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-rw-r--r--security/sandbox/chromium/base/threading/platform_thread_linux.cc120
1 files changed, 0 insertions, 120 deletions
diff --git a/security/sandbox/chromium/base/threading/platform_thread_linux.cc b/security/sandbox/chromium/base/threading/platform_thread_linux.cc
deleted file mode 100644
index 4057ede94..000000000
--- a/security/sandbox/chromium/base/threading/platform_thread_linux.cc
+++ /dev/null
@@ -1,120 +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 <stddef.h>
-
-#include "base/lazy_instance.h"
-#include "base/logging.h"
-#include "base/threading/platform_thread_internal_posix.h"
-#include "base/threading/thread_id_name_manager.h"
-#include "base/tracked_objects.h"
-#include "build/build_config.h"
-
-#if !defined(OS_NACL)
-#include <pthread.h>
-#include <sys/prctl.h>
-#include <sys/types.h>
-#include <unistd.h>
-#endif
-
-namespace base {
-
-namespace internal {
-
-namespace {
-#if !defined(OS_NACL)
-const struct sched_param kRealTimePrio = {8};
-const struct sched_param kResetPrio = {0};
-#endif
-} // namespace
-
-const ThreadPriorityToNiceValuePair kThreadPriorityToNiceValueMap[4] = {
- {ThreadPriority::BACKGROUND, 10},
- {ThreadPriority::NORMAL, 0},
- {ThreadPriority::DISPLAY, -6},
- {ThreadPriority::REALTIME_AUDIO, -10},
-};
-
-bool SetCurrentThreadPriorityForPlatform(ThreadPriority priority) {
-#if !defined(OS_NACL)
- ThreadPriority current_priority;
- if (priority != ThreadPriority::REALTIME_AUDIO &&
- GetCurrentThreadPriorityForPlatform(&current_priority) &&
- current_priority == ThreadPriority::REALTIME_AUDIO) {
- // If the pthread's round-robin scheduler is already enabled, and the new
- // priority will use setpriority() instead, the pthread scheduler should be
- // reset to use SCHED_OTHER so that setpriority() just works.
- pthread_setschedparam(pthread_self(), SCHED_OTHER, &kResetPrio);
- return false;
- }
- return priority == ThreadPriority::REALTIME_AUDIO &&
- pthread_setschedparam(pthread_self(), SCHED_RR, &kRealTimePrio) == 0;
-#else
- return false;
-#endif
-}
-
-bool GetCurrentThreadPriorityForPlatform(ThreadPriority* priority) {
-#if !defined(OS_NACL)
- int maybe_sched_rr = 0;
- struct sched_param maybe_realtime_prio = {0};
- if (pthread_getschedparam(pthread_self(), &maybe_sched_rr,
- &maybe_realtime_prio) == 0 &&
- maybe_sched_rr == SCHED_RR &&
- maybe_realtime_prio.sched_priority == kRealTimePrio.sched_priority) {
- *priority = ThreadPriority::REALTIME_AUDIO;
- return true;
- }
-#endif
- return false;
-}
-
-} // namespace internal
-
-// static
-void PlatformThread::SetName(const std::string& name) {
- ThreadIdNameManager::GetInstance()->SetName(CurrentId(), name);
- tracked_objects::ThreadData::InitializeThreadContext(name);
-
-#if !defined(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.c_str());
- // We expect EPERM failures in sandboxed processes, just ignore those.
- if (err < 0 && errno != EPERM)
- DPLOG(ERROR) << "prctl(PR_SET_NAME)";
-#endif // !defined(OS_NACL)
-}
-
-void InitThreading() {}
-
-void InitOnThread() {}
-
-void TerminateOnThread() {}
-
-size_t GetDefaultThreadStackSize(const pthread_attr_t& attributes) {
-#if !defined(THREAD_SANITIZER)
- return 0;
-#else
- // ThreadSanitizer bloats the stack heavily. Evidence has been that the
- // default stack size isn't enough for some browser tests.
- return 2 * (1 << 23); // 2 times 8192K (the default stack size on Linux).
-#endif
-}
-
-} // namespace base