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Diffstat (limited to 'mmap/unix/common.c')
-rw-r--r-- | mmap/unix/common.c | 118 |
1 files changed, 118 insertions, 0 deletions
diff --git a/mmap/unix/common.c b/mmap/unix/common.c new file mode 100644 index 000000000..7e59fcf37 --- /dev/null +++ b/mmap/unix/common.c @@ -0,0 +1,118 @@ +/* ==================================================================== + * Copyright (c) 1999 The Apache Group. 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. + * + * 3. All advertising materials mentioning features or use of this + * software must display the following acknowledgment: + * "This product includes software developed by the Apache Group + * for use in the Apache HTTP server project (http://www.apache.org/)." + * + * 4. The names "Apache Server" and "Apache Group" must not be used to + * endorse or promote products derived from this software without + * prior written permission. For written permission, please contact + * apache@apache.org. + * + * 5. Products derived from this software may not be called "Apache" + * nor may "Apache" appear in their names without prior written + * permission of the Apache Group. + * + * 6. Redistributions of any form whatsoever must retain the following + * acknowledgment: + * "This product includes software developed by the Apache Group + * for use in the Apache HTTP server project (http://www.apache.org/)." + * + * THIS SOFTWARE IS PROVIDED BY THE APACHE GROUP ``AS IS'' AND ANY + * EXPRESSED 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 APACHE GROUP OR + * ITS 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. + * ==================================================================== + * + * This software consists of voluntary contributions made by many + * individuals on behalf of the Apache Group. + * For more information on the Apache Group and the Apache HTTP server + * project, please see <http://www.apache.org/>. + * + */ + +/* common .c + * This file has any function that is truly common and platform + * neutral. Or at least that's the theory. + * + * The header files are a problem so there are a few #ifdef's to take + * care of those. + * + */ + +#if HAVE_MMAP + +#ifdef BEOS +#include "../beos/mmap_h.h" +#include <kernel/OS.h> +#else +#include "mmap_h.h" +#include <sys/mman.h> +#endif + +#include "fileio.h" +#include "apr_mmap.h" +#include "apr_general.h" +#include "apr_portable.h" +#include "apr_lib.h" +#include <errno.h> +#include <string.h> +#include <stdio.h> + + +ap_int32_t ap_mmap_inode_compare(const void *m1, const void *m2) +{ + const ap_mmap_t *a = *(ap_mmap_t **)m1; + const ap_mmap_t *b = *(ap_mmap_t **)m2; + ap_int32_t c; + + c = a->sinfo.st_ino - b->sinfo.st_ino; + if (c == 0) { + return a->sinfo.st_dev - b->sinfo.st_dev; + } + return c; +} + +ap_int32_t ap_mmap_filename_compare(const void *m1, const void *m2) +{ + const ap_mmap_t *a = m1; + const ap_mmap_t *b = m2; + + return strcmp(a->filename, b->filename); +} + + + +ap_status_t ap_mmap_offset(void **addr, ap_mmap_t *mmap, ap_size_t offset) +{ + if (offset < 0 || offset > mmap->size) + return APR_EINVAL; + + (*addr) = mmap->mm + offset; + fprintf(stderr,"ap_mmap_offset (%p, %d) ==> %p\n",mmap->mm, offset, (*addr)); + return APR_SUCCESS; +} + +#endif |