| /* thread_count.c --- implement SVN's wrapper around apr_thread_cond_t |
| * |
| * ==================================================================== |
| * Licensed to the Apache Software Foundation (ASF) under one |
| * or more contributor license agreements. See the NOTICE file |
| * distributed with this work for additional information |
| * regarding copyright ownership. The ASF licenses this file |
| * to you under the Apache License, Version 2.0 (the |
| * "License"); you may not use this file except in compliance |
| * with the License. You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, |
| * software distributed under the License is distributed on an |
| * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY |
| * KIND, either express or implied. See the License for the |
| * specific language governing permissions and limitations |
| * under the License. |
| * ==================================================================== |
| */ |
| |
| #include "private/svn_thread_cond.h" |
| |
| /* Handy macro to check APR function results and turning them into |
| * svn_error_t upon failure. */ |
| #define WRAP_APR_ERR(x,msg) \ |
| { \ |
| apr_status_t status_ = (x); \ |
| if (status_) \ |
| return svn_error_wrap_apr(status_, msg); \ |
| } |
| |
| |
| svn_error_t * |
| svn_thread_cond__create(svn_thread_cond__t **cond, |
| apr_pool_t *result_pool) |
| { |
| #if APR_HAS_THREADS |
| |
| WRAP_APR_ERR(apr_thread_cond_create(cond, result_pool), |
| "Can't create condition variable"); |
| |
| #else |
| |
| *cond = apr_pcalloc(result_pool, sizeof(**cond)); |
| |
| #endif |
| |
| return SVN_NO_ERROR; |
| } |
| |
| svn_error_t * |
| svn_thread_cond__signal(svn_thread_cond__t *cond) |
| { |
| #if APR_HAS_THREADS |
| |
| WRAP_APR_ERR(apr_thread_cond_signal(cond), |
| "Can't signal condition variable"); |
| |
| #endif |
| |
| return SVN_NO_ERROR; |
| } |
| |
| svn_error_t * |
| svn_thread_cond__broadcast(svn_thread_cond__t *cond) |
| { |
| #if APR_HAS_THREADS |
| |
| WRAP_APR_ERR(apr_thread_cond_broadcast(cond), |
| "Can't broadcast condition variable"); |
| |
| #endif |
| |
| return SVN_NO_ERROR; |
| } |
| |
| svn_error_t * |
| svn_thread_cond__wait(svn_thread_cond__t *cond, |
| svn_mutex__t *mutex) |
| { |
| #if APR_HAS_THREADS |
| |
| WRAP_APR_ERR(apr_thread_cond_wait(cond, svn_mutex__get(mutex)), |
| "Can't wait on condition variable"); |
| |
| #endif |
| |
| return SVN_NO_ERROR; |
| } |