Imported Upstream version 1.5

[debian/gzip] / lib / close-hook.c

diff --git a/lib/close-hook.c b/lib/close-hook.c
deleted file mode 100644 (file)
index 1d569c0..0000000
--- a/lib/close-hook.c
+++ /dev/null
@@ -1,93 +0,0 @@
-/* -*- buffer-read-only: t -*- vi: set ro: */
-/* DO NOT EDIT! GENERATED AUTOMATICALLY! */
-/* Hook for making the close() function extensible.
-   Copyright (C) 2009, 2010 Free Software Foundation, Inc.
-   Written by Bruno Haible <bruno@clisp.org>, 2009.
-
-   This program is free software: you can redistribute it and/or modify it
-   under the terms of the GNU General Public License as published
-   by the Free Software Foundation; either version 3 of the License, or
-   (at your option) any later version.
-
-   This program 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 General Public License
-   along with this program.  If not, see <http://www.gnu.org/licenses/>.  */
-
-#include <config.h>
-
-/* Specification.  */
-#include "close-hook.h"
-
-#include <stdlib.h>
-#include <unistd.h>
-
-#undef close
-
-
-/* Currently, this entire code is only needed for the handling of sockets
-   on native Windows platforms.  */
-#if WINDOWS_SOCKETS
-
-/* The first and last link in the doubly linked list.
-   Initially the list is empty.  */
-static struct close_hook anchor = { &anchor, &anchor, NULL };
-
-int
-execute_close_hooks (int fd, const struct close_hook *remaining_list)
-{
-  if (remaining_list == &anchor)
-    /* End of list reached.  */
-    return close (fd);
-  else
-    return remaining_list->private_fn (fd, remaining_list->private_next);
-}
-
-int
-execute_all_close_hooks (int fd)
-{
-  return execute_close_hooks (fd, anchor.private_next);
-}
-
-void
-register_close_hook (close_hook_fn hook, struct close_hook *link)
-{
-  if (link->private_next == NULL && link->private_prev == NULL)
-    {
-      /* Add the link to the doubly linked list.  */
-      link->private_next = anchor.private_next;
-      link->private_prev = &anchor;
-      link->private_fn = hook;
-      anchor.private_next->private_prev = link;
-      anchor.private_next = link;
-    }
-  else
-    {
-      /* The link is already in use.  */
-      if (link->private_fn != hook)
-        abort ();
-    }
-}
-
-void
-unregister_close_hook (struct close_hook *link)
-{
-  struct close_hook *next = link->private_next;
-  struct close_hook *prev = link->private_prev;
-
-  if (next != NULL && prev != NULL)
-    {
-      /* The link is in use.  Remove it from the doubly linked list.  */
-      prev->private_next = next;
-      next->private_prev = prev;
-      /* Clear the link, to mark it unused.  */
-      link->private_next = NULL;
-      link->private_prev = NULL;
-      link->private_fn = NULL;
-    }
-}
-
-#endif