[libcamera-devel] [PATCH v2 06/11] android: camera_hal_manager: Add thread safety annotation

Hirokazu Honda hiroh at chromium.org
Mon Nov 29 12:44:48 CET 2021


This applies clang thread safety annotation to CameraHalManager.

Signed-off-by: Hirokazu Honda <hiroh at chromium.org>
Reviewed-by: Laurent Pinchart <laurent.pinchart at ideasonboard.com>
Reviewed-by: Umang Jain <umang.jain at ideasonboard.com>
---
 src/android/camera_hal_manager.h | 10 +++++-----
 1 file changed, 5 insertions(+), 5 deletions(-)

diff --git a/src/android/camera_hal_manager.h b/src/android/camera_hal_manager.h
index c07684a1..5395d419 100644
--- a/src/android/camera_hal_manager.h
+++ b/src/android/camera_hal_manager.h
@@ -8,7 +8,6 @@
 #pragma once
 
 #include <map>
-#include <mutex>
 #include <stddef.h>
 #include <tuple>
 #include <vector>
@@ -18,7 +17,8 @@
 #include <system/camera_metadata.h>
 
 #include <libcamera/base/class.h>
-#include <libcamera/base/thread.h>
+#include <libcamera/base/mutex.h>
+#include <libcamera/base/thread_annotations.h>
 
 #include <libcamera/camera_manager.h>
 
@@ -54,14 +54,14 @@ private:
 	void cameraAdded(std::shared_ptr<libcamera::Camera> cam);
 	void cameraRemoved(std::shared_ptr<libcamera::Camera> cam);
 
-	CameraDevice *cameraDeviceFromHalId(unsigned int id);
+	CameraDevice *cameraDeviceFromHalId(unsigned int id) LIBCAMERA_TSA_REQUIRES(mutex_);
 
 	std::unique_ptr<libcamera::CameraManager> cameraManager_;
 	CameraHalConfig halConfig_;
 
 	const camera_module_callbacks_t *callbacks_;
-	std::vector<std::unique_ptr<CameraDevice>> cameras_;
-	std::map<std::string, unsigned int> cameraIdsMap_;
+	std::vector<std::unique_ptr<CameraDevice>> cameras_ LIBCAMERA_TSA_GUARDED_BY(mutex_);
+	std::map<std::string, unsigned int> cameraIdsMap_ LIBCAMERA_TSA_GUARDED_BY(mutex_);
 	libcamera::Mutex mutex_;
 
 	unsigned int numInternalCameras_;
-- 
2.34.0.rc2.393.gf8c9666880-goog



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