lkml.org 
[lkml]   [2000]   [Sep]   [28]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
Date
From
SubjectRe: Interrupt/Sleep deadlock
You could use a semaphore for this.  Initialize it to 0, then call
down() from the ioctl, and up() from the interrupt handler. If the
up() happens before the down(), the down() won't go to sleep.

Nigel

-
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@vger.kernel.org
Please read the FAQ at http://www.tux.org/lkml/

\
 
 \ /
  Last update: 2005-03-22 12:45    [W:0.058 / U:33.216 seconds]
©2003-2018 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site