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60 lines
1.2 KiB
C
60 lines
1.2 KiB
C
/*-------------------------------------------------------------------------
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*
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* dynloader.c--
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* dynamic loader for HP-UX using the shared library mechanism
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*
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* Copyright (c) 1994, Regents of the University of California
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*
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*
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* IDENTIFICATION
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* $Header: /cvsroot/pgsql/src/backend/port/dynloader/hpux.c,v 1.2 1998/02/02 00:10:10 scrappy Exp $
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*
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* NOTES
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* all functions are defined here -- it's impossible to trace the
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* shl_* routines from the bundled HP-UX debugger.
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*
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*-------------------------------------------------------------------------
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*/
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/* System includes */
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#include <stdio.h>
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#include <a.out.h>
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#include <dl.h>
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#include "c.h"
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#include "fmgr.h"
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#include "utils/dynamic_loader.h"
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#include "dynloader.h"
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void *
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pg_dlopen(char *filename)
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{
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shl_t handle = shl_load(filename, BIND_DEFERRED, 0);
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return ((void *) handle);
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}
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func_ptr
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pg_dlsym(void *handle, char *funcname)
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{
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func_ptr f;
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if (shl_findsym((shl_t *) & handle, funcname, TYPE_PROCEDURE, &f) == -1)
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{
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f = (func_ptr) NULL;
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}
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return (f);
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}
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void
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pg_dlclose(void *handle)
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{
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shl_unload((shl_t) handle);
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}
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char *
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pg_dlerror()
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{
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static char errmsg[] = "shl_load failed";
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return errmsg;
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}
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