src/afsweb/apache_includes/1.3.1/os.h

   1 /* ====================================================================
   2  * Copyright (c) 1998 The Apache Group.  All rights reserved.
   3  *
   4  * Redistribution and use in source and binary forms, with or without
   5  * modification, are permitted provided that the following conditions
   6  * are met:
   7  *
   8  * 1. Redistributions of source code must retain the above copyright
   9  *    notice, this list of conditions and the following disclaimer.
  10  *
  11  * 2. Redistributions in binary form must reproduce the above copyright
  12  *    notice, this list of conditions and the following disclaimer in
  13  *    the documentation and/or other materials provided with the
  14  *    distribution.
  15  *
  16  * 3. All advertising materials mentioning features or use of this
  17  *    software must display the following acknowledgment:
  18  *    "This product includes software developed by the Apache Group
  19  *    for use in the Apache HTTP server project (http://www.apache.org/)."
  20  *
  21  * 4. The names "Apache Server" and "Apache Group" must not be used to
  22  *    endorse or promote products derived from this software without
  23  *    prior written permission. For written permission, please contact
  24  *    apache@apache.org.
  25  *
  26  * 5. Products derived from this software may not be called "Apache"
  27  *    nor may "Apache" appear in their names without prior written
  28  *    permission of the Apache Group.
  29  *
  30  * 6. Redistributions of any form whatsoever must retain the following
  31  *    acknowledgment:
  32  *    "This product includes software developed by the Apache Group
  33  *    for use in the Apache HTTP server project (http://www.apache.org/)."
  34  *
  35  * THIS SOFTWARE IS PROVIDED BY THE APACHE GROUP ``AS IS'' AND ANY
  36  * EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  37  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
  38  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE APACHE GROUP OR
  39  * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
  40  * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
  41  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
  42  * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  43  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
  44  * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
  45  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
  46  * OF THE POSSIBILITY OF SUCH DAMAGE.
  47  * ====================================================================
  48  *
  49  * This software consists of voluntary contributions made by many
  50  * individuals on behalf of the Apache Group and was originally based
  51  * on public domain software written at the National Center for
  52  * Supercomputing Applications, University of Illinois, Urbana-Champaign.
  53  * For more information on the Apache Group and the Apache HTTP server
  54  * project, please see <http://www.apache.org/>.
  55  *
  56  */
  57
  58 #ifndef APACHE_OS_H
  59 #define APACHE_OS_H
  60
  61 #include "ap_config.h"
  62
  63 #define PLATFORM "Unix"
  64
  65 /*
  66  * This file in included in all Apache source code. It contains definitions
  67  * of facilities available on _this_ operating system (HAVE_* macros),
  68  * and prototypes of OS specific functions defined in os.c or os-inline.c
  69  */
  70
  71 #if !defined(INLINE) && defined(USE_GNU_INLINE)
  72 /* Compiler supports inline, so include the inlineable functions as
  73  * part of the header
  74  */
  75 #define INLINE extern ap_inline
  76 #include "os-inline.c"
  77
  78 #else
  79
  80 /* Compiler does not support inline, so prototype the inlineable functions
  81  * as normal
  82  */
  83 extern int ap_os_is_path_absolute(const char *f);
  84 #endif
  85
  86 /*
  87  *  Abstraction layer for loading
  88  *  Apache modules under run-time via
  89  *  dynamic shared object (DSO) mechanism
  90  */
  91
  92 #ifdef HAVE_DL_H
  93 #include <dl.h>
  94 #endif
  95
  96 #ifdef HAVE_DLFCN_H
  97 #include <dlfcn.h>
  98 #else
  99 void *dlopen(const char *, int);
 100 int dlclose(void *);
 101 void *dlsym(void *, const char *);
 102 const char *dlerror(void);
 103 #endif
 104
 105 /* probably on an older system that doesn't support RTLD_NOW or RTLD_LAZY.
 106  * The below define is a lie since we are really doing RTLD_LAZY since the
 107  * system doesn't support RTLD_NOW.
 108  */
 109 #ifndef RTLD_NOW
 110 #define RTLD_NOW 1
 111 #endif
 112
 113 #ifndef RTLD_GLOBAL
 114 #define RTLD_GLOBAL 0
 115 #endif
 116
 117 #if defined(__FreeBSD__) || defined(__OpenBSD__) || defined(__NetBSD__)
 118 #define DLSYM_NEEDS_UNDERSCORE
 119 #endif
 120
 121 #define     ap_os_dso_handle_t  void *
 122 void *ap_os_dso_load(const char *);
 123 void ap_os_dso_unload(void *);
 124 void *ap_os_dso_sym(void *, const char *);
 125 const char *ap_os_dso_error(void);
 126
 127 #endif /* !APACHE_OS_H */