From 7d35c771c0480e1ca5942ba3c9cf09c1fde22f85 Mon Sep 17 00:00:00 2001
From: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Date: Sun, 25 Oct 2020 14:40:50 +0200
Subject: cam: Use libevent to implement event loop
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To prepare for removal of the EventDispatcher from the libcamera public
API, switch to libevent to handle the event loop.

Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Reviewed-by: Kieran Bingham <kieran.bingham@ideasonboard.com>
Reviewed-by: Niklas Söderlund <niklas.soderlund@ragnatech.se>
---
 src/cam/event_loop.h | 15 ++++++++-------
 1 file changed, 8 insertions(+), 7 deletions(-)

(limited to 'src/cam/event_loop.h')

diff --git a/src/cam/event_loop.h b/src/cam/event_loop.h
index 581c7cba..b1c6bd10 100644
--- a/src/cam/event_loop.h
+++ b/src/cam/event_loop.h
@@ -9,26 +9,27 @@
 
 #include <atomic>
 
-#include <libcamera/event_notifier.h>
-
-namespace libcamera {
-class EventDispatcher;
-}
+struct event_base;
 
 class EventLoop
 {
 public:
-	EventLoop(libcamera::EventDispatcher *dispatcher);
+	EventLoop();
 	~EventLoop();
 
+	static EventLoop *instance();
+
 	int exec();
 	void exit(int code = 0);
 
 private:
-	libcamera::EventDispatcher *dispatcher_;
+	static EventLoop *instance_;
 
+	struct event_base *event_;
 	std::atomic<bool> exit_;
 	int exitCode_;
+
+	void interrupt();
 };
 
 #endif /* __CAM_EVENT_LOOP_H__ */
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