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/*-------------------------------------------------------------------------
*
* 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 1.8 2000/01/26 05:56:44 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) ((func_ptr) 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_dlsym dlsym
#define pg_dlclose dlclose
#define pg_dlerror dlerror
#endif
/* port.c */
#endif /* PORT_PROTOS_H */
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