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# Date Author Comment
221f715d 03/28/2009 07:28 pm aliguori

new scsi-generic abstraction, use SG_IO (Christoph Hellwig)

Okay, I started looking into how to handle scsi-generic I/O in the
new world order.

I think the best is to use the SG_IO ioctl instead of the read/write
interface as that allows us to support scsi passthrough on disk/cdrom...
55f11ca3 01/24/2009 01:54 pm blueswir1

Rename sigev_signo to avoid FreeBSD problems (Juergen Lock)

git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@6414 c046a42c-6fe2-441c-8c8c-71466251a162
c9db92fc 01/17/2009 08:49 am blueswir1

Use kill instead of sigqueue: re-enables AIO on OpenBSD

git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@6360 c046a42c-6fe2-441c-8c8c-71466251a162
3c529d93 12/12/2008 06:41 pm aliguori

Replace posix-aio with custom thread pool

glibc implements posix-aio as a thread pool and imposes a number of limitations.

1) it limits one request per-file descriptor. we hack around this by dup()'ing
file descriptors which is hideously ugly

2) it's impossible to add new interfaces and we need a vectored read/write...