Re: CVS commit: src/share/man/man4

[Tetsuya Isaki <isaki%pastel-flower.jp@localhost>]

At Mon, 16 Mar 2020 09:20:01 +0000,
Nia Alarie wrote:
> Committed By:	nia
> Date:		Mon Mar 16 09:20:01 UTC 2020
> 
> Modified Files:
> 	src/share/man/man4: audio.4
> 
> Log Message:
> audio.4: O_NONBLOCK isn't the actual problem

> @@ -818,6 +818,8 @@
> .Xr mmap 2
> it is currently always mapped for writing (playing) due to VM system weirdness.
> .Sh CAVEATS
>-The audio device cannot be reliably used with O_NONBLOCK or event notification
>-mechanisms. Users are generally expected to only read and write a limited number
>-of samples at a time, limiting the time spent in the system call. 
>+The audio device cannot be reliably used with event notification mechanisms
>+such as
>+.Xr poll 2 .
>+Most users are expected to only read and write a limited number of samples at
>+a time, limiting the time spent in the system call. 

What problem of poll() are you talking about?
---
Tetsuya Isaki <isaki%pastel-flower.jp@localhost / isaki%NetBSD.org@localhost>