libsysio/include/xtio.h

   1 /*
   2  *    This Cplant(TM) source code is the property of Sandia National
   3  *    Laboratories.
   4  *
   5  *    This Cplant(TM) source code is copyrighted by Sandia National
   6  *    Laboratories.
   7  *
   8  *    The redistribution of this Cplant(TM) source code is subject to the
   9  *    terms of the GNU Lesser General Public License
  10  *    (see cit/LGPL or http://www.gnu.org/licenses/lgpl.html)
  11  *
  12  *    Cplant(TM) Copyright 1998-2004 Sandia Corporation.
  13  *    Under the terms of Contract DE-AC04-94AL85000, there is a non-exclusive
  14  *    license for use of this work by or on behalf of the US Government.
  15  *    Export of this program may require a license from the United States
  16  *    Government.
  17  */
  18
  19 /*
  20  * This library is free software; you can redistribute it and/or
  21  * modify it under the terms of the GNU Lesser General Public
  22  * License as published by the Free Software Foundation; either
  23  * version 2.1 of the License, or (at your option) any later version.
  24  *
  25  * This library is distributed in the hope that it will be useful,
  26  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  27  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
  28  * Lesser General Public License for more details.
  29  *
  30  * You should have received a copy of the GNU Lesser General Public
  31  * License along with this library; if not, write to the Free Software
  32  * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
  33  *
  34  * Questions or comments about this library should be sent to:
  35  *
  36  * Lee Ward
  37  * Sandia National Laboratories, New Mexico
  38  * P.O. Box 5800
  39  * Albuquerque, NM 87185-1110
  40  *
  41  * lee@sandia.gov
  42  */
  43
  44 /*
  45  * Structure for strided I/O.
  46  */
  47 struct xtvec {
  48 #ifndef __USE_FILE_OFFSET64
  49         __off_t xtv_off;                        /* Stride/Extent offset. */
  50 #else
  51         __off64_t xtv_off;                      /* Stride/Extent offset. */
  52 #endif
  53         size_t  xtv_len;                        /* Stride/Extent length. */
  54 };
  55
  56 #ifdef __USE_LARGEFILE64
  57 struct xtvec64 {
  58         __off64_t xtv_off;                      /* Stride/Extent offset. */
  59         size_t  xtv_len;                        /* Stride/Extent length. */
  60 };
  61 #endif
  62
  63 extern ioid_t SYSIO_INTERFACE_NAME(ireadx)(int fd,
  64                                            const struct iovec *iov,
  65                                            size_t iov_count,
  66                                            const struct xtvec *xtv,
  67                                            size_t xtv_count);
  68 #ifdef __USE_LARGEFILE64
  69 extern ioid_t SYSIO_INTERFACE_NAME(iread64x)(int fd,
  70                                              const struct iovec *iov,
  71                                              size_t iov_count,
  72                                              const struct xtvec64 *xtv,
  73                                              size_t xtv_count);
  74 #endif
  75 extern ssize_t SYSIO_INTERFACE_NAME(readx)(int fd,
  76                                            const struct iovec *iov,
  77                                            size_t iov_count,
  78                                            const struct xtvec *xtv,
  79                                            size_t xtv_count);
  80 #ifdef __USE_LARGEFILE64
  81 extern ssize_t SYSIO_INTERFACE_NAME(read64x)(int fd,
  82                                              const struct iovec *iov,
  83                                              size_t iov_count,
  84                                              const struct xtvec64 *xtv,
  85                                              size_t xtv_count);
  86 #endif
  87 extern ioid_t SYSIO_INTERFACE_NAME(iwritex)(int fd,
  88                                             const struct iovec *iov,
  89                                             size_t iov_count,
  90                                             const struct xtvec *xtv,
  91                                             size_t xtv_count);
  92 #ifdef __USE_LARGEFILE64
  93 extern ioid_t SYSIO_INTERFACE_NAME(iwrite64x)(int fd,
  94                                               const struct iovec *iov,
  95                                               size_t iov_count,
  96                                               const struct xtvec64 *xtv,
  97                                               size_t xtv_count);
  98 #endif
  99 extern ssize_t SYSIO_INTERFACE_NAME(writex)(int fd,
 100                                             const struct iovec *iov,
 101                                             size_t iov_count,
 102                                             const struct xtvec *xtv,
 103                                             size_t xtv_count);
 104 #ifdef __USE_LARGEFILE64
 105 extern ssize_t SYSIO_INTERFACE_NAME(write64x)(int fd,
 106                                               const struct iovec *iov,
 107                                               size_t iov_count,
 108                                               const struct xtvec64 *xtv,
 109                                               size_t xtv_count);
 110 #endif