Sun, Jan 22, 2023 at 02:52:03PM +0200, Marko Mäkelä wrote:
This code illustrates another limitation: There is no way to pass an
absolute time to cCondVar::TimedWait(). On each call, a relative
wake-up time (milliseconds from the current time) will be converted
into an absolute time. If there was a way, we would be able to remove
the "cTimeMs timer" and some related system calls, and have this loop
both wake up every 100 milliseconds, and process events as soon as they
arrive. Here is the VDR part of the patch:
At https://github.com/reufer/rpihddevice/pull/14#discussion_r1083466069
I posted an example of using an absolute variant of
cCondVar::TimedWait(). The thread cOmx::Action() would perform some
action every 100 milliseconds, and additionally consume m_portEvents as
soon as events are enqueued by cOmx::Add() in another thread.
Marko
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