XrdFfsWcache.hh

Go to the documentation of this file.

/******************************************************************************/
/* XrdFfsWcache.hh simple write cache that captures consecutive small writes  */
/*                                                                            */
/* (c) 2010 by the Board of Trustees of the Leland Stanford, Jr., University  */
/*                            All Rights Reserved                             */
/* Author: Wei Yang (SLAC National Accelerator Laboratory, 2009)              */
/*         Contract DE-AC02-76-SFO0515 with the Department of Energy          */
/*                                                                            */
/* This file is part of the XRootD software suite.                            */
/*                                                                            */
/* XRootD is free software: you can redistribute it and/or modify it under    */
/* the terms of the GNU Lesser General Public License as published by the     */
/* Free Software Foundation, either version 3 of the License, or (at your     */
/* option) any later version.                                                 */
/*                                                                            */
/* XRootD is distributed in the hope that it will be useful, but WITHOUT      */
/* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or      */
/* FITNESS FOR A PARTICULAR PURPOSE.  See the GNU Lesser General Public       */
/* License for more details.                                                  */
/*                                                                            */
/* You should have received a copy of the GNU Lesser General Public License   */
/* along with XRootD in a file called COPYING.LESSER (LGPL license) and file  */
/* COPYING (GPL license).  If not, see <http://www.gnu.org/licenses/>.        */
/*                                                                            */
/* The copyright holder's institutional names and contributor's names may not */
/* be used to endorse or promote products derived from this software without  */
/* specific prior written permission of the institution or contributor.       */
/******************************************************************************/
 
#ifdef __cplusplus
  extern "C" {
#endif
 
void    XrdFfsWcache_init(int basefd, int maxfd);
int     XrdFfsWcache_create(int fd, int flags);
void    XrdFfsWcache_destroy(int fd);
ssize_t  XrdFfsWcache_flush(int fd);
ssize_t  XrdFfsWcache_pread(int fd, char *buf, size_t len, off_t offset);
ssize_t  XrdFfsWcache_pwrite(int fd, char *buf, size_t len, off_t offset);
 
#ifdef __cplusplus
  }
#endif