danicoin/external/unbound/util/shm_side/shm_main.h
Erik de Castro Lopo a85b5759f3 Upgrade unbound library
These files were pulled from the 1.6.3 release tarball.

This new version builds against OpenSSL version 1.1 which will be
the default in the new Debian Stable which is due to be released
RealSoonNow (tm).
2017-06-17 23:04:00 +10:00

87 lines
2.6 KiB
C

/*
* util/shm_side/shm_main.h - control the shared memory for unbound.
*
* Copyright (c) 2007, NLnet Labs. All rights reserved.
*
* This software is open source.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* Redistributions of source code must retain the above copyright notice,
* this list of conditions and the following disclaimer.
*
* Redistributions in binary form must reproduce the above copyright notice,
* this list of conditions and the following disclaimer in the documentation
* and/or other materials provided with the distribution.
*
* Neither the name of the NLNET LABS nor the names of its contributors may
* be used to endorse or promote products derived from this software without
* specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
* HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED
* TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
* PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
* LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
* NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
/**
* \file
*
* This file contains functions for the SHM side.
*/
#ifndef UTIL_SHM_SIDE_MAIN_H
#define UTIL_SHM_SIDE_MAIN_H
struct daemon;
struct worker;
/** Some global statistics that are not in struct stats_info,
* this struct is shared on a shm segment */
struct shm_stat_info {
int num_threads;
struct {
struct timeval now;
struct timeval up;
struct timeval elapsed;
} time;
struct {
size_t msg;
size_t rrset;
size_t val;
size_t iter;
size_t subnet;
} mem;
};
/**
* The SHM info.
*/
struct shm_main_info {
/** stats_info array, shared memory segment.
* [0] is totals, [1..thread_num] are per-thread stats */
struct stats_info* ptr_arr;
/** the global stats block, shared memory segment */
struct shm_stat_info* ptr_ctl;
int key;
int id_ctl;
int id_arr;
};
int shm_main_init(struct daemon* daemon);
void shm_main_shutdown(struct daemon* daemon);
void shm_main_run(struct worker *worker);
#endif /* UTIL_SHM_SIDE_MAIN_H */