include/arch/win32/apr_arch_inherit.h

   1 /* Licensed to the Apache Software Foundation (ASF) under one or more
   2  * contributor license agreements.  See the NOTICE file distributed with
   3  * this work for additional information regarding copyright ownership.
   4  * The ASF licenses this file to You under the Apache License, Version 2.0
   5  * (the "License"); you may not use this file except in compliance with
   6  * the License.  You may obtain a copy of the License at
   7  *
   8  *     http://www.apache.org/licenses/LICENSE-2.0
   9  *
  10  * Unless required by applicable law or agreed to in writing, software
  11  * distributed under the License is distributed on an "AS IS" BASIS,
  12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  13  * See the License for the specific language governing permissions and
  14  * limitations under the License.
  15  */
  16
  17 #ifndef INHERIT_H
  18 #define INHERIT_H
  19
  20 #include "apr_inherit.h"
  21
  22 #define APR_INHERIT (1 << 24)    /* Must not conflict with other bits */
  23
  24 #if APR_HAS_UNICODE_FS && APR_HAS_ANSI_FS
  25 /* !defined(_WIN32_WCE) is implicit here */
  26
  27 #define APR_IMPLEMENT_INHERIT_SET(name, flag, pool, cleanup)        \
  28 APR_DECLARE(apr_status_t) apr_##name##_inherit_set(apr_##name##_t *the##name) \
  29 {                                                                   \
  30     IF_WIN_OS_IS_UNICODE                                            \
  31     {                                                               \
  32 /*     if (!SetHandleInformation(the##name->filehand,              \
  33  *                                HANDLE_FLAG_INHERIT,              \
  34  *                                HANDLE_FLAG_INHERIT))             \
  35  *          return apr_get_os_error();                              \
  36  */  }                                                               \
  37     ELSE_WIN_OS_IS_ANSI                                             \
  38     {                                                               \
  39         HANDLE temp, hproc = GetCurrentProcess();                   \
  40         if (!DuplicateHandle(hproc, the##name->filehand,            \
  41                              hproc, &temp, 0, TRUE,                 \
  42                              DUPLICATE_SAME_ACCESS))                \
  43             return apr_get_os_error();                              \
  44         CloseHandle(the##name->filehand);                           \
  45         the##name->filehand = temp;                                 \
  46     }                                                               \
  47     return APR_SUCCESS;                                             \
  48 }
  49
  50 #define APR_IMPLEMENT_INHERIT_UNSET(name, flag, pool, cleanup)      \
  51 APR_DECLARE(apr_status_t) apr_##name##_inherit_unset(apr_##name##_t *the##name)\
  52 {                                                                   \
  53     IF_WIN_OS_IS_UNICODE                                            \
  54     {                                                               \
  55 /*      if (!SetHandleInformation(the##name->filehand,              \
  56  *                                HANDLE_FLAG_INHERIT, 0))          \
  57  *          return apr_get_os_error();                              \
  58  */ }                                                               \
  59     ELSE_WIN_OS_IS_ANSI                                             \
  60     {                                                               \
  61         HANDLE temp, hproc = GetCurrentProcess();                   \
  62         if (!DuplicateHandle(hproc, the##name->filehand,            \
  63                              hproc, &temp, 0, FALSE,                \
  64                              DUPLICATE_SAME_ACCESS))                \
  65             return apr_get_os_error();                              \
  66         CloseHandle(the##name->filehand);                           \
  67         the##name->filehand = temp;                                 \
  68     }                                                               \
  69     return APR_SUCCESS;                                             \
  70 }
  71
  72 #elif APR_HAS_ANSI_FS || defined(_WIN32_WCE)
  73
  74 #define APR_IMPLEMENT_INHERIT_SET(name, flag, pool, cleanup)        \
  75 APR_DECLARE(apr_status_t) apr_##name##_inherit_set(apr_##name##_t *the##name) \
  76 {                                                                   \
  77     HANDLE temp, hproc = GetCurrentProcess();                       \
  78     if (!DuplicateHandle(hproc, the##name->filehand,                \
  79                          hproc, &temp, 0, TRUE,                     \
  80                          DUPLICATE_SAME_ACCESS))                    \
  81         return apr_get_os_error();                                  \
  82     CloseHandle(the##name->filehand);                               \
  83     the##name->filehand = temp;                                     \
  84     return APR_SUCCESS;                                             \
  85 }
  86
  87 #define APR_IMPLEMENT_INHERIT_UNSET(name, flag, pool, cleanup)      \
  88 APR_DECLARE(apr_status_t) apr_##name##_inherit_unset(apr_##name##_t *the##name)\
  89 {                                                                   \
  90     HANDLE temp, hproc = GetCurrentProcess();                       \
  91     if (!DuplicateHandle(hproc, the##name->filehand,                \
  92                          hproc, &temp, 0, FALSE,                    \
  93                          DUPLICATE_SAME_ACCESS))                    \
  94         return apr_get_os_error();                                  \
  95     CloseHandle(the##name->filehand);                               \
  96     the##name->filehand = temp;                                     \
  97     return APR_SUCCESS;                                             \
  98 }
  99
 100 #else /* APR_HAS_UNICODE_FS && !APR_HAS_ANSI_FS && !defined(_WIN32_WCE) */
 101
 102 #define APR_IMPLEMENT_INHERIT_SET(name, flag, pool, cleanup)        \
 103 APR_DECLARE(apr_status_t) apr_##name##_inherit_set(apr_##name##_t *the##name) \
 104 {                                                                   \
 105 /*  if (!SetHandleInformation(the##name->filehand,                  \
 106  *                            HANDLE_FLAG_INHERIT,                  \
 107  *                            HANDLE_FLAG_INHERIT))                 \
 108  *      return apr_get_os_error();                                  \
 109  */ return APR_SUCCESS;                                             \
 110 }
 111
 112 #define APR_IMPLEMENT_INHERIT_UNSET(name, flag, pool, cleanup)      \
 113 APR_DECLARE(apr_status_t) apr_##name##_inherit_unset(apr_##name##_t *the##name)\
 114 {                                                                   \
 115 /*  if (!SetHandleInformation(the##name->filehand,                  \
 116  *                            HANDLE_FLAG_INHERIT, 0))              \
 117  *      return apr_get_os_error();                                  \
 118  */ return APR_SUCCESS;                                             \
 119 }
 120
 121 #endif /* defined(APR_HAS_UNICODE_FS) */
 122
 123 #endif  /* ! INHERIT_H */