NekoCWD/libcamera
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android: camera_stream: Add thread safety annotation

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This applies clang thread safety annotation to CameraStream.

Signed-off-by: Hirokazu Honda <hiroh@chromium.org>
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Reviewed-by: Umang Jain <umang.jain@ideasonboard.com>
Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
This commit is contained in:
Hirokazu Honda 2021-12-01 16:53:45 +09:00 • committed by Laurent Pinchart
parent 5e0d3a3517
commit 97ab0074ec
2 changed files with 6 additions and 4 deletions
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2
src/android/camera_stream.cpp
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@ -275,7 +275,7 @@ void CameraStream::PostProcessorWorker::run()
MutexLocker locker(mutex_);
while (1) {
cv_.wait(locker, [&] {
cv_.wait(locker, [&]() LIBCAMERA_TSA_REQUIRES(mutex_) {
return state_ != State::Running || !requests_.empty();
});

8
src/android/camera_stream.h
View file

@ -155,8 +155,10 @@ private:
libcamera::Mutex mutex_;
libcamera::ConditionVariable cv_;
std::queue<Camera3RequestDescriptor::StreamBuffer *> requests_;
State state_ = State::Stopped;
std::queue<Camera3RequestDescriptor::StreamBuffer *> requests_
LIBCAMERA_TSA_GUARDED_BY(mutex_);
State state_ LIBCAMERA_TSA_GUARDED_BY(mutex_) = State::Stopped;
};
int waitFence(int fence);
@ -168,7 +170,7 @@ private:
const unsigned int index_;
std::unique_ptr<libcamera::FrameBufferAllocator> allocator_;
std::vector<libcamera::FrameBuffer *> buffers_;
std::vector<libcamera::FrameBuffer *> buffers_ LIBCAMERA_TSA_GUARDED_BY(mutex_);
/*
* The class has to be MoveConstructible as instances are stored in
* an std::vector in CameraDevice.