1132718Skan/* Licensed to the Apache Software Foundation (ASF) under one or more 2169689Skan * contributor license agreements. See the NOTICE file distributed with 3117395Skan * this work for additional information regarding copyright ownership. 4117395Skan * The ASF licenses this file to You under the Apache License, Version 2.0 5117395Skan * (the "License"); you may not use this file except in compliance with 6117395Skan * the License. You may obtain a copy of the License at 7117395Skan * 8117395Skan * http://www.apache.org/licenses/LICENSE-2.0 9117395Skan * 10117395Skan * Unless required by applicable law or agreed to in writing, software 11117395Skan * distributed under the License is distributed on an "AS IS" BASIS, 12117395Skan * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13117395Skan * See the License for the specific language governing permissions and 14117395Skan * limitations under the License. 15117395Skan */ 16169689Skan 17117395Skan#ifndef INHERIT_H 18132718Skan#define INHERIT_H 19117395Skan 20117395Skan#include "apr_inherit.h" 21132718Skan 22132718Skan#define APR_INHERIT (1 << 24) /* Must not conflict with other bits */ 23132718Skan 24117395Skan#define APR_IMPLEMENT_INHERIT_SET(name, flag, pool, cleanup) \ 25117395Skanapr_status_t apr_##name##_inherit_set(apr_##name##_t *the##name) \ 26132718Skan{ \ 27117395Skan if (the##name->flag & APR_FOPEN_NOCLEANUP) \ 28117395Skan return APR_EINVAL; \ 29117395Skan if (!(the##name->flag & APR_INHERIT)) { \ 30117395Skan int flags = fcntl(the##name->name##des, F_GETFD); \ 31117395Skan if (flags == -1) \ 32117395Skan return errno; \ 33132718Skan flags &= ~(FD_CLOEXEC); \ 34117395Skan if (fcntl(the##name->name##des, F_SETFD, flags) == -1) \ 35132718Skan return errno; \ 36117395Skan the##name->flag |= APR_INHERIT; \ 37117395Skan apr_pool_child_cleanup_set(the##name->pool, \ 38117395Skan (void *)the##name, \ 39117395Skan cleanup, apr_pool_cleanup_null); \ 40117395Skan } \ 41132718Skan return APR_SUCCESS; \ 42117395Skan} 43132718Skan 44132718Skan#define APR_IMPLEMENT_INHERIT_UNSET(name, flag, pool, cleanup) \ 45117395Skanapr_status_t apr_##name##_inherit_unset(apr_##name##_t *the##name) \ 46117395Skan{ \ 47117395Skan if (the##name->flag & APR_FOPEN_NOCLEANUP) \ 48117395Skan return APR_EINVAL; \ 49117395Skan if (the##name->flag & APR_INHERIT) { \ 50117395Skan int flags; \ 51117395Skan if ((flags = fcntl(the##name->name##des, F_GETFD)) == -1) \ 52117395Skan return errno; \ 53117395Skan flags |= FD_CLOEXEC; \ 54117395Skan if (fcntl(the##name->name##des, F_SETFD, flags) == -1) \ 55117395Skan return errno; \ 56117395Skan the##name->flag &= ~APR_INHERIT; \ 57117395Skan apr_pool_child_cleanup_set(the##name->pool, \ 58132718Skan (void *)the##name, \ 59132718Skan cleanup, cleanup); \ 60132718Skan } \ 61132718Skan return APR_SUCCESS; \ 62117395Skan} 63132718Skan 64117395Skan#endif /* ! INHERIT_H */ 65132718Skan