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Side by Side Diff: content/browser/mach_broker_mac.h

Issue 345373002: Revert of Define a bootstrap sandbox policy for renderer processes and enable it. (Closed) Base URL: svn://svn.chromium.org/chrome/trunk/src
Patch Set: Created 6 years, 6 months ago
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1 // Copyright (c) 2012 The Chromium Authors. All rights reserved. 1 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
2 // Use of this source code is governed by a BSD-style license that can be 2 // Use of this source code is governed by a BSD-style license that can be
3 // found in the LICENSE file. 3 // found in the LICENSE file.
4 4
5 #ifndef CONTENT_BROWSER_MACH_BROKER_MAC_H_ 5 #ifndef CONTENT_BROWSER_MACH_BROKER_MAC_H_
6 #define CONTENT_BROWSER_MACH_BROKER_MAC_H_ 6 #define CONTENT_BROWSER_MACH_BROKER_MAC_H_
7 7
8 #include <map> 8 #include <map>
9 #include <string> 9 #include <string>
10 10
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37 class CONTENT_EXPORT MachBroker : public base::ProcessMetrics::PortProvider, 37 class CONTENT_EXPORT MachBroker : public base::ProcessMetrics::PortProvider,
38 public BrowserChildProcessObserver, 38 public BrowserChildProcessObserver,
39 public NotificationObserver { 39 public NotificationObserver {
40 public: 40 public:
41 // For use in child processes. This will send the task port of the current 41 // For use in child processes. This will send the task port of the current
42 // process over Mach IPC to the port registered by name (via this class) in 42 // process over Mach IPC to the port registered by name (via this class) in
43 // the parent process. Returns true if the message was sent successfully 43 // the parent process. Returns true if the message was sent successfully
44 // and false if otherwise. 44 // and false if otherwise.
45 static bool ChildSendTaskPortToParent(); 45 static bool ChildSendTaskPortToParent();
46 46
47 // Returns the Mach port name to use when sending or receiving messages.
48 // Does the Right Thing in the browser and in child processes.
49 static std::string GetMachPortName();
50
51 // Returns the global MachBroker. 47 // Returns the global MachBroker.
52 static MachBroker* GetInstance(); 48 static MachBroker* GetInstance();
53 49
54 // The lock that protects this MachBroker object. Clients MUST acquire and 50 // The lock that protects this MachBroker object. Clients MUST acquire and
55 // release this lock around calls to EnsureRunning(), PlaceholderForPid(), 51 // release this lock around calls to EnsureRunning(), PlaceholderForPid(),
56 // and FinalizePid(). 52 // and FinalizePid().
57 base::Lock& GetLock(); 53 base::Lock& GetLock();
58 54
59 // Performs any necessary setup that cannot happen in the constructor. 55 // Performs any necessary setup that cannot happen in the constructor.
60 // Callers MUST acquire the lock given by GetLock() before calling this 56 // Callers MUST acquire the lock given by GetLock() before calling this
(...skipping 29 matching lines...) Expand all
90 86
91 // Updates the mapping for |pid| to include the given |mach_info|. Does 87 // Updates the mapping for |pid| to include the given |mach_info|. Does
92 // nothing if PlaceholderForPid() has not already been called for the given 88 // nothing if PlaceholderForPid() has not already been called for the given
93 // |pid|. Callers MUST acquire the lock given by GetLock() before calling 89 // |pid|. Callers MUST acquire the lock given by GetLock() before calling
94 // this method (and release the lock afterwards). 90 // this method (and release the lock afterwards).
95 void FinalizePid(base::ProcessHandle pid, mach_port_t task_port); 91 void FinalizePid(base::ProcessHandle pid, mach_port_t task_port);
96 92
97 // Removes all mappings belonging to |pid| from the broker. 93 // Removes all mappings belonging to |pid| from the broker.
98 void InvalidatePid(base::ProcessHandle pid); 94 void InvalidatePid(base::ProcessHandle pid);
99 95
96 // Returns the Mach port name to use when sending or receiving messages.
97 // Does the Right Thing in the browser and in child processes.
98 static std::string GetMachPortName();
100 // Callback used to register notifications on the UI thread. 99 // Callback used to register notifications on the UI thread.
101 void RegisterNotifications(); 100 void RegisterNotifications();
102 101
103 // True if the listener thread has been started. 102 // True if the listener thread has been started.
104 bool listener_thread_started_; 103 bool listener_thread_started_;
105 104
106 // Used to register for notifications received by NotificationObserver. 105 // Used to register for notifications received by NotificationObserver.
107 // Accessed only on the UI thread. 106 // Accessed only on the UI thread.
108 NotificationRegistrar registrar_; 107 NotificationRegistrar registrar_;
109 108
110 // Stores mach info for every process in the broker. 109 // Stores mach info for every process in the broker.
111 typedef std::map<base::ProcessHandle, mach_port_t> MachMap; 110 typedef std::map<base::ProcessHandle, mach_port_t> MachMap;
112 MachMap mach_map_; 111 MachMap mach_map_;
113 112
114 // Mutex that guards |mach_map_|. 113 // Mutex that guards |mach_map_|.
115 mutable base::Lock lock_; 114 mutable base::Lock lock_;
116 115
117 DISALLOW_COPY_AND_ASSIGN(MachBroker); 116 DISALLOW_COPY_AND_ASSIGN(MachBroker);
118 }; 117 };
119 118
120 } // namespace content 119 } // namespace content
121 120
122 #endif // CONTENT_BROWSER_MACH_BROKER_MAC_H_ 121 #endif // CONTENT_BROWSER_MACH_BROKER_MAC_H_
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