/*
- * Copyright (c) 2003 Apple Computer, Inc. All rights reserved.
+ * Copyright (c) 2003-2006 Apple Computer, Inc. All rights reserved.
*
- * @APPLE_LICENSE_HEADER_START@
+ * @APPLE_OSREFERENCE_LICENSE_HEADER_START@
*
- * The contents of this file constitute Original Code as defined in and
- * are subject to the Apple Public Source License Version 1.1 (the
- * "License"). You may not use this file except in compliance with the
- * License. Please obtain a copy of the License at
- * http://www.apple.com/publicsource and read it before using this file.
+ * This file contains Original Code and/or Modifications of Original Code
+ * as defined in and that are subject to the Apple Public Source License
+ * Version 2.0 (the 'License'). You may not use this file except in
+ * compliance with the License. The rights granted to you under the License
+ * may not be used to create, or enable the creation or redistribution of,
+ * unlawful or unlicensed copies of an Apple operating system, or to
+ * circumvent, violate, or enable the circumvention or violation of, any
+ * terms of an Apple operating system software license agreement.
*
- * This Original Code and all software distributed under the License are
- * distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY KIND, EITHER
+ * Please obtain a copy of the License at
+ * http://www.opensource.apple.com/apsl/ and read it before using this file.
+ *
+ * The Original Code and all software distributed under the License are
+ * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
* EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
* INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
- * FITNESS FOR A PARTICULAR PURPOSE OR NON-INFRINGEMENT. Please see the
- * License for the specific language governing rights and limitations
- * under the License.
+ * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
+ * Please see the License for the specific language governing rights and
+ * limitations under the License.
*
- * @APPLE_LICENSE_HEADER_END@
+ * @APPLE_OSREFERENCE_LICENSE_HEADER_END@
*/
/*
* File: sys/aio.h
#define _SYS_AIO_H_
#include <sys/signal.h>
+#include <sys/_types.h>
+#include <sys/cdefs.h>
+
+/*
+ * [XSI] Inclusion of the <aio.h> header may make visible symbols defined
+ * in the headers <fcntl.h>, <signal.h>, <sys/types.h>, and <time.h>.
+ *
+ * In our case, this is limited to struct timespec, off_t and ssize_t.
+ */
+#define __need_struct_timespec
+#include <sys/_structs.h>
+
+#ifndef _OFF_T
+typedef __darwin_off_t off_t;
+#define _OFF_T
+#endif
+
+#ifndef _SSIZE_T
+#define _SSIZE_T
+typedef __darwin_ssize_t ssize_t;
+#endif
+
struct aiocb {
- int aio_fildes; /* File descriptor */
- off_t aio_offset; /* File offset */
- volatile void *aio_buf; /* Location of buffer */
- size_t aio_nbytes; /* Length of transfer */
- int aio_reqprio; /* Request priority offset */
- struct sigevent aio_sigevent; /* Signal number and value */
- int aio_lio_opcode; /* Operation to be performed */
+ int aio_fildes; /* File descriptor */
+ off_t aio_offset; /* File offset */
+ volatile void *aio_buf; /* Location of buffer */
+ size_t aio_nbytes; /* Length of transfer */
+ int aio_reqprio; /* Request priority offset */
+ struct sigevent aio_sigevent; /* Signal number and value */
+ int aio_lio_opcode; /* Operation to be performed */
+};
+
+#ifdef KERNEL
+
+struct user_aiocb {
+ int aio_fildes; /* File descriptor */
+ off_t aio_offset __attribute((aligned(8))); /* File offset */
+ user_addr_t aio_buf __attribute((aligned(8))); /* Location of buffer */
+ user_size_t aio_nbytes; /* Length of transfer */
+ int aio_reqprio; /* Request priority offset */
+ struct user_sigevent aio_sigevent __attribute((aligned(8))); /* Signal number and value */
+ int aio_lio_opcode; /* Operation to be performed */
};
+#endif // KERNEL
+
/*
* aio_cancel() return values
*/
* notification is given when the operation is complete
*/
-#define O_SYNC 0x0 /* queued IO is completed as if by fsync() */
+#ifndef O_SYNC /* XXX investigate documentation error */
+#define O_SYNC 0x0080 /* queued IO is completed as if by fsync() */
+#endif
#if 0 /* O_DSYNC - NOT SUPPORTED */
#define O_DSYNC 0x1 /* queued async IO is completed as if by fdatasync() */
#endif
* Prototypes
*/
+__BEGIN_DECLS
+
/*
* Attempt to cancel one or more asynchronous I/O requests currently outstanding
* against file descriptor fd. The aiocbp argument points to the asynchronous I/O
*/
int aio_suspend( const struct aiocb *const aiocblist[],
int nent,
- const struct timespec * timeoutp );
+ const struct timespec * timeoutp ) __DARWIN_ALIAS_C(aio_suspend);
/*
* Write aiocbp->aio_nbytes to the file associated with aiocbp->aio_fildes from
struct aiocb *const aiocblist[],
int nent,
struct sigevent *sigp );
+__END_DECLS
+
#endif /* KERNEL */
#endif /* _SYS_AIO_H_ */
projects / apple / xnu.git / blobdiff