Re: Simple, easy multithreaded circular buffer library for Linux?

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

 



On Fri, Oct 17, 2008 at 09:26:45PM +0200, Joern Nettingsmeier wrote:

> i see. but what about the other scenario:
> thread A reads read_ptr.
> thread B runs and increments it.
> thread A increases the old (wrong) read_ptr value by one and writes a
> wrong value.
> 
> isn't that a problem here?

This can't happen. For both read_ptr and write_ptr
only *one* of the two sides will ever modify it.
That is really the basic idea behind all this.
The other side just reads it, and will never read
a value that could trigger an error.

side.

Ciao,

-- 
FA

Laboratorio di Acustica ed Elettroacustica
Parma, Italia

Lascia la spina, cogli la rosa.

_______________________________________________
Linux-audio-user mailing list
Linux-audio-user@xxxxxxxxxxxxxxxxxxxx
http://lists.linuxaudio.org/mailman/listinfo/linux-audio-user

[Index of Archives]     [Linux Sound]     [ALSA Users]     [Pulse Audio]     [ALSA Devel]     [Sox Users]     [Linux Media]     [Kernel]     [Photo Sharing]     [Gimp]     [Yosemite News]     [Linux Media]

  Powered by Linux