diff options
Diffstat (limited to 'gl/close-hook.h')
-rw-r--r-- | gl/close-hook.h | 72 |
1 files changed, 0 insertions, 72 deletions
diff --git a/gl/close-hook.h b/gl/close-hook.h deleted file mode 100644 index 1e115516..00000000 --- a/gl/close-hook.h +++ /dev/null @@ -1,72 +0,0 @@ -/* Hook for making the close() function extensible. - Copyright (C) 2009, 2010 Free Software Foundation, Inc. - - 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/>. */ - - -#ifndef CLOSE_HOOK_H -#define CLOSE_HOOK_H - -#ifdef __cplusplus -extern "C" { -#endif - - -/* Currently, this entire code is only needed for the handling of sockets - on native Windows platforms. */ -#if WINDOWS_SOCKETS - - -/* An element of the list of close hooks. - The fields of this structure are considered private. */ -struct close_hook -{ - /* Doubly linked list. */ - struct close_hook *private_next; - struct close_hook *private_prev; - /* Function that treats the types of FD that it knows about and calls - execute_close_hooks (FD, REMAINING_LIST) as a fallback. */ - int (*private_fn) (int fd, const struct close_hook *remaining_list); -}; - -/* This type of function closes FD, applying special knowledge for the FD - types it knows about, and calls execute_close_hooks (FD, REMAINING_LIST) - for the other FD types. */ -typedef int (*close_hook_fn) (int fd, const struct close_hook *remaining_list); - -/* Execute the close hooks in REMAINING_LIST. - Return 0 or -1, like close() would do. */ -extern int execute_close_hooks (int fd, const struct close_hook *remaining_list); - -/* Execute all close hooks. - Return 0 or -1, like close() would do. */ -extern int execute_all_close_hooks (int fd); - -/* Add a function to the list of close hooks. - The LINK variable points to a piece of memory which is guaranteed to be - accessible until the corresponding call to unregister_close_hook. */ -extern void register_close_hook (close_hook_fn hook, struct close_hook *link); - -/* Removes a function from the list of close hooks. */ -extern void unregister_close_hook (struct close_hook *link); - - -#endif - - -#ifdef __cplusplus -} -#endif - -#endif /* CLOSE_HOOK_H */ |