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libcamera: base: thread: Support dispatching for a specific receiver

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The Thread::dispatchMessage() function supports filtering messages based
on their type. It can be useful to also dispatch only messages posted
for a specific receiver. Add an optional receiver argument to the
dispatchMessage() function to do so. When set to null (the default
value), the behaviour of the function is not changed.

This facility is actually used in followup patches.

Signed-off-by: Milan Zamazal <mzamazal@redhat.com>
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Reviewed-by: Kieran Bingham <kieran.bingham@ideasonboard.com>
Signed-off-by: Kieran Bingham <kieran.bingham@ideasonboard.com>
This commit is contained in:
Milan Zamazal 2025-02-25 16:06:10 +01:00 • committed by Kieran Bingham
parent cd32e069ec
commit 72a890e11a
2 changed files with 15 additions and 9 deletions
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3
include/libcamera/base/thread.h
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@ -48,7 +48,8 @@ public:
EventDispatcher *eventDispatcher();
void dispatchMessages(Message::Type type = Message::Type::None);
void dispatchMessages(Message::Type type = Message::Type::None,
Object *receiver = nullptr);
protected:
int exec();