Re: [Dev-C++] threads

[Purohit P. J. <pra...@si...>]

Hi
        Friends I came to know about threads from your mails but Will some
one please let me know how to create threads in C/C++ Pograms..


----- Original Message -----
From: "Shaddow" <Sh...@ti...>
To: <dev...@li...>
Sent: 27 February, 2001 05:40 AM
Subject: Re: [Dev-C++] threads


> Simon R Hillman wrote:
>
> > Hi
> >
> > Can anyone please explain to me what C threads are?
> >
> > Cheers
> >
> > ----------------------
> > Simon R Hillman
> > sim...@kc...
>
> Hiya Simon,
>
> Threads are essentially separate sequences of execution within a program
> that (at least at a high level conceptually) can be operating at the
> same time.  In a more "traditional" program, for example, if you wanted
> to read information to a file and display something else on the screen,
> you had to do them one after the other.  Either you read from the file
> and then do the screen display or the other way around.  This is because
> a "traditional" kind of programming paradigm had a single "thread of
> execution" in the program...  Only one thing can happen at a time.
>
> With a multi-threaded application however, your program can do (again,
> at least at a high level conceptually since a single processor can only
> do one thing at a time) several things at the same time.  You can, in
> essence, start one thread and tell it to do the file manipulation while
> another thread does the screen display.  Think of this as the
> application level equivalent of an operating system that permits
> multiple users work at the same time.
>
> What multi-threading tricky is that the individual threads in a given
> application all operate on the same process space...  meaning that they
> all share a significant resources.  Thus, each thread has equal access
> to global variables, static class members etc...
>
> Brian
>
>
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