diff options
Diffstat (limited to 'lib/libc/gen/getpagesize.c')
-rw-r--r-- | lib/libc/gen/getpagesize.c | 75 |
1 files changed, 0 insertions, 75 deletions
diff --git a/lib/libc/gen/getpagesize.c b/lib/libc/gen/getpagesize.c deleted file mode 100644 index f4b8128..0000000 --- a/lib/libc/gen/getpagesize.c +++ /dev/null @@ -1,75 +0,0 @@ -/* - * Copyright (c) 1989, 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[] = "@(#)getpagesize.c 8.1 (Berkeley) 6/4/93"; -#endif /* LIBC_SCCS and not lint */ -#include <sys/cdefs.h> -__FBSDID("$FreeBSD$"); - -#include <sys/param.h> -#include <sys/sysctl.h> - -#include <errno.h> -#include <link.h> -#include <unistd.h> - -#include "libc_private.h" - -/* - * This is unlikely to change over the running time of any - * program, so we cache the result to save some syscalls. - * - * NB: This function may be called from malloc(3) at initialization - * NB: so must not result in a malloc(3) related call! - */ - -int -getpagesize() -{ - int mib[2]; - static int value; - size_t size; - int error; - - if (value != 0) - return (value); - - error = _elf_aux_info(AT_PAGESZ, &value, sizeof(value)); - if (error == 0 && value != 0) - return (value); - - mib[0] = CTL_HW; - mib[1] = HW_PAGESIZE; - size = sizeof value; - if (sysctl(mib, 2, &value, &size, NULL, 0) == -1) - return (-1); - - return (value); -} |