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Use a more compact license header in source files.
git-svn-id: svn://svn.chromium.org/chrome/trunk/src@1287 0039d316-1c4b-4281-b951-d872f2087c98
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Aug 24, 2008
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -1,90 +1,66 @@ | ||
| // Copyright 2008, Google Inc. | ||
| // All rights reserved. | ||
| // | ||
| // Redistribution and use in source and binary forms, with or without | ||
| // modification, are permitted provided that the following conditions are | ||
| // met: | ||
| // | ||
| // * Redistributions of source code must retain the above copyright | ||
| // notice, this list of conditions and the following disclaimer. | ||
| // * Redistributions in binary form must reproduce the above | ||
| // copyright notice, this list of conditions and the following disclaimer | ||
| // in the documentation and/or other materials provided with the | ||
| // distribution. | ||
| // * Neither the name of Google Inc. nor the names of its | ||
| // contributors may be used to endorse or promote products derived from | ||
| // this software without specific prior written permission. | ||
| // | ||
| // THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS | ||
| // "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT | ||
| // LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR | ||
| // A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT | ||
| // OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, | ||
| // SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT | ||
| // LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, | ||
| // DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY | ||
| // THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT | ||
| // (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE | ||
| // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. | ||
|
|
||
| #include "base/at_exit.h" | ||
| #include "base/logging.h" | ||
|
|
||
| namespace base { | ||
|
|
||
| // Keep a stack of registered AtExitManagers. We always operate on the most | ||
| // recent, and we should never have more than one outside of testing, when we | ||
| // use the shadow version of the constructor. We don't protect this for | ||
| // thread-safe access, since it will only be modified in testing. | ||
| static AtExitManager* g_top_manager = NULL; | ||
|
|
||
| AtExitManager::AtExitManager() : next_manager_(NULL) { | ||
| DCHECK(!g_top_manager); | ||
| g_top_manager = this; | ||
| } | ||
|
|
||
| AtExitManager::AtExitManager(bool shadow) : next_manager_(g_top_manager) { | ||
| DCHECK(shadow || !g_top_manager); | ||
| g_top_manager = this; | ||
| } | ||
|
|
||
| AtExitManager::~AtExitManager() { | ||
| if (!g_top_manager) { | ||
| NOTREACHED() << "Tried to ~AtExitManager without an AtExitManager"; | ||
| return; | ||
| } | ||
| DCHECK(g_top_manager == this); | ||
|
|
||
| ProcessCallbacksNow(); | ||
| g_top_manager = next_manager_; | ||
| } | ||
|
|
||
| // static | ||
| void AtExitManager::RegisterCallback(AtExitCallbackType func) { | ||
| if (!g_top_manager) { | ||
| NOTREACHED() << "Tried to RegisterCallback without an AtExitManager"; | ||
| return; | ||
| } | ||
|
|
||
| AutoLock lock(g_top_manager->lock_); | ||
| g_top_manager->stack_.push(func); | ||
| } | ||
|
|
||
| // static | ||
| void AtExitManager::ProcessCallbacksNow() { | ||
| if (!g_top_manager) { | ||
| NOTREACHED() << "Tried to ProcessCallbacksNow without an AtExitManager"; | ||
| return; | ||
| } | ||
|
|
||
| AutoLock lock(g_top_manager->lock_); | ||
|
|
||
| while (!g_top_manager->stack_.empty()) { | ||
| AtExitCallbackType func = g_top_manager->stack_.top(); | ||
| g_top_manager->stack_.pop(); | ||
| if (func) | ||
| func(); | ||
| } | ||
| } | ||
|
|
||
| } // namespace base | ||
| // Copyright (c) 2006-2008 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. | ||
|
|
||
| #include "base/at_exit.h" | ||
| #include "base/logging.h" | ||
|
|
||
| namespace base { | ||
