June 2016
Intermediate to advanced
470 pages
9h 49m
English
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Synchronizing shared resources with TMonitor
TMonitor is a record used to synchronize threads. Just to be clear, we are talking about System.TMonitor, not Vcl.Forms.TMonitor.
Since Delphi 2009, the TObject instance size has been doubled to make room for an additional 4 bytes. What are these 4 bytes for? They provide TMonitor support!
Now, every TObject descendant can be used as a lock. The type that allows this is the System.TMonitor record, which implements a generic monitor synchronization structure.
Getting ready
In this recipe, you'll face one of the classic multithreading problems—concurrent access to a shared file. Specifically, you'll have a lot of threads writing some information on a file—the same file—and all the threads have to be synchronized ...
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O’Reilly covers everything we've got, with content to help us build a world-class technology community, upgrade the capabilities and competencies of our teams, and improve overall team performance as well as their engagement.Julian F.
I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.Addison B.
I’ve been on the O’Reilly platform for more than eight years. I use a couple of learning platforms, but I'm on O'Reilly more than anybody else. When you're there, you start learning. I'm never disappointed.Amir M.
I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.