[linux-audio-dev] ioctl in programm polls ! What is it ?

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Subject: [linux-audio-dev] ioctl in programm polls ! What is it ?
From: hexe_2003_AT_directbox.com
Date: Sun Oct 19 2003 - 19:09:20 EEST

Hi!

I have a programm ( terminus, a space-simulation & rpg game [ the best ;) } ) , and
it sleeps in the following function: 

---

rt_sigsuspend([] <unfinished ...>
--- SIGRTMIN (Unknown signal 32) @ 0 (0) ---
<... rt_sigsuspend resumed> )           = -1 EINTR (Interrupted system call)
sigreturn()                             = ? (mask now [RTMIN])
ioctl(19, SNDCTL_DSP_GETBLKSIZE, 0xbffffbd0) = 0
read(19,

---

( this is a "strace"-output )
What is SNDCTL_DSP:GETBLKSIZE, or better what is the BLK ??

I tried the OSS driver AND alsa and both poll this function ...

greez, Sascha Retzki
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