/*-------------------------------------------------------------------------
 *
 * port_protos.h
 *	  port-specific prototypes for Linux
 *
 *
 * Portions Copyright (c) 1996-2000, PostgreSQL, Inc
 * Portions Copyright (c) 1994, Regents of the University of California
 *
 * $Id: linux.h,v 1.1 2001/05/09 19:54:38 momjian Exp $
 *
 *-------------------------------------------------------------------------
 */
#ifndef PORT_PROTOS_H
#define PORT_PROTOS_H

#include "fmgr.h"
#include "utils/dynamic_loader.h"
#ifdef __ELF__
#include <dlfcn.h>
#endif

/* dynloader.c */

#ifndef __ELF__
#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)			   ({ dld_unlink_by_file(handle, 1); free(handle); })
#endif
#else
/* #define		pg_dlopen(f)	dlopen(f, 1) */
/* #define pg_dlopen(f)	dlopen(f, 2) */
#define pg_dlopen(f) dlopen(f, (RTLD_NOW|RTLD_GLOBAL))
#define pg_dlsym		dlsym
#define pg_dlclose		dlclose
#define pg_dlerror		dlerror
#endif

/* port.c */

#endif	 /* PORT_PROTOS_H */
