From c41041bc2f84eb8f44ff36c3d14e55944185e665 Mon Sep 17 00:00:00 2001 From: Ulrich Drepper Date: Mon, 27 Dec 1999 21:50:29 +0000 Subject: Update. 1999-12-17 Andreas Jaeger * stdlib/Versions: Export __cxa_atexit and __cxa_finalize. 1999-12-16 Mark Mitchell * stdlib/Makefile (routines): Add cxa_atexit and cxa_finalize. * stdlib/exit.h (flavor): Add ef_cxa. (exit_function): Add cxa variant. * stdlib/exit.c (exit): Handle ef_cxa exit functions. * stdlib/cxa_atexit.c: New file. * stdlib/cxa_finalize.c: New file. --- stdlib/cxa_finalize.c | 44 ++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 44 insertions(+) create mode 100644 stdlib/cxa_finalize.c (limited to 'stdlib/cxa_finalize.c') diff --git a/stdlib/cxa_finalize.c b/stdlib/cxa_finalize.c new file mode 100644 index 0000000000..da2d91512e --- /dev/null +++ b/stdlib/cxa_finalize.c @@ -0,0 +1,44 @@ +/* Copyright (C) 1999 Free Software Foundation, Inc. + This file is part of the GNU C Library. + + The GNU C Library is free software; you can redistribute it and/or + modify it under the terms of the GNU Library General Public License as + published by the Free Software Foundation; either version 2 of the + License, or (at your option) any later version. + + The GNU C Library is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + Library General Public License for more details. + + You should have received a copy of the GNU Library General Public + License along with the GNU C Library; see the file COPYING.LIB. If not, + write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330, + Boston, MA 02111-1307, USA. */ + +#include +#include +#include +#include "exit.h" + +/* If D is non-NULL, call all functions registered with `__cxa_atexit' + with the same dso handle. Otherwise, if D is NULL, do nothing. */ +void +__cxa_finalize (void *d) +{ + struct exit_function_list *funcs; + + if (!d) + return; + + for (funcs = __exit_funcs; funcs; funcs = funcs->next) + { + struct exit_function *f; + + for (f = &funcs->fns[funcs->idx - 1]; f >= &funcs->fns[0]; --f) + if (d == f->func.cxa.dso_handle + /* We don't want to run this cleanup more than once. */ + && compare_and_swap (&f->flavor, ef_cxa, ef_free)) + (*f->func.cxa.fn) (f->func.cxa.arg); + } +} -- cgit 1.4.1