hurd: Fix build

[thirdparty/glibc.git] / stdlib / atexit.c

diff --git a/stdlib/atexit.c b/stdlib/atexit.c
index 7205f50dc0e10b92497e515b83629fe3cedc297d..91efcc693228d2c5805d9385dde4c96f355f2b73 100644 (file)
--- a/stdlib/atexit.c
+++ b/stdlib/atexit.c
@@ -1,90 +1,47 @@
-/* Copyright (C) 1991, 1996 Free Software Foundation, Inc.
+/* Copyright (C) 1991-2018 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.
+   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.
+
+   In addition to the permissions in the GNU Lesser General Public
+   License, the Free Software Foundation gives you unlimited
+   permission to link the compiled version of this file with other
+   programs, and to distribute those programs without any restriction
+   coming from the use of this file. (The GNU Lesser General Public
+   License restrictions do apply in other respects; for example, they
+   cover modification of the file, and distribution when not linked
+   into another program.)
+
+   Note that people who make modified versions of this file are not
+   obligated to grant this special exception for their modified
+   versions; it is their choice whether to do so. The GNU Lesser
+   General Public License gives permission to release a modified
+   version without this exception; this exception also makes it
+   possible to release a modified version which carries forward this
+   exception.
 
    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.
+   Lesser 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.  */
+   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 <bits/libc-lock.h>
 #include <stdlib.h>
+#include <dso_handle.h>
 #include "exit.h"
 
-
 /* Register FUNC to be executed by `exit'.  */
 int
+#ifndef atexit
+attribute_hidden
+#endif
 atexit (void (*func) (void))
 {
-  struct exit_function *new = __new_exitfn ();
-
-  if (new == NULL)
-    return -1;
-
-  new->flavor = ef_at;
-  new->func.at = func;
-  return 0;
-}
-
-
-/* We change global data, so we need locking.  */
-__libc_lock_define_initialized (static, lock)
-
-
-static struct exit_function_list fnlist = { NULL, 0, };
-struct exit_function_list *__exit_funcs = &fnlist;
-
-struct exit_function *
-__new_exitfn (void)
-{
-  struct exit_function_list *l;
-  size_t i = 0;
-
-  __libc_lock_lock (lock);
-
-  for (l = __exit_funcs; l != NULL; l = l->next)
-    {
-      for (i = 0; i < l->idx; ++i)
-       if (l->fns[i].flavor == ef_free)
-         break;
-      if (i < l->idx)
-       break;
-
-      if (l->idx < sizeof (l->fns) / sizeof (l->fns[0]))
-       {
-         i = l->idx++;
-         break;
-       }
-    }
-
-  if (l == NULL)
-    {
-      l = (struct exit_function_list *)
-       malloc (sizeof (struct exit_function_list));
-      if (l != NULL)
-       {
-         l->next = __exit_funcs;
-         __exit_funcs = l;
-
-         l->idx = 1;
-         i = 0;
-       }
-    }
-
-  /* Mark entry as used, but we don't know the flavor now.  */
-  if (l != NULL)
-    l->fns[i].flavor = ef_us;
-
-  __libc_lock_unlock (lock);
-
-  return l == NULL ? NULL : &l->fns[i];
+  return __cxa_atexit ((void (*) (void *)) func, NULL, __dso_handle);
 }