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 INHERIT_H 18251875Speter#define INHERIT_H 19251875Speter 20251875Speter#include "apr_inherit.h" 21251875Speter 22251875Speter#define APR_INHERIT (1 << 24) /* Must not conflict with other bits */ 23251875Speter 24251875Speter#define APR_IMPLEMENT_INHERIT_SET(name, flag, pool, cleanup) \ 25251875Speterapr_status_t apr_##name##_inherit_set(apr_##name##_t *the##name) \ 26251875Speter{ \ 27251875Speter if (the##name->flag & APR_FOPEN_NOCLEANUP) \ 28251875Speter return APR_EINVAL; \ 29251875Speter if (!(the##name->flag & APR_INHERIT)) { \ 30251875Speter int flags = fcntl(the##name->name##des, F_GETFD); \ 31251875Speter if (flags == -1) \ 32251875Speter return errno; \ 33251875Speter flags &= ~(FD_CLOEXEC); \ 34251875Speter if (fcntl(the##name->name##des, F_SETFD, flags) == -1) \ 35251875Speter return errno; \ 36251875Speter the##name->flag |= APR_INHERIT; \ 37251875Speter apr_pool_child_cleanup_set(the##name->pool, \ 38251875Speter (void *)the##name, \ 39251875Speter cleanup, apr_pool_cleanup_null); \ 40251875Speter } \ 41251875Speter return APR_SUCCESS; \ 42251875Speter} 43251875Speter 44251875Speter#define APR_IMPLEMENT_INHERIT_UNSET(name, flag, pool, cleanup) \ 45251875Speterapr_status_t apr_##name##_inherit_unset(apr_##name##_t *the##name) \ 46251875Speter{ \ 47251875Speter if (the##name->flag & APR_FOPEN_NOCLEANUP) \ 48251875Speter return APR_EINVAL; \ 49251875Speter if (the##name->flag & APR_INHERIT) { \ 50251875Speter int flags; \ 51251875Speter if ((flags = fcntl(the##name->name##des, F_GETFD)) == -1) \ 52251875Speter return errno; \ 53251875Speter flags |= FD_CLOEXEC; \ 54251875Speter if (fcntl(the##name->name##des, F_SETFD, flags) == -1) \ 55251875Speter return errno; \ 56251875Speter the##name->flag &= ~APR_INHERIT; \ 57251875Speter apr_pool_child_cleanup_set(the##name->pool, \ 58251875Speter (void *)the##name, \ 59251875Speter cleanup, cleanup); \ 60251875Speter } \ 61251875Speter return APR_SUCCESS; \ 62251875Speter} 63251875Speter 64251875Speter#endif /* ! INHERIT_H */ 65