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/*-------------------------------------------------------------------------
*
* Dynamic loader interface for Linux
*
*
* Portions Copyright (c) 1996-2001, PostgreSQL Global Development Group
* Portions Copyright (c) 1994, Regents of the University of California
*
* $Id: linux.h,v 1.16 2001/11/05 17:46:27 momjian Exp $
*
*-------------------------------------------------------------------------
*/
#ifndef PORT_PROTOS_H
#define PORT_PROTOS_H
#include "utils/dynamic_loader.h"
#ifdef HAVE_DLOPEN
#include <dlfcn.h>
#endif
#ifndef HAVE_DLOPEN
#ifndef HAVE_DLD_H
#define pg_dlsym(handle, funcname) (NULL)
#define pg_dlclose(handle) {}
#else
#define pg_dlsym(handle, funcname) ((PGFunction) dld_get_func((funcname)))
#define pg_dlclose(handle) \
do { \
dld_unlink_by_file(handle, 1); \
free(handle); \
} while (0)
#endif
#else /* HAVE_DLOPEN */
#define pg_dlopen(f) dlopen((f), RTLD_LAZY | RTLD_GLOBAL)
#define pg_dlsym dlsym
#define pg_dlclose dlclose
#define pg_dlerror dlerror
#endif /* HAVE_DLOPEN */
#endif /* PORT_PROTOS_H */
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