1 files changed, 0 insertions, 263 deletions
diff --git a/security/sandbox/chromium/base/threading/platform_thread_posix.cc b/security/sandbox/chromium/base/threading/platform_thread_posix.cc
deleted file mode 100644
index 39a007316..000000000
--- a/security/sandbox/chromium/base/threading/platform_thread_posix.cc
+++ /dev/null
@@ -1,263 +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 <pthread.h>
-#include <sched.h>
-#include <stddef.h>
-#include <stdint.h>
-#include <sys/resource.h>
-#include <sys/time.h>
-
-#include "base/lazy_instance.h"
-#include "base/logging.h"
-#include "base/memory/scoped_ptr.h"
-#include "base/threading/platform_thread_internal_posix.h"
-#include "base/threading/thread_id_name_manager.h"
-#include "base/threading/thread_restrictions.h"
-#include "build/build_config.h"
-
-#if defined(OS_LINUX)
-#include <sys/syscall.h>
-#elif defined(OS_ANDROID)
-#include <sys/types.h>
-#endif
-
-namespace base {
-
-void InitThreading();
-void InitOnThread();
-void TerminateOnThread();
-size_t GetDefaultThreadStackSize(const pthread_attr_t& attributes);
-
-namespace {
-
-struct ThreadParams {
-  ThreadParams()
-      : delegate(NULL), joinable(false), priority(ThreadPriority::NORMAL) {}
-
-  PlatformThread::Delegate* delegate;
-  bool joinable;
-  ThreadPriority priority;
-};
-
-void* ThreadFunc(void* params) {
-  base::InitOnThread();
-
-  PlatformThread::Delegate* delegate = nullptr;
-
-  {
-    scoped_ptr<ThreadParams> thread_params(static_cast<ThreadParams*>(params));
-
-    delegate = thread_params->delegate;
-    if (!thread_params->joinable)
-      base::ThreadRestrictions::SetSingletonAllowed(false);
-
-    if (thread_params->priority != ThreadPriority::NORMAL)
-      PlatformThread::SetCurrentThreadPriority(thread_params->priority);
-  }
-
-  ThreadIdNameManager::GetInstance()->RegisterThread(
-      PlatformThread::CurrentHandle().platform_handle(),
-      PlatformThread::CurrentId());
-
-  delegate->ThreadMain();
-
-  ThreadIdNameManager::GetInstance()->RemoveName(
-      PlatformThread::CurrentHandle().platform_handle(),
-      PlatformThread::CurrentId());
-
-  base::TerminateOnThread();
-  return NULL;
-}
-
-bool CreateThread(size_t stack_size,
-                  bool joinable,
-                  PlatformThread::Delegate* delegate,
-                  PlatformThreadHandle* thread_handle,
-                  ThreadPriority priority) {
-  DCHECK(thread_handle);
-  base::InitThreading();
-
-  pthread_attr_t attributes;
-  pthread_attr_init(&attributes);
-
-  // Pthreads are joinable by default, so only specify the detached
-  // attribute if the thread should be non-joinable.
-  if (!joinable)
-    pthread_attr_setdetachstate(&attributes, PTHREAD_CREATE_DETACHED);
-
-  // Get a better default if available.
-  if (stack_size == 0)
-    stack_size = base::GetDefaultThreadStackSize(attributes);
-
-  if (stack_size > 0)
-    pthread_attr_setstacksize(&attributes, stack_size);
-
-  scoped_ptr<ThreadParams> params(new ThreadParams);
-  params->delegate = delegate;
-  params->joinable = joinable;
-  params->priority = priority;
-
-  pthread_t handle;
-  int err = pthread_create(&handle, &attributes, ThreadFunc, params.get());
-  bool success = !err;
-  if (success) {
-    // ThreadParams should be deleted on the created thread after used.
-    ignore_result(params.release());
-  } else {
-    // Value of |handle| is undefined if pthread_create fails.
-    handle = 0;
-    errno = err;
-    PLOG(ERROR) << "pthread_create";
-  }
-  *thread_handle = PlatformThreadHandle(handle);
-
-  pthread_attr_destroy(&attributes);
-
-  return success;
-}
-
-}  // namespace
-
-// static
-PlatformThreadId PlatformThread::CurrentId() {
-  // Pthreads doesn't have the concept of a thread ID, so we have to reach down
-  // into the kernel.
-#if defined(OS_MACOSX)
-  return pthread_mach_thread_np(pthread_self());
-#elif defined(OS_LINUX)
-  return syscall(__NR_gettid);
-#elif defined(OS_ANDROID)
-  return gettid();
-#elif defined(OS_SOLARIS) || defined(OS_QNX)
-  return pthread_self();
-#elif defined(OS_NACL) && defined(__GLIBC__)
-  return pthread_self();
-#elif defined(OS_NACL) && !defined(__GLIBC__)
-  // Pointers are 32-bits in NaCl.
