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From: Brian E Gallew <geek+@cmu.edu>

Browse Source 
dgux 5.4R4.11

Missing port-protos.h (not needed, I think).  Wants dld.h.  Should
really use the system dl stuff (like i386_solaris).  Needs to include
<netinet/in.h> before <arpa/inet.h>.  Here are some patches...
This commit is contained in:
Marc G. Fournier
1998-02-14 19:56:21 +00:00
parent d1891c6fb3
commit 527f8babc7
3 changed files with 22 additions and 109 deletions
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100
src/backend/port/dynloader/dgux.c
View File

@@ -1,101 +1,7 @@
/*-------------------------------------------------------------------------
/* Dummy file used for nothing at this point
*
* dynloader.c--
* Dynamic Loader for Postgres for DG/UX, generated from those for
* Linux.
* see dgux.h
*
* Copyright (c) 1994, Regents of the University of California
*
*
* IDENTIFICATION
* $Header: /cvsroot/pgsql/src/backend/port/dynloader/dgux.c,v 1.1 1997/12/20 04:48:02 scrappy Exp $
*
*-------------------------------------------------------------------------
* $Id: dgux.c,v 1.2 1998/02/14 19:56:19 scrappy Exp $
*/
#include <stdio.h>
#include <dld.h>
#include "postgres.h"
#include "port-protos.h"
#include "utils/elog.h"
#include "fmgr.h"
extern char pg_pathname[];
void *
pg_dlopen(char *filename)
{
static int dl_initialized = 0;
/*
* initializes the dynamic loader with the executable's pathname.
* (only needs to do this the first time pg_dlopen is called.)
*/
if (!dl_initialized)
{
if (dld_init(dld_find_executable(pg_pathname)))
{
return NULL;
}
/*
* if there are undefined symbols, we want dl to search from the
* following libraries also.
*/
dl_initialized = 1;
}
/*
* link the file, then check for undefined symbols!
*/
if (dld_link(filename))
{
return NULL;
}
/*
* If undefined symbols: try to link with the C and math libraries!
* This could be smarter, if the dynamic linker was able to handle
* shared libs!
*/
if (dld_undefined_sym_count > 0)
{
if (dld_link("/usr/lib/libc.a"))
{
elog(NOTICE, "dld: Cannot link C library!");
return NULL;
}
if (dld_undefined_sym_count > 0)
{
if (dld_link("/usr/lib/libm.a"))
{
elog(NOTICE, "dld: Cannot link math library!");
return NULL;
}
if (dld_undefined_sym_count > 0)
{
int count = dld_undefined_sym_count;
char **list = dld_list_undefined_sym();
/* list the undefined symbols, if any */
elog(NOTICE, "dld: Undefined:");
do
{
elog(NOTICE, " %s", *list);
list++;
count--;
} while (count > 0);
dld_unlink_by_file(filename, 1);
return NULL;
}
}
}
return (void *) strdup(filename);
}
char *
pg_dlerror()
{
return dld_strerror(dld_errno);
}