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Fix Linux dynloader code for pre-HAVE_DLOPEN systems, which evidently

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are still in use out there.  Per report from Brendan LeFebvre.
This commit is contained in:
Tom Lane
2002-10-15 16:04:17 +00:00
parent 951ec872c7
commit 3a2ef59116
2 changed files with 34 additions and 23 deletions
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38
src/backend/port/dynloader/linux.c
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@ -1,6 +1,6 @@
/*-------------------------------------------------------------------------
*
* dynloader.c
* linux.c
* Dynamic Loader for Postgres for Linux, generated from those for
* Ultrix.
*
@ -11,18 +11,22 @@
*
*
* IDENTIFICATION
* $Header: /cvsroot/pgsql/src/backend/port/dynloader/linux.c,v 1.22 2002/06/20 20:29:33 momjian Exp $
* $Header: /cvsroot/pgsql/src/backend/port/dynloader/linux.c,v 1.23 2002/10/15 16:04:17 tgl Exp $
*
*-------------------------------------------------------------------------
*/
#include "postgres.h"
#ifdef HAVE_DLD_H
#include "dld.h"
#include <dld.h>
#endif
#ifdef NOT_USED
extern char pg_pathname[];
#include "dynloader.h"
#include "miscadmin.h"
#ifndef HAVE_DLOPEN
void *
pg_dlopen(char *filename)
@ -98,8 +102,28 @@ pg_dlopen(char *filename)
#endif
}
PGFunction
pg_dlsym(void *handle, char *funcname)
{
#ifndef HAVE_DLD_H
return NULL;
#else
return (PGFunction) dld_get_func((funcname));
#endif
}
void
pg_dlclose(void *handle)
{
#ifndef HAVE_DLD_H
#else
dld_unlink_by_file(handle, 1);
free(handle);
#endif
}
char *
pg_dlerror()
pg_dlerror(void)
{
#ifndef HAVE_DLD_H
return "dynaloader unspported";
@ -108,4 +132,4 @@ pg_dlerror()
#endif
}
#endif
#endif /* !HAVE_DLOPEN */