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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.
#ifndef SERVICES_SERVICE_MANAGER_ZYGOTE_HOST_ZYGOTE_HOST_IMPL_LINUX_H_
#define SERVICES_SERVICE_MANAGER_ZYGOTE_HOST_ZYGOTE_HOST_IMPL_LINUX_H_
#include <sys/types.h>
#include <set>
#include <string>
#include "base/command_line.h"
#include "base/component_export.h"
#include "base/files/scoped_file.h"
#include "base/process/launch.h"
#include "base/process/process_handle.h"
#include "base/synchronization/lock.h"
#include "services/service_manager/zygote/zygote_host_linux.h"
namespace base {
template <typename Type>
struct DefaultSingletonTraits;
} // namespace base
namespace service_manager {
class COMPONENT_EXPORT(SERVICE_MANAGER_ZYGOTE) ZygoteHostImpl
: public ZygoteHost {
public:
// Returns the singleton instance.
static ZygoteHostImpl* GetInstance();
void Init(const base::CommandLine& cmd_line);
// Returns whether or not this pid is the pid of a zygote.
bool IsZygotePid(pid_t pid) override;
void SetRendererSandboxStatus(int status);
int GetRendererSandboxStatus() const override;
pid_t LaunchZygote(base::CommandLine* cmd_line,
base::ScopedFD* control_fd,
base::FileHandleMappingVector additional_remapped_fds);
void AdjustRendererOOMScore(base::ProcessHandle process_handle,
int score) override;
private:
friend struct base::DefaultSingletonTraits<ZygoteHostImpl>;
ZygoteHostImpl();
~ZygoteHostImpl() override;
// Tells the ZygoteHost the PIDs of all the zygotes.
void AddZygotePid(pid_t pid);
int renderer_sandbox_status_;
bool use_namespace_sandbox_;
bool use_suid_sandbox_;
bool use_suid_sandbox_for_adj_oom_score_;
std::string sandbox_binary_;
// This lock protects the |zygote_pids_| set.
base::Lock zygote_pids_lock_;
// This is a set of PIDs representing all the running zygotes.
std::set<pid_t> zygote_pids_;
};
} // namespace service_manager
#endif // SERVICES_SERVICE_MANAGER_ZYGOTE_HOST_ZYGOTE_HOST_IMPL_LINUX_H_