00001 /* ==================================================================== 00002 * The Apache Software License, Version 1.1 00003 * 00004 * Copyright (c) 2000-2003 The Apache Software Foundation. All rights 00005 * reserved. 00006 * 00007 * Redistribution and use in source and binary forms, with or without 00008 * modification, are permitted provided that the following conditions 00009 * are met: 00010 * 00011 * 1. Redistributions of source code must retain the above copyright 00012 * notice, this list of conditions and the following disclaimer. 00013 * 00014 * 2. Redistributions in binary form must reproduce the above copyright 00015 * notice, this list of conditions and the following disclaimer in 00016 * the documentation and/or other materials provided with the 00017 * distribution. 00018 * 00019 * 3. The end-user documentation included with the redistribution, 00020 * if any, must include the following acknowledgment: 00021 * "This product includes software developed by the 00022 * Apache Software Foundation (http://www.apache.org/)." 00023 * Alternately, this acknowledgment may appear in the software itself, 00024 * if and wherever such third-party acknowledgments normally appear. 00025 * 00026 * 4. The names "Apache" and "Apache Software Foundation" must 00027 * not be used to endorse or promote products derived from this 00028 * software without prior written permission. For written 00029 * permission, please contact apache@apache.org. 00030 * 00031 * 5. Products derived from this software may not be called "Apache", 00032 * nor may "Apache" appear in their name, without prior written 00033 * permission of the Apache Software Foundation. 00034 * 00035 * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED 00036 * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 00037 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE 00038 * DISCLAIMED. IN NO EVENT SHALL THE APACHE SOFTWARE FOUNDATION OR 00039 * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 00040 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 00041 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF 00042 * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND 00043 * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, 00044 * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT 00045 * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 00046 * SUCH DAMAGE. 00047 * ==================================================================== 00048 * 00049 * This software consists of voluntary contributions made by many 00050 * individuals on behalf of the Apache Software Foundation. For more 00051 * information on the Apache Software Foundation, please see 00052 * <http://www.apache.org/>. 00053 * 00054 * Portions of this software are based upon public domain software 00055 * originally written at the National Center for Supercomputing Applications, 00056 * University of Illinois, Urbana-Champaign. 00057 */ 00058 00059 #ifndef APR_QUEUE_H 00060 #define APR_QUEUE_H 00061 00062 #if APR_HAS_THREADS 00063 00071 #include "apu.h" 00072 #include "apr_errno.h" 00073 #include "apr_pools.h" 00074 00075 #ifdef __cplusplus 00076 extern "C" { 00077 #endif /* __cplusplus */ 00078 00088 typedef struct apr_queue_t apr_queue_t; 00089 00096 APU_DECLARE(apr_status_t) apr_queue_create(apr_queue_t **queue, 00097 unsigned int queue_capacity, 00098 apr_pool_t *a); 00099 00109 APU_DECLARE(apr_status_t) apr_queue_push(apr_queue_t *queue, void *data); 00110 00120 APU_DECLARE(apr_status_t) apr_queue_pop(apr_queue_t *queue, void **data); 00121 00132 APU_DECLARE(apr_status_t) apr_queue_trypush(apr_queue_t *queue, void *data); 00133 00144 APU_DECLARE(apr_status_t) apr_queue_trypop(apr_queue_t *queue, void **data); 00145 00154 APU_DECLARE(unsigned int) apr_queue_size(apr_queue_t *queue); 00155 00161 APU_DECLARE(apr_status_t) apr_queue_interrupt_all(apr_queue_t *queue); 00162 00169 APU_DECLARE(apr_status_t) apr_queue_term(apr_queue_t *queue); 00170 00171 #ifdef __cplusplus 00172 } 00173 #endif 00174 00177 #endif /* APR_HAS_THREADS */ 00178 00179 #endif /* APRQUEUE_H */