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/*
* CDDL HEADER START
*
* The contents of this file are subject to the terms of the
* Common Development and Distribution License, Version 1.0 only
* (the "License"). You may not use this file except in compliance
* with the License.
*
* You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
* or http://www.opensolaris.org/os/licensing.
* See the License for the specific language governing permissions
* and limitations under the License.
*
* When distributing Covered Code, include this CDDL HEADER in each
* file and include the License file at usr/src/OPENSOLARIS.LICENSE.
* If applicable, add the following below this CDDL HEADER, with the
* fields enclosed by brackets "[]" replaced with your own identifying
* information: Portions Copyright [yyyy] [name of copyright owner]
*
* CDDL HEADER END
*/
/*
* Copyright 2014 Garrett D'Amore <garrett@damore.org>
*
* Copyright 2004 Sun Microsystems, Inc. All rights reserved.
* Use is subject to license terms.
*/
#ifndef _SYS_SENDFILE_H
#define _SYS_SENDFILE_H
#include <sys/feature_tests.h>
#ifdef __cplusplus
extern "C" {
#endif
#include <sys/types.h>
#include <sys/uio.h>
/*
* Structure used by sendfilev()
*/
typedef struct sendfilevec {
int sfv_fd;
uint_t sfv_flag;
off_t sfv_off;
size_t sfv_len;
} sendfilevec_t;
#define SFV_NOWAIT 1
#if defined(_LARGEFILE64_SOURCE)
/*
* For 32-bit apps accessing largefile offsets
* using sendfilev64.
*/
typedef struct sendfilevec64 {
int sfv_fd;
uint_t sfv_flag;
off64_t sfv_off;
size_t sfv_len;
} sendfilevec64_t;
#endif /* _LARGEFILE64_SOURCE */
#if defined(_SYSCALL32)
/*
* For 32-bit app on a 64-bit kernel to copyin the data.
*/
typedef struct ksendfilevec32 {
int sfv_fd;
uint_t sfv_flag;
off32_t sfv_off;
size32_t sfv_len;
} ksendfilevec32_t;
/*
* For 32-bit app on a 64-bit kernel in largefile environment
* (sendfilev64) to copyin data. Use pack(4) on amd64 kernel
* to make sizeof(ksendfilevec64_t) == sizeof(sendfilevec64_t).
*/
#if _LONG_LONG_ALIGNMENT == 8 && _LONG_LONG_ALIGNMENT_32 == 4
#pragma pack(4)
#endif
typedef struct ksendfilevec64 {
int sfv_fd;
uint_t sfv_flag;
off64_t sfv_off;
size32_t sfv_len;
} ksendfilevec64_t;
#if _LONG_LONG_ALIGNMENT == 8 && _LONG_LONG_ALIGNMENT_32 == 4
#pragma pack()
#endif
#endif /* _SYSCALL32 */
/* The sfv_fd can be a file descriptor or self proc */
#define SFV_FD_SELF (-2)
/* System call subcodes */
#define SENDFILEV 0
#define SENDFILEV64 1
#ifndef _KERNEL
/* large file compilation environment setup */
#if !defined(_LP64) && _FILE_OFFSET_BITS == 64
#ifdef __PRAGMA_REDEFINE_EXTNAME
#pragma redefine_extname sendfilev sendfilev64
#pragma redefine_extname sendfile sendfile64
#else /* __PRAGMA_REDEFINE_EXTNAME */
#define sendfilev sendfilev64
#define sendfile sendfile64
#endif /* __PRAGMA_REDEFINE_EXTNAME */
#endif /* !_LP64 && _FILE_OFFSET_BITS == 64 */
/* In the LP64 compilation environment, the APIs are already large file */
#if defined(_LP64) && defined(_LARGEFILE64_SOURCE)
#ifdef __PRAGMA_REDEFINE_EXTNAME
#pragma redefine_extname sendfilev64 sendfilev
#pragma redefine_extname sendfile64 sendfile
#else /* __PRAGMA_REDEFINE_EXTNAME */
#define sendfilev64 sendfilev
#define sendfile64 sendfile
#endif /* __PRAGMA_REDEFINE_EXTNAME */
#endif /* _LP64 && _LARGEFILE64_SOURCE */
extern ssize_t sendfilev(int, const struct sendfilevec *, int, size_t *);
extern ssize_t sendfile(int, int, off_t *, size_t);
/* Transitional largefile interface */
#if defined(_LARGEFILE64_SOURCE) && !((_FILE_OFFSET_BITS == 64) && \
!defined(__PRAGMA_REDEFINE_EXTNAME))
extern ssize_t sendfilev64(int, const struct sendfilevec64 *, int, size_t *);
extern ssize_t sendfile64(int, int, off64_t *, size_t);
#endif
#endif /* _KERNEL */
#ifdef __cplusplus
}
#endif
#endif /* _SYS_SENDFILE_H */
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