xnu-2050.48.11.tar.gz

[apple/xnu.git] / bsd / sys / aio.h

diff --git a/bsd/sys/aio.h b/bsd/sys/aio.h
index 57b3e3d1797a3101c9a618dd008b4c256d4fae48..d4f7e7a68dad66eebf311c1d106f9c43b41d1a8b 100644 (file)
--- a/bsd/sys/aio.h
+++ b/bsd/sys/aio.h
@@ -1,23 +1,29 @@
 /*
 /*

- * 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,
  * 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
  */
 /* 
  *     File:   sys/aio.h


@@ -32,17 +38,92 @@
 #define        _SYS_AIO_H_
 
 #include <sys/signal.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
+#ifdef KERNEL
+#define __need_struct_user64_timespec
+#define __need_struct_user32_timespec
+#endif /* KERNEL */
+#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
+
+/*
+ * A aio_fsync() options that the calling thread is to continue execution
+ * while the lio_listio() operation is being performed, and no notification
+ * is given when the operation is complete
+ *
+ * [XSI] from <fcntl.h>
+ */
+#ifndef O_SYNC         /* allow simultaneous inclusion of <fcntl.h> */
+#define        O_SYNC                  0x0080          /* synch I/O file integrity */
+#endif
+
+#ifndef O_DSYNC                /* allow simultaneous inclusion of <fcntl.h> */
+#define        O_DSYNC                 0x400000        /* synch I/O data integrity */
+#endif
+

 
 struct aiocb {
 
 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; /* File offset */
+       user_addr_t     aio_buf;                /* Location of buffer */
+       user_size_t     aio_nbytes;             /* Length of transfer */
+       int             aio_reqprio;    /* Request priority offset */
+       struct user_sigevent aio_sigevent;      /* Signal number and value */
+       int             aio_lio_opcode;         /* Operation to be performed */
+};
+
+struct user64_aiocb {
+       int             aio_fildes;             /* File descriptor */
+       user64_off_t            aio_offset; /* File offset */
+       user64_addr_t   aio_buf;                /* Location of buffer */
+       user64_size_t   aio_nbytes;             /* Length of transfer */
+       int             aio_reqprio;    /* Request priority offset */
+       struct user64_sigevent aio_sigevent;    /* Signal number and value */
+       int             aio_lio_opcode;         /* Operation to be performed */
+};
+
+struct user32_aiocb {
+       int             aio_fildes;             /* File descriptor */
+       user32_off_t            aio_offset;             /* File offset */
+       user32_addr_t   aio_buf;                /* Location of buffer */
+       user32_size_t   aio_nbytes;             /* Length of transfer */
+       int             aio_reqprio;            /* Request priority offset */
+       struct user32_sigevent  aio_sigevent;           /* Signal number and value */
+       int             aio_lio_opcode;         /* Operation to be performed */
+};
+
+#endif // KERNEL
+

 /*
  * aio_cancel() return values
  */
 /*
  * aio_cancel() return values
  */


@@ -95,23 +176,14 @@ struct aiocb {
  */
 #define        AIO_LISTIO_MAX          16
 
  */
 #define        AIO_LISTIO_MAX          16
 

-/*
- * A aio_fsync() options
- * that the calling thread is to continue execution while
- * the lio_listio() operation is being performed, and no
- * notification is given when the operation is complete
- */
-
-#define        O_SYNC                  0x0     /* queued IO is completed as if by fsync() */
-#if 0 /* O_DSYNC - NOT SUPPORTED */
-#define        O_DSYNC                 0x1             /* queued async IO is completed as if by fdatasync() */
-#endif

 
 #ifndef KERNEL
 /*
  * Prototypes
  */
 
 
 #ifndef KERNEL
 /*
  * 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 
 /*
  * 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 


@@ -195,7 +267,7 @@ ssize_t     aio_return( struct aiocb * aiocbp );
  */
 int            aio_suspend( const struct aiocb *const aiocblist[], 
                                         int nent,
  */
 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 
                                         
 /*
  * Write aiocbp->aio_nbytes to the file associated with aiocbp->aio_fildes from 


@@ -223,5 +295,7 @@ int         lio_listio( int mode,
                                        struct aiocb *const aiocblist[],
                                        int nent, 
                                        struct sigevent *sigp );
                                        struct aiocb *const aiocblist[],
                                        int nent, 
                                        struct sigevent *sigp );

+__END_DECLS
+

 #endif /* KERNEL */
 #endif /* _SYS_AIO_H_ */
 #endif /* KERNEL */
 #endif /* _SYS_AIO_H_ */