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Move mutex.h header to public internal #792
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2e50795
Move app/src/mutex.h to app/src/include/firebase/internal/mutex.h
dconeybe 81737b8
Adjust include paths to mutex.h
dconeybe e3b320f
Format code, which fixes a couple of include ordering issues
dconeybe 1cd055b
Fixy Doxyfile to exclude the internal directory
dconeybe 98c0aa1
testing/CMakeLists.txt: Add app/src/include to the target_include_dir…
dconeybe 7c5b870
Revert "Adjust include paths to mutex.h".
dconeybe 2327889
Add back app/src/mutex.h that just redirects to app/src/include/fireb…
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Original file line number | Diff line number | Diff line change |
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/* | ||
* Copyright 2016 Google LLC | ||
* | ||
* Licensed under the Apache License, Version 2.0 (the "License"); | ||
* you may not use this file except in compliance with the License. | ||
* You may obtain a copy of the License at | ||
* | ||
* http://www.apache.org/licenses/LICENSE-2.0 | ||
* | ||
* Unless required by applicable law or agreed to in writing, software | ||
* distributed under the License is distributed on an "AS IS" BASIS, | ||
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. | ||
* See the License for the specific language governing permissions and | ||
* limitations under the License. | ||
*/ | ||
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#ifndef FIREBASE_APP_SRC_INCLUDE_FIREBASE_INTERNAL_MUTEX_H_ | ||
#define FIREBASE_APP_SRC_INCLUDE_FIREBASE_INTERNAL_MUTEX_H_ | ||
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#include "firebase/internal/platform.h" | ||
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#if FIREBASE_PLATFORM_WINDOWS | ||
#include <windows.h> | ||
#else | ||
#include <pthread.h> | ||
#endif // FIREBASE_PLATFORM_WINDOWS | ||
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namespace firebase { | ||
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/// @brief A simple synchronization lock. Only one thread at a time can Acquire. | ||
class Mutex { | ||
public: | ||
// Bitfield that describes the mutex configuration. | ||
enum Mode { | ||
kModeNonRecursive = (0 << 0), | ||
kModeRecursive = (1 << 0), | ||
}; | ||
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Mutex() : Mutex(kModeRecursive) {} | ||
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explicit Mutex(Mode mode); | ||
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~Mutex(); | ||
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// Acquires the lock for this mutex, blocking until it is available. | ||
void Acquire(); | ||
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// Releases the lock for this mutex acquired by a previous `Acquire()` call. | ||
void Release(); | ||
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// Returns the implementation-defined native mutex handle. | ||
// Used by firebase::Thread implementation. | ||
#if FIREBASE_PLATFORM_WINDOWS | ||
HANDLE* native_handle() { return &synchronization_object_; } | ||
#else | ||
pthread_mutex_t* native_handle() { return &mutex_; } | ||
#endif // FIREBASE_PLATFORM_WINDOWS | ||
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private: | ||
Mutex(const Mutex&) = delete; | ||
Mutex& operator=(const Mutex&) = delete; | ||
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#if FIREBASE_PLATFORM_WINDOWS | ||
HANDLE synchronization_object_; | ||
Mode mode_; | ||
#else | ||
pthread_mutex_t mutex_; | ||
#endif // FIREBASE_PLATFORM_WINDOWS | ||
}; | ||
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/// @brief Acquire and hold a /ref Mutex, while in scope. | ||
/// | ||
/// Example usage: | ||
/// \code{.cpp} | ||
/// Mutex syncronization_mutex; | ||
/// void MyFunctionThatRequiresSynchronization() { | ||
/// MutexLock lock(syncronization_mutex); | ||
/// // ... logic ... | ||
/// } | ||
/// \endcode | ||
class MutexLock { | ||
public: | ||
explicit MutexLock(Mutex& mutex) : mutex_(&mutex) { mutex_->Acquire(); } | ||
~MutexLock() { mutex_->Release(); } | ||
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private: | ||
// Copy is disallowed. | ||
MutexLock(const MutexLock& rhs); // NOLINT | ||
MutexLock& operator=(const MutexLock& rhs); | ||
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Mutex* mutex_; | ||
}; | ||
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} // namespace firebase | ||
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#endif // FIREBASE_APP_SRC_INCLUDE_FIREBASE_INTERNAL_MUTEX_H_ |
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📝 Documentation issue:
[10 lines up] warning: Member MutexLock(Mutex &mutex) (function) of class firebase::MutexLock is not documented.