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[patch] Add xdlopen/xdlsym/xdlclose support routines

From: Paul Pluzhnikov <ppluzhnikov at google dot com>
To: GLIBC Devel <libc-alpha at sourceware dot org>
Cc: "Carlos O'Donell" <carlos at redhat dot com>
Date: Wed, 20 Sep 2017 17:34:02 -0700
Subject: [patch] Add xdlopen/xdlsym/xdlclose support routines
Authentication-results: sourceware.org; auth=none

Greetings,

As suggested in
https://sourceware.org/ml/libc-alpha/2017-09/msg00799.html, this patch
implements xdlopen, xdlsym and xdlclose routines which terminate test
program with appropriate message if the corresponding dlfcn.h routine
returns an error.

The patch also converts stdlib/tst-tls-atexit.c to the new routines
(to make sure they work).

Suggested commit message:

---
Implement xdlopen, xdlsym and xdlclose routines which terminate test
program with appropriate message if the corresponding dlfcn.h routine
returns an error.

Use them in stdlib/tst-tls-atexit.c
---

-- 
Paul Pluzhnikov

Attachment: glibc-xdlfcn-20170920.txt
Description: Text document

Follow-Ups:
- Re: [patch] Add xdlopen/xdlsym/xdlclose support routines
  - From: Carlos O'Donell

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