diff options
Diffstat (limited to 'inet/net-internal.h')
| -rw-r--r-- | inet/net-internal.h | 119 |
1 files changed, 0 insertions, 119 deletions
diff --git a/inet/net-internal.h b/inet/net-internal.h deleted file mode 100644 index 2b2632c7ba..0000000000 --- a/inet/net-internal.h +++ /dev/null @@ -1,119 +0,0 @@ -/* Network-related functions for internal library use. - Copyright (C) 2016-2017 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/>. */ - -#ifndef _NET_INTERNAL_H -#define _NET_INTERNAL_H 1 - -#include <arpa/inet.h> -#include <stdbool.h> -#include <stdint.h> -#include <sys/time.h> - -int __inet6_scopeid_pton (const struct in6_addr *address, - const char *scope, uint32_t *result) - internal_function attribute_hidden; -libc_hidden_proto (__inet6_scopeid_pton) - - -/* Deadline handling for enforcing timeouts. - - Code should call __deadline_current_time to obtain the current time - and cache it locally. The cache needs updating after every - long-running or potentially blocking operation. Deadlines relative - to the current time can be computed using __deadline_from_timeval. - The deadlines may have to be recomputed in response to certain - events (such as an incoming packet), but they are absolute (not - relative to the current time). A timeout suitable for use with the - poll function can be computed from such a deadline using - __deadline_to_ms. - - The fields in the structs defined belowed should only be used - within the implementation. */ - -/* Cache of the current time. Used to compute deadlines from relative - timeouts and vice versa. */ -struct deadline_current_time -{ - struct timespec current; -}; - -/* Return the current time. Terminates the process if the current - time is not available. */ -struct deadline_current_time __deadline_current_time (void) - internal_function attribute_hidden; - -/* Computed absolute deadline. */ -struct deadline -{ - struct timespec absolute; -}; - - -/* For internal use only. */ -static inline bool -__deadline_is_infinite (struct deadline deadline) -{ - return deadline.absolute.tv_nsec < 0; -} - -/* Return true if the current time is at the deadline or past it. */ -static inline bool -__deadline_elapsed (struct deadline_current_time current, - struct deadline deadline) -{ - return !__deadline_is_infinite (deadline) - && (current.current.tv_sec > deadline.absolute.tv_sec - || (current.current.tv_sec == deadline.absolute.tv_sec - && current.current.tv_nsec >= deadline.absolute.tv_nsec)); -} - -/* Return the deadline which occurs first. */ -static inline struct deadline -__deadline_first (struct deadline left, struct deadline right) -{ - if (__deadline_is_infinite (right) - || left.absolute.tv_sec < right.absolute.tv_sec - || (left.absolute.tv_sec == right.absolute.tv_sec - && left.absolute.tv_nsec < right.absolute.tv_nsec)) - return left; - else - return right; -} - -/* Add TV to the current time and return it. Returns a special - infinite absolute deadline on overflow. */ -struct deadline __deadline_from_timeval (struct deadline_current_time, - struct timeval tv) - internal_function attribute_hidden; - -/* Compute the number of milliseconds until the specified deadline, - from the current time in the argument. The result is mainly for - use with poll. If the deadline has already passed, return 0. If - the result would overflow an int, return INT_MAX. */ -int __deadline_to_ms (struct deadline_current_time, struct deadline) - internal_function attribute_hidden; - -/* Return true if TV.tv_sec is non-negative and TV.tv_usec is in the - interval [0, 999999]. */ -static inline bool -__is_timeval_valid_timeout (struct timeval tv) -{ - return tv.tv_sec >= 0 && tv.tv_usec >= 0 && tv.tv_usec < 1000 * 1000; -} - -#endif /* _NET_INTERNAL_H */ |