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00001 /* Licensed to the Apache Software Foundation (ASF) under one or more 00002 * contributor license agreements. See the NOTICE file distributed with 00003 * this work for additional information regarding copyright ownership. 00004 * The ASF licenses this file to You under the Apache License, Version 2.0 00005 * (the "License"); you may not use this file except in compliance with 00006 * the License. You may obtain a copy of the License at 00007 * 00008 * http://www.apache.org/licenses/LICENSE-2.0 00009 * 00010 * Unless required by applicable law or agreed to in writing, software 00011 * distributed under the License is distributed on an "AS IS" BASIS, 00012 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 00013 * See the License for the specific language governing permissions and 00014 * limitations under the License. 00015 */ 00016 00017 #ifndef INHERIT_H 00018 #define INHERIT_H 00019 00020 #include "apr_inherit.h" 00021 00022 #define APR_INHERIT (1 << 24) /* Must not conflict with other bits */ 00023 00024 #define APR_IMPLEMENT_INHERIT_SET(name, flag, pool, cleanup) \ 00025 apr_status_t apr_##name##_inherit_set(apr_##name##_t *the##name) \ 00026 { \ 00027 if (the##name->flag & APR_FOPEN_NOCLEANUP) \ 00028 return APR_EINVAL; \ 00029 if (!(the##name->flag & APR_INHERIT)) { \ 00030 int flags = fcntl(the##name->name##des, F_GETFD); \ 00031 if (flags == -1) \ 00032 return errno; \ 00033 flags &= ~(FD_CLOEXEC); \ 00034 if (fcntl(the##name->name##des, F_SETFD, flags) == -1) \ 00035 return errno; \ 00036 the##name->flag |= APR_INHERIT; \ 00037 apr_pool_child_cleanup_set(the##name->pool, \ 00038 (void *)the##name, \ 00039 cleanup, apr_pool_cleanup_null); \ 00040 } \ 00041 return APR_SUCCESS; \ 00042 } 00043 00044 #define APR_IMPLEMENT_INHERIT_UNSET(name, flag, pool, cleanup) \ 00045 apr_status_t apr_##name##_inherit_unset(apr_##name##_t *the##name) \ 00046 { \ 00047 if (the##name->flag & APR_FOPEN_NOCLEANUP) \ 00048 return APR_EINVAL; \ 00049 if (the##name->flag & APR_INHERIT) { \ 00050 int flags; \ 00051 if ((flags = fcntl(the##name->name##des, F_GETFD)) == -1) \ 00052 return errno; \ 00053 flags |= FD_CLOEXEC; \ 00054 if (fcntl(the##name->name##des, F_SETFD, flags) == -1) \ 00055 return errno; \ 00056 the##name->flag &= ~APR_INHERIT; \ 00057 apr_pool_child_cleanup_set(the##name->pool, \ 00058 (void *)the##name, \ 00059 cleanup, cleanup); \ 00060 } \ 00061 return APR_SUCCESS; \ 00062 } 00063 00064 #endif /* ! INHERIT_H */
1.7.6.1