1251875Speter/* Licensed to the Apache Software Foundation (ASF) under one or more 2251875Speter * contributor license agreements. See the NOTICE file distributed with 3251875Speter * this work for additional information regarding copyright ownership. 4251875Speter * The ASF licenses this file to You under the Apache License, Version 2.0 5251875Speter * (the "License"); you may not use this file except in compliance with 6251875Speter * the License. You may obtain a copy of the License at 7251875Speter * 8251875Speter * http://www.apache.org/licenses/LICENSE-2.0 9251875Speter * 10251875Speter * Unless required by applicable law or agreed to in writing, software 11251875Speter * distributed under the License is distributed on an "AS IS" BASIS, 12251875Speter * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13251875Speter * See the License for the specific language governing permissions and 14251875Speter * limitations under the License. 15251875Speter */ 16251875Speter 17251875Speter#ifndef PROC_MUTEX_H 18251875Speter#define PROC_MUTEX_H 19251875Speter 20251875Speter#include "apr.h" 21251875Speter#include "apr_private.h" 22251875Speter#include "apr_general.h" 23251875Speter#include "apr_lib.h" 24251875Speter#include "apr_proc_mutex.h" 25251875Speter#include "apr_pools.h" 26251875Speter#include "apr_portable.h" 27251875Speter#include "apr_file_io.h" 28251875Speter#include "apr_arch_file_io.h" 29251875Speter 30251875Speter/* System headers required by Locks library */ 31251875Speter#if APR_HAVE_SYS_TYPES_H 32251875Speter#include <sys/types.h> 33251875Speter#endif 34251875Speter#if APR_HAVE_STDIO_H 35251875Speter#include <stdio.h> 36251875Speter#endif 37251875Speter#if APR_HAVE_FCNTL_H 38251875Speter#include <fcntl.h> 39251875Speter#endif 40251875Speter 41251875Speter#ifdef HAVE_SYS_IPC_H 42251875Speter#include <sys/ipc.h> 43251875Speter#endif 44251875Speter#ifdef HAVE_SYS_SEM_H 45251875Speter#include <sys/sem.h> 46251875Speter#endif 47251875Speter#ifdef HAVE_SYS_FILE_H 48251875Speter#include <sys/file.h> 49251875Speter#endif 50251875Speter#if APR_HAVE_STDLIB_H 51251875Speter#include <stdlib.h> 52251875Speter#endif 53251875Speter#if APR_HAVE_UNISTD_H 54251875Speter#include <unistd.h> 55251875Speter#endif 56251875Speter#if APR_HAVE_STRING_H 57251875Speter#include <string.h> 58251875Speter#endif 59251875Speter#ifdef HAVE_SYS_MMAN_H 60251875Speter#include <sys/mman.h> 61251875Speter#endif 62251875Speter#if APR_HAVE_PTHREAD_H 63251875Speter#include <pthread.h> 64251875Speter#endif 65251875Speter#if APR_HAVE_SEMAPHORE_H 66251875Speter#include <semaphore.h> 67251875Speter#endif 68251875Speter/* End System Headers */ 69251875Speter 70251875Speterstruct apr_proc_mutex_unix_lock_methods_t { 71251875Speter unsigned int flags; 72251875Speter apr_status_t (*create)(apr_proc_mutex_t *, const char *); 73251875Speter apr_status_t (*acquire)(apr_proc_mutex_t *); 74251875Speter apr_status_t (*tryacquire)(apr_proc_mutex_t *); 75251875Speter apr_status_t (*release)(apr_proc_mutex_t *); 76251875Speter apr_status_t (*cleanup)(void *); 77251875Speter apr_status_t (*child_init)(apr_proc_mutex_t **, apr_pool_t *, const char *); 78251875Speter const char *name; 79251875Speter}; 80251875Spetertypedef struct apr_proc_mutex_unix_lock_methods_t apr_proc_mutex_unix_lock_methods_t; 81251875Speter 82251875Speter/* bit values for flags field in apr_unix_lock_methods_t */ 83251875Speter#define APR_PROCESS_LOCK_MECH_IS_GLOBAL 1 84251875Speter 85251875Speter#if !APR_HAVE_UNION_SEMUN && defined(APR_HAS_SYSVSEM_SERIALIZE) 86251875Speterunion semun { 87251875Speter int val; 88251875Speter struct semid_ds *buf; 89251875Speter unsigned short *array; 90251875Speter}; 91251875Speter#endif 92251875Speter 93251875Speterstruct apr_proc_mutex_t { 94251875Speter apr_pool_t *pool; 95251875Speter const apr_proc_mutex_unix_lock_methods_t *meth; 96251875Speter const apr_proc_mutex_unix_lock_methods_t *inter_meth; 97251875Speter int curr_locked; 98251875Speter char *fname; 99251875Speter#if APR_HAS_SYSVSEM_SERIALIZE || APR_HAS_FCNTL_SERIALIZE || APR_HAS_FLOCK_SERIALIZE 100251875Speter apr_file_t *interproc; 101251875Speter#endif 102251875Speter#if APR_HAS_POSIXSEM_SERIALIZE 103251875Speter sem_t *psem_interproc; 104251875Speter#endif 105251875Speter#if APR_HAS_PROC_PTHREAD_SERIALIZE 106251875Speter pthread_mutex_t *pthread_interproc; 107251875Speter#endif 108251875Speter}; 109251875Speter 110251875Spetervoid apr_proc_mutex_unix_setup_lock(void); 111251875Speter 112251875Speter#endif /* PROC_MUTEX_H */ 113251875Speter 114