diff options
Diffstat (limited to 'base/threading/platform_thread_linux.cc')
-rw-r--r-- | base/threading/platform_thread_linux.cc | 103 |
1 files changed, 0 insertions, 103 deletions
diff --git a/base/threading/platform_thread_linux.cc b/base/threading/platform_thread_linux.cc deleted file mode 100644 index 42e12c7..0000000 --- a/base/threading/platform_thread_linux.cc +++ /dev/null @@ -1,103 +0,0 @@ -// Copyright (c) 2012 The Chromium Authors. All rights reserved. -// Use of this source code is governed by a BSD-style license that can be -// found in the LICENSE file. - -#include "base/threading/platform_thread.h" - -#include <errno.h> -#include <sched.h> - -#include "base/lazy_instance.h" -#include "base/logging.h" -#include "base/memory/scoped_ptr.h" -#include "base/safe_strerror_posix.h" -#include "base/threading/thread_id_name_manager.h" -#include "base/threading/thread_restrictions.h" -#include "base/tracked_objects.h" - -#if defined(OS_LINUX) -#include <sys/prctl.h> -#include <sys/resource.h> -#include <sys/syscall.h> -#include <sys/time.h> -#include <unistd.h> -#endif - -namespace base { - -namespace { -int ThreadNiceValue(ThreadPriority priority) { - static const int threadPriorityAudio = -10; - static const int threadPriorityBackground = 10; - static const int threadPriorityDefault = 0; - static const int threadPriorityDisplay = -6; - switch (priority) { - case kThreadPriority_RealtimeAudio: - return threadPriorityAudio; - case kThreadPriority_Background: - return threadPriorityBackground; - case kThreadPriority_Normal: - return threadPriorityDefault; - case kThreadPriority_Display: - return threadPriorityDisplay; - default: - NOTREACHED() << "Unknown priority."; - return 0; - } -} -} // namespace - -// static -void PlatformThread::SetName(const char* name) { - ThreadIdNameManager::GetInstance()->SetName(CurrentId(), name); - tracked_objects::ThreadData::InitializeThreadContext(name); - -#ifndef OS_NACL - // On linux we can get the thread names to show up in the debugger by setting - // the process name for the LWP. We don't want to do this for the main - // thread because that would rename the process, causing tools like killall - // to stop working. - if (PlatformThread::CurrentId() == getpid()) - return; - - // http://0pointer.de/blog/projects/name-your-threads.html - // Set the name for the LWP (which gets truncated to 15 characters). - // Note that glibc also has a 'pthread_setname_np' api, but it may not be - // available everywhere and it's only benefit over using prctl directly is - // that it can set the name of threads other than the current thread. - int err = prctl(PR_SET_NAME, name); - // We expect EPERM failures in sandboxed processes, just ignore those. - if (err < 0 && errno != EPERM) - DPLOG(ERROR) << "prctl(PR_SET_NAME)"; -#endif -} - -// static -void PlatformThread::SetThreadPriority(PlatformThreadHandle handle, - ThreadPriority priority) { -#ifndef OS_NACL - // setpriority(2) will set a thread's priority if it is passed a tid as - // the 'process identifier', not affecting the rest of the threads in the - // process. Setting this priority will only succeed if the user has been - // granted permission to adjust nice values on the system. - DCHECK_NE(handle.id_, kInvalidThreadId); - int kNiceSetting = ThreadNiceValue(priority); - if (setpriority(PRIO_PROCESS, handle.id_, kNiceSetting)) - LOG(ERROR) << "Failed to set nice value of thread to " << kNiceSetting; -#endif -} - -void InitThreading() { -} - -void InitOnThread() { -} - -void TerminateOnThread() { -} - -size_t GetDefaultThreadStackSize(const pthread_attr_t& attributes) { - return 0; -} - -} // namespace base |