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// 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 "content/app/android/sandboxed_process_service.h"
#include <cpu-features.h>
#include "base/android/jni_array.h"
#include "base/logging.h"
#include "base/posix/global_descriptors.h"
#include "content/common/android/surface_texture_peer.h"
#include "content/common/child_process.h"
#include "content/common/child_thread.h"
#include "content/public/app/android_library_loader_hooks.h"
#include "content/public/common/content_descriptors.h"
#include "ipc/ipc_descriptors.h"
#include "jni/SandboxedProcessService_jni.h"
using base::android::AttachCurrentThread;
using base::android::CheckException;
using base::android::JavaIntArrayToIntVector;
namespace {
class SurfaceTexturePeerSandboxedImpl : public content::SurfaceTexturePeer {
public:
// |service| is the instance of
// org.chromium.content.app.SandboxedProcessService.
SurfaceTexturePeerSandboxedImpl(jobject service)
: service_(service) {
}
virtual ~SurfaceTexturePeerSandboxedImpl() {
}
virtual void EstablishSurfaceTexturePeer(
base::ProcessHandle pid,
scoped_refptr<content::SurfaceTextureBridge> surface_texture_bridge,
int primary_id,
int secondary_id) {
JNIEnv* env = base::android::AttachCurrentThread();
content::Java_SandboxedProcessService_establishSurfaceTexturePeer(
env, service_, pid,
surface_texture_bridge->j_surface_texture().obj(), primary_id,
secondary_id);
CheckException(env);
}
private:
// The instance of org.chromium.content.app.SandboxedProcessService.
jobject service_;
DISALLOW_COPY_AND_ASSIGN(SurfaceTexturePeerSandboxedImpl);
};
// Chrome actually uses the renderer code path for all of its sandboxed
// processes such as renderers, plugins, etc.
void InternalInitSandboxedProcess(const std::vector<int>& file_ids,
const std::vector<int>& file_fds,
JNIEnv* env,
jclass clazz,
jobject context,
jobject service,
jint cpu_count,
jlong cpu_features) {
// Set the CPU properties.
android_setCpu(cpu_count, cpu_features);
// Register the file descriptors.
// This includes the IPC channel, the crash dump signals and resource related
// files.
DCHECK(file_fds.size() == file_ids.size());
for (size_t i = 0; i < file_ids.size(); ++i)
base::GlobalDescriptors::GetInstance()->Set(file_ids[i], file_fds[i]);
content::SurfaceTexturePeer::InitInstance(
new SurfaceTexturePeerSandboxedImpl(service));
}
void QuitSandboxMainThreadMessageLoop() {
MessageLoop::current()->Quit();
}
} // namespace <anonymous>
namespace content {
void InitSandboxedProcess(JNIEnv* env,
jclass clazz,
jobject context,
jobject service,
jintArray j_file_ids,
jintArray j_file_fds,
jint cpu_count,
jlong cpu_features) {
std::vector<int> file_ids;
std::vector<int> file_fds;
JavaIntArrayToIntVector(env, j_file_ids, &file_ids);
JavaIntArrayToIntVector(env, j_file_fds, &file_fds);
InternalInitSandboxedProcess(
file_ids, file_fds, env, clazz, context, service,
cpu_count, cpu_features);
}
void ExitSandboxedProcess(JNIEnv* env, jclass clazz) {
LOG(INFO) << "SandboxedProcessService: Exiting sandboxed process.";
LibraryLoaderExitHook();
_exit(0);
}
bool RegisterSandboxedProcessService(JNIEnv* env) {
return RegisterNativesImpl(env);
}
void ShutdownSandboxMainThread(JNIEnv* env, jobject obj) {
ChildProcess* current_process = ChildProcess::current();
if (!current_process)
return;
ChildThread* main_child_thread = current_process->main_thread();
if (main_child_thread && main_child_thread->message_loop())
main_child_thread->message_loop()->PostTask(FROM_HERE,
base::Bind(&QuitSandboxMainThreadMessageLoop));
}
} // namespace content
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