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Diffstat (limited to 'REORG.TODO/stdlib/on_exit.c')
-rw-r--r-- | REORG.TODO/stdlib/on_exit.c | 41 |
1 files changed, 41 insertions, 0 deletions
diff --git a/REORG.TODO/stdlib/on_exit.c b/REORG.TODO/stdlib/on_exit.c new file mode 100644 index 0000000000..83845e76d8 --- /dev/null +++ b/REORG.TODO/stdlib/on_exit.c @@ -0,0 +1,41 @@ +/* Copyright (C) 1991-2017 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 <stdlib.h> +#include "exit.h" +#include <atomic.h> +#include <sysdep.h> + +/* Register a function to be called by exit. */ +int +__on_exit (void (*func) (int status, void *arg), void *arg) +{ + struct exit_function *new = __new_exitfn (&__exit_funcs); + + if (new == NULL) + return -1; + +#ifdef PTR_MANGLE + PTR_MANGLE (func); +#endif + new->func.on.fn = func; + new->func.on.arg = arg; + atomic_write_barrier (); + new->flavor = ef_on; + return 0; +} +weak_alias (__on_exit, on_exit) |