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1 // Copyright (c) 2006-2008 The Chromium Authors. All rights reserved. | 1 // Copyright (c) 2006-2008 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 BASE_AT_EXIT_H_ | 5 #ifndef BASE_AT_EXIT_H_ |
6 #define BASE_AT_EXIT_H_ | 6 #define BASE_AT_EXIT_H_ |
7 | 7 |
8 #include <stack> | 8 #include <stack> |
9 | 9 |
10 #include "base/basictypes.h" | 10 #include "base/basictypes.h" |
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28 | 28 |
29 class AtExitManager { | 29 class AtExitManager { |
30 protected: | 30 protected: |
31 // This constructor will allow this instance of AtExitManager to be created | 31 // This constructor will allow this instance of AtExitManager to be created |
32 // even if one already exists. This should only be used for testing! | 32 // even if one already exists. This should only be used for testing! |
33 // AtExitManagers are kept on a global stack, and it will be removed during | 33 // AtExitManagers are kept on a global stack, and it will be removed during |
34 // destruction. This allows you to shadow another AtExitManager. | 34 // destruction. This allows you to shadow another AtExitManager. |
35 AtExitManager(bool shadow); | 35 AtExitManager(bool shadow); |
36 | 36 |
37 public: | 37 public: |
38 typedef void (*AtExitCallbackType)(); | 38 typedef void (*AtExitCallbackType)(void*); |
39 | 39 |
40 AtExitManager(); | 40 AtExitManager(); |
41 | 41 |
42 // The dtor calls all the registered callbacks. Do not try to register more | 42 // The dtor calls all the registered callbacks. Do not try to register more |
43 // callbacks after this point. | 43 // callbacks after this point. |
44 ~AtExitManager(); | 44 ~AtExitManager(); |
45 | 45 |
46 // Registers the specified function to be called at exit. The prototype of | 46 // Registers the specified function to be called at exit. The prototype of |
47 // the callback function is void func(). | 47 // the callback function is void func(). |
48 static void RegisterCallback(AtExitCallbackType func); | 48 static void RegisterCallback(AtExitCallbackType func, void* param); |
49 | 49 |
50 // Calls the functions registered with RegisterCallback in LIFO order. It | 50 // Calls the functions registered with RegisterCallback in LIFO order. It |
51 // is possible to register new callbacks after calling this function. | 51 // is possible to register new callbacks after calling this function. |
52 static void ProcessCallbacksNow(); | 52 static void ProcessCallbacksNow(); |
53 | 53 |
54 private: | 54 private: |
| 55 struct CallbackAndParam { |
| 56 CallbackAndParam(AtExitCallbackType func, void* param) |
| 57 : func_(func), param_(param) { } |
| 58 AtExitCallbackType func_; |
| 59 void* param_; |
| 60 }; |
| 61 |
55 Lock lock_; | 62 Lock lock_; |
56 std::stack<AtExitCallbackType> stack_; | 63 std::stack<CallbackAndParam> stack_; |
57 AtExitManager* next_manager_; // Stack of managers to allow shadowing. | 64 AtExitManager* next_manager_; // Stack of managers to allow shadowing. |
58 | 65 |
59 DISALLOW_COPY_AND_ASSIGN(AtExitManager); | 66 DISALLOW_COPY_AND_ASSIGN(AtExitManager); |
60 }; | 67 }; |
61 | 68 |
62 } // namespace base | 69 } // namespace base |
63 | 70 |
64 #endif // BASE_AT_EXIT_H_ | 71 #endif // BASE_AT_EXIT_H_ |
65 | |
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