-  return reinterpret_cast<int32_t>(pthread_self());
-#elif defined(OS_POSIX)
-  return reinterpret_cast<int64_t>(pthread_self());
-#endif
-}
-
-// static
-PlatformThreadRef PlatformThread::CurrentRef() {
-  return PlatformThreadRef(pthread_self());
-}
-
-// static
-PlatformThreadHandle PlatformThread::CurrentHandle() {
-  return PlatformThreadHandle(pthread_self());
-}
-
-// static
-void PlatformThread::YieldCurrentThread() {
-  sched_yield();
-}
-
-// static
-void PlatformThread::Sleep(TimeDelta duration) {
-  struct timespec sleep_time, remaining;
-
-  // Break the duration into seconds and nanoseconds.
-  // NOTE: TimeDelta's microseconds are int64s while timespec's
-  // nanoseconds are longs, so this unpacking must prevent overflow.
-  sleep_time.tv_sec = duration.InSeconds();
-  duration -= TimeDelta::FromSeconds(sleep_time.tv_sec);
-  sleep_time.tv_nsec = duration.InMicroseconds() * 1000;  // nanoseconds
-
-  while (nanosleep(&sleep_time, &remaining) == -1 && errno == EINTR)
-    sleep_time = remaining;
-}
-
-// static
-const char* PlatformThread::GetName() {
-  return ThreadIdNameManager::GetInstance()->GetName(CurrentId());
-}
-
-// static
-bool PlatformThread::CreateWithPriority(size_t stack_size, Delegate* delegate,
-                                        PlatformThreadHandle* thread_handle,
-                                        ThreadPriority priority) {
-  return CreateThread(stack_size, true,  // joinable thread
-                      delegate, thread_handle, priority);
-}
-
-// static
-bool PlatformThread::CreateNonJoinable(size_t stack_size, Delegate* delegate) {
-  PlatformThreadHandle unused;
-
-  bool result = CreateThread(stack_size, false /* non-joinable thread */,
-                             delegate, &unused, ThreadPriority::NORMAL);
-  return result;
-}
-
-// static
-void PlatformThread::Join(PlatformThreadHandle thread_handle) {
-  // Joining another thread may block the current thread for a long time, since
-  // the thread referred to by |thread_handle| may still be running long-lived /
-  // blocking tasks.
-  base::ThreadRestrictions::AssertIOAllowed();
-  CHECK_EQ(0, pthread_join(thread_handle.platform_handle(), NULL));
-}
-
-// Mac has its own Set/GetCurrentThreadPriority() implementations.
-#if !defined(OS_MACOSX)
-
-// static
-void PlatformThread::SetCurrentThreadPriority(ThreadPriority priority) {
-#if defined(OS_NACL)
-  NOTIMPLEMENTED();
-#else
-  if (internal::SetCurrentThreadPriorityForPlatform(priority))
-    return;
-
-  // setpriority(2) should change the whole thread group's (i.e. process)
-  // priority. However, as stated in the bugs section of
-  // http://man7.org/linux/man-pages/man2/getpriority.2.html: "under the current
-  // Linux/NPTL implementation of POSIX threads, the nice value is a per-thread
-  // attribute". Also, 0 is prefered to the current thread id since it is
-  // equivalent but makes sandboxing easier (https://crbug.com/399473).
-  const int nice_setting = internal::ThreadPriorityToNiceValue(priority);
-  if (setpriority(PRIO_PROCESS, 0, nice_setting)) {
-    DVPLOG(1) << "Failed to set nice value of thread ("
-              << PlatformThread::CurrentId() << ") to " << nice_setting;
-  }
-#endif  // defined(OS_NACL)
-}
-
-// static
-ThreadPriority PlatformThread::GetCurrentThreadPriority() {
-#if defined(OS_NACL)
-  NOTIMPLEMENTED();
-  return ThreadPriority::NORMAL;
-#else
-  // Mirrors SetCurrentThreadPriority()'s implementation.
-  ThreadPriority platform_specific_priority;
-  if (internal::GetCurrentThreadPriorityForPlatform(
-          &platform_specific_priority)) {
-    return platform_specific_priority;
-  }
-
-  // Need to clear errno before calling getpriority():
-  // http://man7.org/linux/man-pages/man2/getpriority.2.html
-  errno = 0;
-  int nice_value = getpriority(PRIO_PROCESS, 0);
-  if (errno != 0) {
-    DVPLOG(1) << "Failed to get nice value of thread ("
-              << PlatformThread::CurrentId() << ")";
-    return ThreadPriority::NORMAL;
-  }
-
-  return internal::NiceValueToThreadPriority(nice_value);
-#endif  // !defined(OS_NACL)
-}
-
-#endif  // !defined(OS_MACOSX)
-
-}  // namespace base