- From: Frank Mori Hess <fmhess_at_users.sourceforge.net>
- Date: Thu, 3 Jul 2003 11:58:40 -0500
-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA1 On Thursday 03 July 2003 10:36 am, Calin A. Culianu wrote: > What happens if, theoretically speaking, more than one kernel thread > calls comedi_device_attach() for the same board -- say as a result of > two processes doing a devconfig ioctl simultaneously? When a process does an ioctl, it calls lock_kernel(). The big kernel lock doesn't get released except while the process is suspended or when it finishes the ioctl. Just something for you to keep in mind while looking at the code. - -- Frank -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.0.6 (GNU/Linux) Comment: For info see http://www.gnupg.org iD8DBQE/BGDA5vihyNWuA4URAiv7AJwJ2j8D8s0Kf0LEIjGRIAxLpcV25wCgt8pO SLhn6FhSoNBP6ueRIqzx/ic= =4mVd -----END PGP SIGNATURE-----
Received on 2003-07-03Z15:58:40