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45 lines
1.1 KiB
C
45 lines
1.1 KiB
C
/*-------------------------------------------------------------------------
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*
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* port_protos.h
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* port-specific prototypes for Linux
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*
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*
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* Portions Copyright (c) 1996-2000, PostgreSQL, Inc
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* Portions Copyright (c) 1994, Regents of the University of California
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*
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* $Id: linux.h,v 1.1 2001/05/09 19:54:38 momjian Exp $
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*
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*-------------------------------------------------------------------------
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*/
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#ifndef PORT_PROTOS_H
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#define PORT_PROTOS_H
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#include "fmgr.h"
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#include "utils/dynamic_loader.h"
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#ifdef __ELF__
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#include <dlfcn.h>
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#endif
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/* dynloader.c */
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#ifndef __ELF__
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#ifndef HAVE_DLD_H
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#define pg_dlsym(handle, funcname) (NULL)
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#define pg_dlclose(handle) ({})
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#else
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#define pg_dlsym(handle, funcname) ((PGFunction) dld_get_func((funcname)))
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#define pg_dlclose(handle) ({ dld_unlink_by_file(handle, 1); free(handle); })
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#endif
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#else
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/* #define pg_dlopen(f) dlopen(f, 1) */
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/* #define pg_dlopen(f) dlopen(f, 2) */
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#define pg_dlopen(f) dlopen(f, (RTLD_NOW|RTLD_GLOBAL))
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#define pg_dlsym dlsym
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#define pg_dlclose dlclose
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#define pg_dlerror dlerror
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#endif
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/* port.c */
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#endif /* PORT_PROTOS_H */
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