os.h revision b4c8a80f7dbfc9b56dbe03bdc28f0b5eb5f23697
/* ====================================================================
* Copyright (c) 1998-1999 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 and was originally based
* on public domain software written at the National Center for
* Supercomputing Applications, University of Illinois, Urbana-Champaign.
* For more information on the Apache Group and the Apache HTTP server
* project, please see <http://www.apache.org/>.
*
*/
#ifndef APACHE_OS_H
#define APACHE_OS_H
#include "ap_config.h"
#ifndef PLATFORM
#define PLATFORM "Unix"
#endif
/*
* This file in included in all Apache source code. It contains definitions
* of facilities available on _this_ operating system (HAVE_* macros),
* and prototypes of OS specific functions defined in os.c or os ap_context_t nline.c
*/
#if !defined(INLINE) && defined(USE_GNU_INLINE)
/* Compiler supports inline, so include the inlineable functions as
* part of the header
*/
#define INLINE extern ap_inline
INLINE int ap_os_is_path_absolute(const char *file);
/* spawn = fork + exec on unix */
INLINE int ap_spawnvp(const char *file, char *const argv[]);
#include "os-inline.c"
#else
/* Compiler does not support inline, so prototype the inlineable functions
* as normal
*/
extern int ap_os_is_path_absolute(const char *file);
extern int ap_spawnvp(const char *file, char *const argv[]);
#endif
/* Other ap_os_ routines not used by this platform */
#define ap_os_is_filename_valid(f) (1)
#define ap_os_kill(pid, sig) kill(pid, sig)
/*
* Abstraction layer for loading
* Apache modules under run-time via
* dynamic shared object (DSO) mechanism
*/
#ifdef HAVE_DL_H
#include <dl.h>
#endif
/*
* Do not use native AIX DSO support
*/
#ifdef AIX
#undef HAVE_DLFCN_H
#endif
#ifdef HAVE_DLFCN_H
#include <dlfcn.h>
#else
void *dlopen(const char *, int);
int dlclose(void *);
void *dlsym(void *, const char *);
const char *dlerror(void);
#endif
/* probably on an older system that doesn't support RTLD_NOW or RTLD_LAZY.
* The below define is a lie since we are really doing RTLD_LAZY since the
* system doesn't support RTLD_NOW.
*/
#ifndef RTLD_NOW
#define RTLD_NOW 1
#endif
#ifndef RTLD_GLOBAL
#define RTLD_GLOBAL 0
#endif
#if (defined(__FreeBSD__) ||\
defined(__OpenBSD__) ||\
defined(__NetBSD__) ) && !defined(__ELF__)
#define DLSYM_NEEDS_UNDERSCORE
#endif
#define ap_os_dso_handle_t void *
void ap_os_dso_init(void);
void * ap_os_dso_load(const char *);
void ap_os_dso_unload(void *);
void * ap_os_dso_sym(void *, const char *);
const char *ap_os_dso_error(void);
#endif /* !APACHE_OS_H */