|
|
||
| // Keep a stack of registered AtExitManagers. We always operate on the most | ||
| // recent, and we should never have more than one outside of testing, when we | ||
| // use the shadow version of the constructor. We don't protect this for | ||
| // thread-safe access, since it will only be modified in testing. | ||
| static AtExitManager* g_top_manager = NULL; | ||
|
|
||
| AtExitManager::AtExitManager() : next_manager_(NULL) { | ||
| DCHECK(!g_top_manager); | ||
| g_top_manager = this; | ||
| } | ||
|
|
||
| AtExitManager::AtExitManager(bool shadow) : next_manager_(g_top_manager) { | ||
| DCHECK(shadow || !g_top_manager); | ||
| g_top_manager = this; | ||
| } | ||
|
|
||
| AtExitManager::~AtExitManager() { | ||
| if (!g_top_manager) { | ||
| NOTREACHED() << "Tried to ~AtExitManager without an AtExitManager"; | ||
| return; | ||
| } | ||
| DCHECK(g_top_manager == this); | ||
|
|
||
| ProcessCallbacksNow(); | ||
| g_top_manager = next_manager_; | ||
| } | ||
|
|
||
| // static | ||
| void AtExitManager::RegisterCallback(AtExitCallbackType func) { | ||
| if (!g_top_manager) { | ||
| NOTREACHED() << "Tried to RegisterCallback without an AtExitManager"; | ||
| return; | ||
| } | ||
|
|
||
| AutoLock lock(g_top_manager->lock_); | ||
| g_top_manager->stack_.push(func); | ||
| } | ||
|
|
||
| // static | ||
| void AtExitManager::ProcessCallbacksNow() { | ||
| if (!g_top_manager) { | ||
| NOTREACHED() << "Tried to ProcessCallbacksNow without an AtExitManager"; | ||
| return; | ||
| } | ||
|
|
||
| AutoLock lock(g_top_manager->lock_); | ||
|
|
||
| while (!g_top_manager->stack_.empty()) { | ||
| AtExitCallbackType func = g_top_manager->stack_.top(); | ||
| g_top_manager->stack_.pop(); | ||
| if (func) | ||
| func(); | ||
| } | ||
| } | ||
|
|
||
| } // namespace base | ||
|
|
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -1,89 +1,65 @@ | ||
| // Copyright 2008, Google Inc. | ||
| // All rights reserved. | ||
| // | ||
| // Redistribution and use in source and binary forms, with or without | ||
| // modification, are permitted provided that the following conditions are | ||
| // met: | ||
| // | ||
| // * Redistributions of source code must retain the above copyright | ||
| // notice, this list of conditions and the following disclaimer. | ||
| // * Redistributions in binary form must reproduce the above | ||
| // copyright notice, this list of conditions and the following disclaimer | ||
| // in the documentation and/or other materials provided with the | ||
| // distribution. | ||
| // * Neither the name of Google Inc. nor the names of its | ||
| // contributors may be used to endorse or promote products derived from | ||
| // this software without specific prior written permission. | ||
| // | ||
| // THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS | ||
| // "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT | ||
| // LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR | ||
| // A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT | ||
| // OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, | ||
| // SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT | ||
| // LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, | ||
| // DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY | ||
| // THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT | ||
| // (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE | ||
| // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. | ||
|
|
||
| #ifndef BASE_AT_EXIT_H_ | ||
| #define BASE_AT_EXIT_H_ | ||
|
|
||
| #include <stack> | ||
|
|
||
| #include "base/basictypes.h" | ||
| #include "base/lock.h" | ||
|
|
||
| namespace base { | ||
|
|
||
| // This class provides a facility similar to the CRT atexit(), except that | ||
| // we control when the callbacks are executed. Under Windows for a DLL they | ||
| // happen at a really bad time and under the loader lock. This facility is | ||
| // mostly used by base::Singleton. | ||
| // | ||
