1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
|
// Copyright 2012 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#ifndef CONTENT_BROWSER_ZYGOTE_HOST_ZYGOTE_HOST_IMPL_LINUX_H_
#define CONTENT_BROWSER_ZYGOTE_HOST_ZYGOTE_HOST_IMPL_LINUX_H_
#include <sys/types.h>
#include <set>
#include <string>
#include "base/command_line.h"
#include "base/files/scoped_file.h"
#include "base/process/launch.h"
#include "base/process/process_handle.h"
#include "base/synchronization/lock.h"
#include "content/common/content_export.h"
#include "content/public/browser/zygote_host/zygote_host_linux.h"
#if BUILDFLAG(IS_CHROMEOS)
#include "base/files/platform_file.h"
#endif // BUILDFLAG(IS_CHROMEOS)
namespace base {
template <typename Type>
struct DefaultSingletonTraits;
} // namespace base
namespace content {
class CONTENT_EXPORT 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() 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;
#if BUILDFLAG(IS_CHROMEOS)
void ReinitializeLogging(uint32_t logging_dest,
base::PlatformFile log_file_fd) override;
#endif // BUILDFLAG(IS_CHROMEOS)
bool HasZygote() { return !zygote_pids_.empty(); }
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 content
#endif // CONTENT_BROWSER_ZYGOTE_HOST_ZYGOTE_HOST_IMPL_LINUX_H_
|
