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Issue 3046049: Add information about memory allocator's size and capacity and heap snapshot into heap stats. (Closed)
Patch Set: Slava's variant of wording Created 10 years, 4 months ago
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1 // Copyright 2006-2008 the V8 project authors. All rights reserved. 1 // Copyright 2006-2008 the V8 project authors. All rights reserved.
2 // Redistribution and use in source and binary forms, with or without 2 // Redistribution and use in source and binary forms, with or without
3 // modification, are permitted provided that the following conditions are 3 // modification, are permitted provided that the following conditions are
4 // met: 4 // met:
5 // 5 //
6 // * Redistributions of source code must retain the above copyright 6 // * Redistributions of source code must retain the above copyright
7 // notice, this list of conditions and the following disclaimer. 7 // notice, this list of conditions and the following disclaimer.
8 // * Redistributions in binary form must reproduce the above 8 // * Redistributions in binary form must reproduce the above
9 // copyright notice, this list of conditions and the following 9 // copyright notice, this list of conditions and the following
10 // disclaimer in the documentation and/or other materials provided 10 // disclaimer in the documentation and/or other materials provided
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85 // initial state is created by reading the deserialized data into an 85 // initial state is created by reading the deserialized data into an
86 // empty heap. 86 // empty heap.
87 static bool Initialize(Deserializer* des); 87 static bool Initialize(Deserializer* des);
88 static void TearDown(); 88 static void TearDown();
89 static bool IsRunning() { return is_running_; } 89 static bool IsRunning() { return is_running_; }
90 // To be dead you have to have lived 90 // To be dead you have to have lived
91 static bool IsDead() { return has_fatal_error_ || has_been_disposed_; } 91 static bool IsDead() { return has_fatal_error_ || has_been_disposed_; }
92 static void SetFatalError(); 92 static void SetFatalError();
93 93
94 // Report process out of memory. Implementation found in api.cc. 94 // Report process out of memory. Implementation found in api.cc.
95 static void FatalProcessOutOfMemory(const char* location); 95 static void FatalProcessOutOfMemory(const char* location,
96 bool take_snapshot = false);
96 97
97 // Random number generation support. Not cryptographically safe. 98 // Random number generation support. Not cryptographically safe.
98 static uint32_t Random(); 99 static uint32_t Random();
99 static Object* FillHeapNumberWithRandom(Object* heap_number); 100 static Object* FillHeapNumberWithRandom(Object* heap_number);
100 101
101 // Idle notification directly from the API. 102 // Idle notification directly from the API.
102 static bool IdleNotification(); 103 static bool IdleNotification();
103 104
104 private: 105 private:
105 // True if engine is currently running 106 // True if engine is currently running
106 static bool is_running_; 107 static bool is_running_;
107 // True if V8 has ever been run 108 // True if V8 has ever been run
108 static bool has_been_setup_; 109 static bool has_been_setup_;
109 // True if error has been signaled for current engine 110 // True if error has been signaled for current engine
110 // (reset to false if engine is restarted) 111 // (reset to false if engine is restarted)
111 static bool has_fatal_error_; 112 static bool has_fatal_error_;
112 // True if engine has been shut down 113 // True if engine has been shut down
113 // (reset if engine is restarted) 114 // (reset if engine is restarted)
114 static bool has_been_disposed_; 115 static bool has_been_disposed_;
115 }; 116 };
116 117
117 } } // namespace v8::internal 118 } } // namespace v8::internal
118 119
119 namespace i = v8::internal; 120 namespace i = v8::internal;
120 121
121 #endif // V8_V8_H_ 122 #endif // V8_V8_H_
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