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/*-------------------------------------------------------------------------
*
* dynloader.c
* dynamic loader for HP-UX using the shared library mechanism
*
* Copyright (c) 1994, Regents of the University of California
*
*
* IDENTIFICATION
* $Header: /cvsroot/pgsql/src/backend/port/dynloader/hpux.c,v 1.10 1999/07/16 04:59:37 momjian Exp $
*
* NOTES
* all functions are defined here -- it's impossible to trace the
* shl_* routines from the bundled HP-UX debugger.
*
*-------------------------------------------------------------------------
*/
/* System includes */
#include <stdio.h>
#include <a.out.h>
#include "postgres.h"
#include "dl.h"
#include "dynloader.h"
#include "fmgr.h"
#include "utils/dynamic_loader.h"
void *
pg_dlopen(char *filename)
{
shl_t handle = shl_load(filename, BIND_DEFERRED, 0);
return (void *) handle;
}
func_ptr
pg_dlsym(void *handle, char *funcname)
{
func_ptr f;
if (shl_findsym((shl_t *) & handle, funcname, TYPE_PROCEDURE, &f) == -1)
f = (func_ptr) NULL;
return f;
}
void
pg_dlclose(void *handle)
{
shl_unload((shl_t) handle);
}
char *
pg_dlerror()
{
static char errmsg[] = "shl_load failed";
return errmsg;
}
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