symbian-qemu-0.9.1-12/qemu-symbian-svp/posix-aio-compat.h
changeset 1 2fb8b9db1c86
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/symbian-qemu-0.9.1-12/qemu-symbian-svp/posix-aio-compat.h	Fri Jul 31 15:01:17 2009 +0100
@@ -0,0 +1,56 @@
+/*
+ * QEMU posix-aio emulation
+ *
+ * Copyright IBM, Corp. 2008
+ *
+ * Authors:
+ *  Anthony Liguori   <aliguori@us.ibm.com>
+ *
+ * This work is licensed under the terms of the GNU GPL, version 2.  See
+ * the COPYING file in the top-level directory.
+ *
+ */
+
+#ifndef QEMU_POSIX_AIO_COMPAT_H
+#define QEMU_POSIX_AIO_COMPAT_H
+
+#include <sys/types.h>
+#include <unistd.h>
+#include <signal.h>
+
+#include "sys-queue.h"
+
+#define QEMU_PAIO_CANCELED     0x01
+#define QEMU_PAIO_NOTCANCELED  0x02
+#define QEMU_PAIO_ALLDONE      0x03
+
+struct qemu_paiocb
+{
+    int aio_fildes;
+    void *aio_buf;
+    size_t aio_nbytes;
+    struct sigevent aio_sigevent;
+    off_t aio_offset;
+
+    /* private */
+    TAILQ_ENTRY(qemu_paiocb) node;
+    int is_write;
+    ssize_t ret;
+    int active;
+};
+
+struct qemu_paioinit
+{
+    unsigned int aio_threads;
+    unsigned int aio_num;
+    unsigned int aio_idle_time;
+};
+
+int qemu_paio_init(struct qemu_paioinit *aioinit);
+int qemu_paio_read(struct qemu_paiocb *aiocb);
+int qemu_paio_write(struct qemu_paiocb *aiocb);
+int qemu_paio_error(struct qemu_paiocb *aiocb);
+ssize_t qemu_paio_return(struct qemu_paiocb *aiocb);
+int qemu_paio_cancel(int fd, struct qemu_paiocb *aiocb);
+
+#endif