Main Page | Modules | Data Structures | File List | Data Fields | Globals | Related Pages

apr_proc_mutex.h

Go to the documentation of this file.
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 00055 #ifndef APR_PROC_MUTEX_H 00056 #define APR_PROC_MUTEX_H 00057 00063 #include "apr.h" 00064 #include "apr_pools.h" 00065 #include "apr_errno.h" 00066 00067 #ifdef __cplusplus 00068 extern "C" { 00069 #endif /* __cplusplus */ 00070 00082 typedef enum { 00083 APR_LOCK_FCNTL, 00084 APR_LOCK_FLOCK, 00085 APR_LOCK_SYSVSEM, 00086 APR_LOCK_PROC_PTHREAD, 00087 APR_LOCK_POSIXSEM, 00088 APR_LOCK_DEFAULT 00089 } apr_lockmech_e; 00090 00092 typedef struct apr_proc_mutex_t apr_proc_mutex_t; 00093 00094 /* Function definitions */ 00095 00117 APR_DECLARE(apr_status_t) apr_proc_mutex_create(apr_proc_mutex_t **mutex, 00118 const char *fname, 00119 apr_lockmech_e mech, 00120 apr_pool_t *pool); 00121 00133 APR_DECLARE(apr_status_t) apr_proc_mutex_child_init(apr_proc_mutex_t **mutex, 00134 const char *fname, 00135 apr_pool_t *pool); 00136 00142 APR_DECLARE(apr_status_t) apr_proc_mutex_lock(apr_proc_mutex_t *mutex); 00143 00151 APR_DECLARE(apr_status_t) apr_proc_mutex_trylock(apr_proc_mutex_t *mutex); 00152 00157 APR_DECLARE(apr_status_t) apr_proc_mutex_unlock(apr_proc_mutex_t *mutex); 00158 00163 APR_DECLARE(apr_status_t) apr_proc_mutex_destroy(apr_proc_mutex_t *mutex); 00164 00171 APR_DECLARE(apr_status_t) apr_proc_mutex_cleanup(void *mutex); 00172 00178 APR_DECLARE(const char *) apr_proc_mutex_lockfile(apr_proc_mutex_t *mutex); 00179 00185 APR_DECLARE(const char *) apr_proc_mutex_name(apr_proc_mutex_t *mutex); 00186 00190 APR_DECLARE(const char *) apr_proc_mutex_defname(void); 00191 00196 APR_POOL_DECLARE_ACCESSOR(proc_mutex); 00197 00200 #ifdef __cplusplus 00201 } 00202 #endif 00203 00204 #endif /* ! APR_PROC_MUTEX_H */

Generated on Wed Sep 1 05:15:08 2004 for Apache Portable Runtime by doxygen 1.3.8