mirror of
https://github.com/klzgrad/naiveproxy.git
synced 2024-11-24 06:16:30 +03:00
97 lines
3.0 KiB
C++
97 lines
3.0 KiB
C++
|
// 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 <stddef.h>
|
||
|
|
#include <sys/prctl.h>
|
||
|
|
#include <sys/resource.h>
|
||
|
|
#include <sys/types.h>
|
||
|
|
#include <unistd.h>
|
||
|
|
|
||
|
|
#include "base/android/jni_android.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 "jni/ThreadUtils_jni.h"
|
||
|
|
|
||
|
|
namespace base {
|
||
|
|
|
||
|
|
namespace internal {
|
||
|
|
|
||
|
|
// - BACKGROUND corresponds to Android's PRIORITY_BACKGROUND = 10 value and can
|
||
|
|
// result in heavy throttling and force the thread onto a little core on
|
||
|
|
// big.LITTLE devices.
|
||
|
|
// - DISPLAY corresponds to Android's PRIORITY_DISPLAY = -4 value.
|
||
|
|
// - REALTIME_AUDIO corresponds to Android's PRIORITY_AUDIO = -16 value.
|
||
|
|
const ThreadPriorityToNiceValuePair kThreadPriorityToNiceValueMap[4] = {
|
||
|
|
{ThreadPriority::BACKGROUND, 10},
|
||
|
|
{ThreadPriority::NORMAL, 0},
|
||
|
|
{ThreadPriority::DISPLAY, -4},
|
||
|
|
{ThreadPriority::REALTIME_AUDIO, -16},
|
||
|
|
};
|
||
|
|
|
||
|
|
bool SetCurrentThreadPriorityForPlatform(ThreadPriority priority) {
|
||
|
|
// On Android, we set the Audio priority through JNI as Audio priority
|
||
|
|
// will also allow the process to run while it is backgrounded.
|
||
|
|
if (priority == ThreadPriority::REALTIME_AUDIO) {
|
||
|
|
JNIEnv* env = base::android::AttachCurrentThread();
|
||
|
|
Java_ThreadUtils_setThreadPriorityAudio(env, PlatformThread::CurrentId());
|
||
|
|
return true;
|
||
|
|
}
|
||
|
|
return false;
|
||
|
|
}
|
||
|
|
|
||
|
|
bool GetCurrentThreadPriorityForPlatform(ThreadPriority* priority) {
|
||
|
|
DCHECK(priority);
|
||
|
|
*priority = ThreadPriority::NORMAL;
|
||
|
|
JNIEnv* env = base::android::AttachCurrentThread();
|
||
|
|
if (Java_ThreadUtils_isThreadPriorityAudio(
|
||
|
|
env, PlatformThread::CurrentId())) {
|
||
|
|
*priority = ThreadPriority::REALTIME_AUDIO;
|
||
|
|
return true;
|
||
|
|
}
|
||
|
|
return false;
|
||
|
|
}
|
||
|
|
|
||
|
|
} // namespace internal
|
||
|
|
|
||
|
|
void PlatformThread::SetName(const std::string& name) {
|
||
|
|
ThreadIdNameManager::GetInstance()->SetName(CurrentId(), name);
|
||
|
|
|
||
|
|
// Like linux, on android 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;
|
||
|
|
|
||
|
|
// Set the name for the LWP (which gets truncated to 15 characters).
|
||
|
|
int err = prctl(PR_SET_NAME, name.c_str());
|
||
|
|
if (err < 0 && errno != EPERM)
|
||
|
|
DPLOG(ERROR) << "prctl(PR_SET_NAME)";
|
||
|
|
}
|
||
|
|
|
||
|
|
|
||
|
|
void InitThreading() {
|
||
|
|
}
|
||
|
|
|
||
|
|
void TerminateOnThread() {
|
||
|
|
base::android::DetachFromVM();
|
||
|
|
}
|
||
|
|
|
||
|
|
size_t GetDefaultThreadStackSize(const pthread_attr_t& attributes) {
|
||
|
|
#if !defined(ADDRESS_SANITIZER)
|
||
|
|
return 0;
|
||
|
|
#else
|
||
|
|
// AddressSanitizer bloats the stack approximately 2x. Default stack size of
|
||
|
|
// 1Mb is not enough for some tests (see http://crbug.com/263749 for example).
|
||
|
|
return 2 * (1 << 20); // 2Mb
|
||
|
|
#endif
|
||
|
|
}
|
||
|
|
|
||
|
|
} // namespace base
|