NekoCWD/libcamera
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v4l2: Consolidate mutex classes to Mutex and MutexLocker

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std::mutex and std::unique_lock are used in v4l2 directory,
mixing Mutex and MutexLocker. This consolidates them to Mutex
and MutexLocker.

This also fixes vidioc_dqbuf argument to take Mutex instead of
MutexLocker.

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 16:53:39 +09:00 • committed by Laurent Pinchart
parent 3536473e06
commit 7b86854e40
3 changed files with 9 additions and 7 deletions
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8
src/v4l2/v4l2_camera_proxy.cpp
View file

@ -575,7 +575,7 @@ int V4L2CameraProxy::vidioc_qbuf(V4L2CameraFile *file, struct v4l2_buffer *arg)
}
int V4L2CameraProxy::vidioc_dqbuf(V4L2CameraFile *file, struct v4l2_buffer *arg,
MutexLocker *locker)
Mutex *lock)
{
LOG(V4L2Compat, Debug) << "Servicing vidioc_dqbuf fd = " << file->efd();
@ -593,9 +593,9 @@ int V4L2CameraProxy::vidioc_dqbuf(V4L2CameraFile *file, struct v4l2_buffer *arg,
return -EINVAL;
if (!file->nonBlocking()) {
locker->unlock();
lock->unlock();
vcam_->waitForBufferAvailable();
locker->lock();
lock->lock();
} else if (!vcam_->isBufferAvailable())
return -EAGAIN;
@ -753,7 +753,7 @@ int V4L2CameraProxy::ioctl(V4L2CameraFile *file, unsigned long request, void *ar
ret = vidioc_qbuf(file, static_cast<struct v4l2_buffer *>(arg));
break;
case VIDIOC_DQBUF:
ret = vidioc_dqbuf(file, static_cast<struct v4l2_buffer *>(arg), &locker);
ret = vidioc_dqbuf(file, static_cast<struct v4l2_buffer *>(arg), &proxyMutex_);
break;
case VIDIOC_STREAMON:
ret = vidioc_streamon(file, static_cast<int *>(arg));