vsys_def.h

xen 3.2.2 源码

/* libaio Linux async I/O interface
   Copyright 2002 Red Hat, Inc.

   This library is free software; you can redistribute it and/or
   modify it under the terms of the GNU Lesser General Public
   License as published by the Free Software Foundation; either
   version 2 of the License, or (at your option) any later version.

   This library is distributed in the hope that it will be useful,
   but WITHOUT ANY WARRANTY; without even the implied warranty of
   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
   Lesser General Public License for more details.

   You should have received a copy of the GNU Lesser General Public
   License along with this library; if not, write to the Free Software
   Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307  USA
 */
extern int vsys_io_setup(unsigned nr_reqs, io_context_t *ctxp);
extern int vsys_io_destroy(io_context_t ctx);
extern int vsys_io_submit(io_context_t ctx, long nr, struct iocb *iocbs[]);
extern int vsys_io_cancel(io_context_t ctx, struct iocb *iocb);
extern int vsys_io_wait(io_context_t ctx, struct iocb *iocb, const struct timespec *when);
extern int vsys_io_getevents(io_context_t ctx_id, long nr, struct io_event *events, const struct timespec *timeout);