diff options
Diffstat (limited to 'lib/libc/sys/mmap.c')
-rw-r--r-- | lib/libc/sys/mmap.c | 56 |
1 files changed, 56 insertions, 0 deletions
diff --git a/lib/libc/sys/mmap.c b/lib/libc/sys/mmap.c new file mode 100644 index 0000000..0fa03ba --- /dev/null +++ b/lib/libc/sys/mmap.c @@ -0,0 +1,56 @@ +/* + * Copyright (c) 1992, 1993 + * The Regents of the University of California. All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * 4. Neither the name of the University nor the names of its contributors + * may be used to endorse or promote products derived from this software + * without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + */ + +#if defined(LIBC_SCCS) && !defined(lint) +static char sccsid[] = "@(#)mmap.c 8.1 (Berkeley) 6/17/93"; +#endif /* LIBC_SCCS and not lint */ +#include <sys/cdefs.h> +__FBSDID("$FreeBSD$"); + +#include <sys/types.h> +#include <sys/mman.h> +#include <sys/syscall.h> +#include <unistd.h> +#include "libc_private.h" + +/* + * This function provides 64-bit offset padding that + * is not supplied by GCC 1.X but is supplied by GCC 2.X. + */ +void * +mmap(void *addr, size_t len, int prot, int flags, int fd, off_t offset) +{ + + if (__getosreldate() >= 700051) { + return (__sys_mmap(addr, len, prot, flags, fd, offset)); + } else { + return (__sys_freebsd6_mmap(addr, len, prot, flags, fd, 0, + offset)); + } +} |