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4867fb1974
threads could exit even though there were connections waiting in the queue. Now, for a graceful restart the worker threads won't exit until they are told that the queue has been drained and no more connections will ever be added. git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/trunk@94106 13f79535-47bb-0310-9956-ffa450edef68
102 lines
4.0 KiB
C
102 lines
4.0 KiB
C
/* ====================================================================
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* The Apache Software License, Version 1.1
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*
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* Copyright (c) 2000-2002 The Apache Software Foundation. All rights
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* reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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*
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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*
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in
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* the documentation and/or other materials provided with the
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* distribution.
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*
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* 3. The end-user documentation included with the redistribution,
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* if any, must include the following acknowledgment:
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* "This product includes software developed by the
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* Apache Software Foundation (http://www.apache.org/)."
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* Alternately, this acknowledgment may appear in the software itself,
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* if and wherever such third-party acknowledgments normally appear.
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*
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* 4. The names "Apache" and "Apache Software Foundation" must
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* not be used to endorse or promote products derived from this
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* software without prior written permission. For written
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* permission, please contact apache@apache.org.
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*
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* 5. Products derived from this software may not be called "Apache",
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* nor may "Apache" appear in their name, without prior written
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* permission of the Apache Software Foundation.
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*
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* THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED
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* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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* DISCLAIMED. IN NO EVENT SHALL THE APACHE SOFTWARE FOUNDATION OR
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* ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
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* USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
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* ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
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* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
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* OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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* ====================================================================
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*
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* This software consists of voluntary contributions made by many
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* individuals on behalf of the Apache Software Foundation. For more
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* information on the Apache Software Foundation, please see
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* <http://www.apache.org/>.
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*
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* Portions of this software are based upon public domain software
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* originally written at the National Center for Supercomputing Applications,
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* University of Illinois, Urbana-Champaign.
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*/
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#ifndef FDQUEUE_H
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#define FDQUEUE_H
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#include "httpd.h"
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#include <stdlib.h>
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#if APR_HAVE_UNISTD_H
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#include <unistd.h>
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#endif
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#include <apr_thread_mutex.h>
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#include <apr_thread_cond.h>
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#include <sys/types.h>
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#if APR_HAVE_SYS_SOCKET_H
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#include <sys/socket.h>
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#endif
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#include <apr_errno.h>
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struct fd_queue_elem_t {
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apr_socket_t *sd;
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apr_pool_t *p;
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};
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typedef struct fd_queue_elem_t fd_queue_elem_t;
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struct fd_queue_t {
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int tail;
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fd_queue_elem_t *data;
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int bounds;
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apr_thread_mutex_t *one_big_mutex;
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apr_thread_cond_t *not_empty;
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apr_thread_cond_t *not_full;
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apr_pool_t **recycled_pools;
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int num_recycled;
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int terminated;
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};
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typedef struct fd_queue_t fd_queue_t;
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apr_status_t ap_queue_init(fd_queue_t *queue, int queue_capacity, apr_pool_t *a);
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apr_status_t ap_queue_push(fd_queue_t *queue, apr_socket_t *sd, apr_pool_t *p,
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apr_pool_t **recycled_pool);
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apr_status_t ap_queue_pop(fd_queue_t *queue, apr_socket_t **sd, apr_pool_t **p,
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apr_pool_t *recycled_pool);
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apr_status_t ap_queue_interrupt_all(fd_queue_t *queue);
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apr_status_t ap_queue_term(fd_queue_t *queue);
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#endif /* FDQUEUE_H */
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