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81 lines
3.2 KiB
C
81 lines
3.2 KiB
C
/*
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* Copyright (c) 1994
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* The Regents of the University of California. All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. All advertising materials mentioning features or use of this software
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* must display the following acknowledgement:
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* This product includes software developed by the University of
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* California, Berkeley and its contributors.
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* 4. Neither the name of the University nor the names of its contributors
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* may be used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*
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* $FreeBSD$
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*/
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#ifndef _DLFCN_H_
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#define _DLFCN_H_
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#include <sys/cdefs.h>
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/*
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* Modes and flags for dlopen().
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*/
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#define RTLD_LAZY 1 /* Bind function calls lazily */
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#define RTLD_NOW 2 /* Bind function calls immediately */
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#define RTLD_MODEMASK 0x3
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#define RTLD_GLOBAL 0x100 /* Make symbols globally available */
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#define RTLD_LOCAL 0 /* Opposite of RTLD_GLOBAL, and the default */
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/*
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* Special handle arguments for dlsym().
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*/
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#define RTLD_NEXT ((void *) -1) /* Search subsequent objects */
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#define RTLD_DEFAULT ((void *) -2) /* Use default search algorithm */
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/*
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* Structure filled in by dladdr().
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*/
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typedef struct dl_info {
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const char *dli_fname; /* Pathname of shared object */
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void *dli_fbase; /* Base address of shared object */
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const char *dli_sname; /* Name of nearest symbol */
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void *dli_saddr; /* Address of nearest symbol */
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} Dl_info;
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__BEGIN_DECLS
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int dladdr __P((const void *, Dl_info *));
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int dlclose __P((void *));
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const char *dlerror __P((void));
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void dllockinit __P((void *_context,
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void *(*_lock_create)(void *_context),
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void (*_rlock_acquire)(void *_lock),
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void (*_wlock_acquire)(void *_lock),
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void (*_lock_release)(void *_lock),
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void (*_lock_destroy)(void *_lock),
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void (*_context_destroy)(void *_context)));
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void *dlopen __P((const char *, int));
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void *dlsym __P((void *, const char *));
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__END_DECLS
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#endif /* !_DLFCN_H_ */
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