2 * QEMU posix-aio emulation
4 * Copyright IBM, Corp. 2008
9 * This work is licensed under the terms of the GNU GPL, version 2. See
10 * the COPYING file in the top-level directory.
14 #ifndef QEMU_POSIX_AIO_COMPAT_H
15 #define QEMU_POSIX_AIO_COMPAT_H
17 #include <sys/types.h>
21 #include "sys-queue.h"
23 #define QEMU_PAIO_CANCELED 0x01
24 #define QEMU_PAIO_NOTCANCELED 0x02
25 #define QEMU_PAIO_ALLDONE 0x03
32 struct sigevent aio_sigevent;
36 TAILQ_ENTRY(qemu_paiocb) node;
44 unsigned int aio_threads;
46 unsigned int aio_idle_time;
49 int qemu_paio_init(struct qemu_paioinit *aioinit);
50 int qemu_paio_read(struct qemu_paiocb *aiocb);
51 int qemu_paio_write(struct qemu_paiocb *aiocb);
52 int qemu_paio_error(struct qemu_paiocb *aiocb);
53 ssize_t qemu_paio_return(struct qemu_paiocb *aiocb);
54 int qemu_paio_cancel(int fd, struct qemu_paiocb *aiocb);