xnu-7195.60.75.tar.gz

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

diff --git a/bsd/sys/aio_kern.h b/bsd/sys/aio_kern.h
index 4b030a1039d6e6a5eaaa77029903cd3f04dc1a52..cd808e7a077bbabe625726b41b8cda00d0cee690 100644 (file)
--- a/bsd/sys/aio_kern.h
+++ b/bsd/sys/aio_kern.h
@@ -2,7 +2,7 @@
  * Copyright (c) 2003 Apple Computer, Inc. All rights reserved.
  *
  * @APPLE_OSREFERENCE_LICENSE_HEADER_START@
- * 
+ *
  * 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
@@ -11,10 +11,10 @@
  * 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.
- * 
+ *
  * 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,
@@ -22,78 +22,48 @@
  * 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_OSREFERENCE_LICENSE_HEADER_END@
  */
-/* 
+/*
  *     File:   sys/aio_kern.h
  *     Author: Jerry Cottingham [jerryc@apple.com]
  *
  *     Header file for kernel only portion of POSIX Asynchronous IO APIs
  *
- */ 
+ */
 
 #include <sys/aio.h>
 
 #ifndef _SYS_AIO_KERN_H_
-#define        _SYS_AIO_KERN_H_
+#define _SYS_AIO_KERN_H_
 
-#ifdef KERNEL
+#ifdef KERNEL_PRIVATE
 
-struct aio_workq_entry
-{
-       TAILQ_ENTRY( aio_workq_entry )  aio_workq_link;
-       struct proc                                             *procp;         /* user proc that queued this request */
-       user_addr_t                                             uaiocbp;        /* pointer passed in from user land */
-       user_addr_t                                             fsyncp;         /* not NULL means this request must complete */
-                                                                                               /* before an aio_fsync call can proceed. */
-       vm_map_t                                                aio_map;        /* user land map we have a reference to */
-       user_ssize_t                                    returnval;      /* return value from read / write request */    
-       int                                                             errorval;       /* error value from read / write request */
-       int                                                             flags;          
-       long                                                    group_tag;      /* identifier used to group IO requests */
-       struct user_aiocb                               aiocb;          /* copy of aiocb from user land */
-};
 typedef struct aio_workq_entry aio_workq_entry;
 
-/*
- * definitions for aio_workq_entry.flags
- */
-#define        AIO_READ                0x00000001      
-#define        AIO_WRITE               0x00000002
-#define        AIO_FSYNC               0x00000004      /* aio_fsync with op = O_SYNC */
-#define        AIO_DSYNC               0x00000008      /* aio_fsync with op = O_DSYNC (not supported yet) */
-#define        AIO_LIO                 0x00000010      /* lio_listio generated IO */
-#define        AIO_DO_FREE             0x00000800      /* entry needs to be freed */
-#define        AIO_COMPLETION  0x00001000      /* entry is in completion processing (not freeable yet) */
-#define        AIO_DISABLE             0x00002000      /* process is trying to exit or exec and we need */
-                                                                       /*      to disable normal completion notification */
-#define        AIO_WAITING             0x00004000      /* process is trying to exit, exec, or close and is */
-                                                                       /*      waiting for one or more active IO requests to */
-                                                                       /*      complete */
-
 /*
  * Prototypes
  */
 
-__private_extern__ void                
+__private_extern__ void
 _aio_close(struct proc *p, int fd);
 
-__private_extern__ void                
+__private_extern__ void
 _aio_exit(struct proc *p);
 
-__private_extern__ void                
+__private_extern__ void
 _aio_exec(struct proc *p);
 
-__private_extern__ void                
+__private_extern__ void
 _aio_create_worker_threads(int num);
 
-__private_extern__ void                
+__private_extern__ void
 aio_init(void);
 
-task_t                                         
+task_t
 get_aiotask(void);
 
-#endif /* KERNEL */
+#endif /* KERNEL_PRIVATE */
 
 #endif /* _SYS_AIO_KERN_H_ */