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| 1 // Copyright 2014 The Chromium 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 #include "base/threading/platform_thread.h" | |
| 6 | |
| 7 #include <errno.h> | |
| 8 #include <sched.h> | |
| 9 #include <stddef.h> | |
| 10 | |
| 11 #include "base/lazy_instance.h" | |
| 12 #include "base/logging.h" | |
| 13 #include "base/threading/platform_thread_internal_posix.h" | |
| 14 #include "base/threading/thread_id_name_manager.h" | |
| 15 #include "base/tracked_objects.h" | |
| 16 #include "build/build_config.h" | |
| 17 | |
| 18 #if !defined(OS_NACL) | |
| 19 #include <pthread.h> | |
| 20 #include <sys/types.h> | |
| 21 #include <unistd.h> | |
| 22 #endif | |
| 23 | |
| 24 namespace base { | |
| 25 | |
| 26 namespace internal { | |
| 27 | |
| 28 namespace { | |
| 29 #if !defined(OS_NACL) | |
| 30 const struct sched_param kRealTimePrio = {8}; | |
| 31 #endif | |
| 32 } // namespace | |
| 33 | |
| 34 const ThreadPriorityToNiceValuePair kThreadPriorityToNiceValueMap[4] = { | |
| 35 {ThreadPriority::BACKGROUND, 10}, | |
| 36 {ThreadPriority::NORMAL, 0}, | |
| 37 {ThreadPriority::DISPLAY, -6}, | |
| 38 {ThreadPriority::REALTIME_AUDIO, -10}, | |
| 39 }; | |
| 40 | |
| 41 bool SetCurrentThreadPriorityForPlatform(ThreadPriority priority) { | |
| 42 #if !defined(OS_NACL) | |
| 43 return priority == ThreadPriority::REALTIME_AUDIO && | |
| 44 pthread_setschedparam(pthread_self(), SCHED_RR, &kRealTimePrio) == 0; | |
| 45 #else | |
| 46 return false; | |
| 47 #endif | |
| 48 } | |
| 49 | |
| 50 bool GetCurrentThreadPriorityForPlatform(ThreadPriority* priority) { | |
| 51 #if !defined(OS_NACL) | |
| 52 int maybe_sched_rr = 0; | |
| 53 struct sched_param maybe_realtime_prio = {0}; | |
| 54 if (pthread_getschedparam(pthread_self(), &maybe_sched_rr, | |
| 55 &maybe_realtime_prio) == 0 && | |
| 56 maybe_sched_rr == SCHED_RR && | |
| 57 maybe_realtime_prio.sched_priority == kRealTimePrio.sched_priority) { | |
| 58 *priority = ThreadPriority::REALTIME_AUDIO; | |
| 59 return true; | |
| 60 } | |
| 61 #endif | |
| 62 return false; | |
| 63 } | |
| 64 | |
| 65 } // namespace internal | |
| 66 | |
| 67 // static | |
| 68 void PlatformThread::SetName(const std::string& name) { | |
| 69 ThreadIdNameManager::GetInstance()->SetName(CurrentId(), name); | |
| 70 tracked_objects::ThreadData::InitializeThreadContext(name); | |
| 71 | |
| 72 #if !defined(OS_NACL) | |
| 73 // On FreeBSD we can get the thread names to show up in the debugger by | |
| 74 // setting the process name for the LWP. We don't want to do this for the | |
| 75 // main thread because that would rename the process, causing tools like | |
| 76 // killall to stop working. | |
| 77 if (PlatformThread::CurrentId() == getpid()) | |
| 78 return; | |
| 79 setproctitle("%s", name.c_str()); | |
| 80 #endif // !defined(OS_NACL) | |
| 81 } | |
| 82 | |
| 83 void InitThreading() {} | |
| 84 | |
| 85 void TerminateOnThread() {} | |
| 86 | |
| 87 size_t GetDefaultThreadStackSize(const pthread_attr_t& attributes) { | |
| 88 #if !defined(THREAD_SANITIZER) | |
| 89 return 0; | |
| 90 #else | |
| 91 // ThreadSanitizer bloats the stack heavily. Evidence has been that the | |
| 92 // default stack size isn't enough for some browser tests. | |
| 93 return 2 * (1 << 23); // 2 times 8192K (the default stack size on Linux). | |
| 94 #endif | |
| 95 } | |
| 96 | |
| 97 } // namespace base | |
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Chromium Code Reviews
Issue 2876623002:
base: remove FreeBSD port of platform_thread.h (Closed)