| // The usage is simple. Early in the main() or WinMain() scope create an | ||
| // AtExitManager object on the stack: | ||
| // int main(...) { | ||
| // base::AtExitManager exit_manager; | ||
| // | ||
| // } | ||
| // When the exit_manager object goes out of scope, all the registered | ||
| // callbacks and singleton destructors will be called. | ||
|
|
||
| class AtExitManager { | ||
| protected: | ||
| // This constructor will allow this instance of AtExitManager to be created | ||
| // even if one already exists. This should only be used for testing! | ||
| // AtExitManagers are kept on a global stack, and it will be removed during | ||
| // destruction. This allows you to shadow another AtExitManager. | ||
| AtExitManager(bool shadow); | ||
|
|
||
| public: | ||
| typedef void (*AtExitCallbackType)(); | ||
|
|
||
| AtExitManager(); | ||
|
|
||
| // The dtor calls all the registered callbacks. Do not try to register more | ||
| // callbacks after this point. | ||
| ~AtExitManager(); | ||
|
|
||
| // Registers the specified function to be called at exit. The prototype of | ||
| // the callback function is void func(). | ||
| static void RegisterCallback(AtExitCallbackType func); | ||
|
|
||
| // Calls the functions registered with RegisterCallback in LIFO order. It | ||
| // is possible to register new callbacks after calling this function. | ||
| static void ProcessCallbacksNow(); | ||
|
|
||
| private: | ||
| Lock lock_; | ||
| std::stack<AtExitCallbackType> stack_; | ||
| AtExitManager* next_manager_; // Stack of managers to allow shadowing. | ||
|
|
||
| DISALLOW_COPY_AND_ASSIGN(AtExitManager); | ||
| }; | ||
|
|
||
| } // namespace base | ||
|
|
||
| #endif // BASE_AT_EXIT_H_ | ||
| // Copyright (c) 2006-2008 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 BASE_AT_EXIT_H_ | ||
| #define BASE_AT_EXIT_H_ | ||
|
|
||
| #include <stack> | ||
|
|
||
| #include "base/basictypes.h" | ||
| #include "base/lock.h" | ||
|
|
||
| namespace base { | ||
|
|
||
| // This class provides a facility similar to the CRT atexit(), except that | ||
| // we control when the callbacks are executed. Under Windows for a DLL they | ||
| // happen at a really bad time and under the loader lock. This facility is | ||
| // mostly used by base::Singleton. | ||
| // | ||
| // The usage is simple. Early in the main() or WinMain() scope create an | ||
| // AtExitManager object on the stack: | ||
| // int main(...) { | ||
| // base::AtExitManager exit_manager; | ||
| // | ||
| // } | ||
| // When the exit_manager object goes out of scope, all the registered | ||
| // callbacks and singleton destructors will be called. | ||
|
|
||
| class AtExitManager { | ||
| protected: | ||
| // This constructor will allow this instance of AtExitManager to be created | ||
| // even if one already exists. This should only be used for testing! | ||
| // AtExitManagers are kept on a global stack, and it will be removed during | ||
| // destruction. This allows you to shadow another AtExitManager. | ||
| AtExitManager(bool shadow); | ||
|
|
||
| public: | ||
| typedef void (*AtExitCallbackType)(); | ||
|
|
||
| AtExitManager(); | ||
|
|
||
| // The dtor calls all the registered callbacks. Do not try to register more | ||
| // callbacks after this point. | ||
| ~AtExitManager(); | ||
|
|
||
| // Registers the specified function to be called at exit. The prototype of | ||
| // the callback function is void func(). | ||
| static void RegisterCallback(AtExitCallbackType func); | ||
|
|
||
| // Calls the functions registered with RegisterCallback in LIFO order. It | ||
| // is possible to register new callbacks after calling this function. | ||
| static void ProcessCallbacksNow(); | ||
|
|
||
| private: | ||
| Lock lock_; | ||
| std::stack<AtExitCallbackType> stack_; | ||
| AtExitManager* next_manager_; // Stack of managers to allow shadowing. | ||
|
|
||
| DISALLOW_COPY_AND_ASSIGN(AtExitManager); | ||
| }; | ||
|
|
||
| } // namespace base | ||
|
|
||
| #endif // BASE_AT_EXIT_H_ | ||
|
|
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