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/*
* Copyright © 2012 Intel Corporation
*
* This library 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 2 of the License, or (at your option) any later version.
*
* This library 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 this library. If not, see <http://www.gnu.org/licenses/>.
*
* Author: Benjamin Segovia <benjamin.segovia@intel.com>
*/
/**
* \file assert.hpp
*
* \author Benjamin Segovia <benjamin.segovia@intel.com>
*/
#ifndef __UTEST_FILE_MAP_HPP__
#define __UTEST_FILE_MAP_HPP__
#include "CL/cl.h"
#include <cstdlib>
/* Map a file into memory for direct / cached / simple accesses */
typedef struct cl_file_map {
void *start, *stop; /* First character and last one */
size_t size; /* Total size of the file */
int fd; /* Posix file descriptor */
cl_bool mapped; /* Indicate if a file was mapped or not */
char *name; /* File itself */
} cl_file_map_t;
/* Report information about an open temptative */
enum {
CL_FILE_MAP_SUCCESS = 0,
CL_FILE_MAP_FILE_NOT_FOUND = 1,
CL_FILE_MAP_FAILED_TO_MMAP = 2
};
/* Allocate and Initialize a file mapper (but do not map any file */
extern cl_file_map_t *cl_file_map_new(void);
/* Initialize a file mapper (but do not map any file */
extern int cl_file_map_init(cl_file_map_t *fm);
/* Destroy but do not deallocate a file map */
extern void cl_file_map_destroy(cl_file_map_t *fm);
/* Destroy and free it */
extern void cl_file_map_delete(cl_file_map_t *fm);
/* Open a file and returns the error code */
extern int cl_file_map_open(cl_file_map_t *fm, const char *name);
static inline cl_bool
cl_file_map_is_mapped(const cl_file_map_t *fm) {
return fm->mapped;
}
static inline const char*
cl_file_map_begin(const cl_file_map_t *fm) {
return (const char*) fm->start;
}
static inline const char*
cl_file_map_end(const cl_file_map_t *fm) {
return (const char*) fm->stop;
}
static inline size_t
cl_file_map_size(const cl_file_map_t *fm) {
return fm->size;
}
#endif /* __UTEST_FILE_MAP_HPP__ */
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