 const int policy = SCHED_RR; |
217 #else | 219 #else |
218 const int policy = SCHED_FIFO; | 220 const int policy = SCHED_FIFO; |
219 #endif | 221 #endif |
220 const int min_prio = sched_get_priority_min(policy); | 222 const int min_prio = sched_get_priority_min(policy); |
221 const int max_prio = sched_get_priority_max(policy); | 223 const int max_prio = sched_get_priority_max(policy); |
222 if (min_prio == -1 || max_prio == -1) { | 224 if (min_prio == -1 || max_prio == -1) { |
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243 param.sched_priority = std::max(top_prio - 2, low_prio); | 245 param.sched_priority = std::max(top_prio - 2, low_prio); |
244 break; | 246 break; |
245 case kHighestPriority: | 247 case kHighestPriority: |
246 param.sched_priority = std::max(top_prio - 1, low_prio); | 248 param.sched_priority = std::max(top_prio - 1, low_prio); |
247 break; | 249 break; |
248 case kRealtimePriority: | 250 case kRealtimePriority: |
249 param.sched_priority = top_prio; | 251 param.sched_priority = top_prio; |
250 break; | 252 break; |
251 } | 253 } |
252 return pthread_setschedparam(thread_, policy, ¶m) == 0; | 254 return pthread_setschedparam(thread_, policy, ¶m) == 0; |
253 #endif // defined(WEBRTC_CHROMIUM_BUILD) && defined(WEBRTC_LINUX) | |
254 #endif // defined(WEBRTC_WIN) | 255 #endif // defined(WEBRTC_WIN) |
255 } | 256 } |
256 | 257 |
257 } // namespace webrtc | 258 } // namespace webrtc |
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