mmap.c

/*
 * Copyright (c) 2010-2012 Karl N. Redgate
 * 
 * Permission is hereby granted, free of charge, to any person obtaining a
 * copy of this software and associated documentation files (the "Software"),
 * to deal in the Software without restriction, including without limitation
 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
 * and/or sell copies of the Software, and to permit persons to whom the
 * Software is furnished to do so, subject to the following conditions:
 * 
 * The above copyright notice and this permission notice shall be included
 * in all copies or substantial portions of the Software.
 * 
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR
 * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
 * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
 * OTHER DEALINGS IN THE SOFTWARE.
 */

/*
 */

#include <stdlib.h>
#include <unistd.h>
#include <sys/mman.h>

#include "compiler.h"

static void do_mmap() { /* ( start length prot flags fd offset -- addr f ) */
    void  *address;
    void  *start  = (void *)pop();
    size_t length = (size_t)pop();
    int    prot   = (int)pop();
    int    flags  = (int)pop();
    int    fd     = (int)pop();
    off_t  offset = (off_t)pop();

    address = mmap( start, length, prot, flags, fd, offset );
    if ( address == MAP_FAILED ) {
        push( (Cell)0 );
    }
}

void mmap_words() {
    Primitive( "mmap", &do_mmap );
}

/*
 * vim:autoindent
 * vim:expandtab
 */