diff options
Diffstat (limited to 'stdlib/cxa_finalize.c')
-rw-r--r-- | stdlib/cxa_finalize.c | 82 |
1 files changed, 0 insertions, 82 deletions
diff --git a/stdlib/cxa_finalize.c b/stdlib/cxa_finalize.c deleted file mode 100644 index aa0a70cb58..0000000000 --- a/stdlib/cxa_finalize.c +++ /dev/null @@ -1,82 +0,0 @@ -/* Copyright (C) 1999-2017 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 Lesser General Public - License as published by the Free Software Foundation; either - version 2.1 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 - Lesser General Public License for more details. - - You should have received a copy of the GNU Lesser General Public - License along with the GNU C Library; if not, see - <http://www.gnu.org/licenses/>. */ - -#include <assert.h> -#include <stdlib.h> -#include <atomic.h> -#include "exit.h" -#include <fork.h> -#include <sysdep.h> -#include <stdint.h> - -/* If D is non-NULL, call all functions registered with `__cxa_atexit' - with the same dso handle. Otherwise, if D is NULL, call all of the - registered handlers. */ -void -__cxa_finalize (void *d) -{ - struct exit_function_list *funcs; - - restart: - for (funcs = __exit_funcs; funcs; funcs = funcs->next) - { - struct exit_function *f; - - for (f = &funcs->fns[funcs->idx - 1]; f >= &funcs->fns[0]; --f) - { - void (*cxafn) (void *arg, int status); - void *cxaarg; - - if ((d == NULL || d == f->func.cxa.dso_handle) - /* We don't want to run this cleanup more than once. */ - && (cxafn = f->func.cxa.fn, - cxaarg = f->func.cxa.arg, - ! catomic_compare_and_exchange_bool_acq (&f->flavor, ef_free, - ef_cxa))) - { - uint64_t check = __new_exitfn_called; - -#ifdef PTR_DEMANGLE - PTR_DEMANGLE (cxafn); -#endif - cxafn (cxaarg, 0); - - /* It is possible that that last exit function registered - more exit functions. Start the loop over. */ - if (__glibc_unlikely (check != __new_exitfn_called)) - goto restart; - } - } - } - - /* Also remove the quick_exit handlers, but do not call them. */ - for (funcs = __quick_exit_funcs; funcs; funcs = funcs->next) - { - struct exit_function *f; - - for (f = &funcs->fns[funcs->idx - 1]; f >= &funcs->fns[0]; --f) - if (d == NULL || d == f->func.cxa.dso_handle) - f->flavor = ef_free; - } - - /* Remove the registered fork handlers. We do not have to - unregister anything if the program is going to terminate anyway. */ -#ifdef UNREGISTER_ATFORK - if (d != NULL) - UNREGISTER_ATFORK (d); -#endif -} |