rubbos/app/httpd-2.0.64/srclib/apr/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 /* Deprecated */                                                    \
  50 APR_DECLARE(void) apr_##name##_set_inherit(apr_##name##_t *the##name) \
  51 {                                                                   \
  52     apr_##name##_inherit_set(the##name);                            \
  53 }
  54
  55 #define APR_IMPLEMENT_INHERIT_UNSET(name, flag, pool, cleanup)      \
  56 APR_DECLARE(apr_status_t) apr_##name##_inherit_unset(apr_##name##_t *the##name)\
  57 {                                                                   \
  58     IF_WIN_OS_IS_UNICODE                                            \
  59     {                                                               \
  60 /*      if (!SetHandleInformation(the##name->filehand,              \
  61  *                                HANDLE_FLAG_INHERIT, 0))          \
  62  *          return apr_get_os_error();                              \
  63  */ }                                                               \
  64     ELSE_WIN_OS_IS_ANSI                                             \
  65     {                                                               \
  66         HANDLE temp, hproc = GetCurrentProcess();                   \
  67         if (!DuplicateHandle(hproc, the##name->filehand,            \
  68                              hproc, &temp, 0, FALSE,                \
  69                              DUPLICATE_SAME_ACCESS))                \
  70             return apr_get_os_error();                              \
  71         CloseHandle(the##name->filehand);                           \
  72         the##name->filehand = temp;                                 \
  73     }                                                               \
  74     return APR_SUCCESS;                                             \
  75 }                                                                   \
  76 /* Deprecated */                                                    \
  77 APR_DECLARE(void) apr_##name##_unset_inherit(apr_##name##_t *the##name) \
  78 {                                                                   \
  79     apr_##name##_inherit_unset(the##name);                          \
  80 }
  81
  82 #elif APR_HAS_ANSI_FS || defined(_WIN32_WCE)
  83
  84 #define APR_IMPLEMENT_INHERIT_SET(name, flag, pool, cleanup)        \
  85 APR_DECLARE(apr_status_t) apr_##name##_inherit_set(apr_##name##_t *the##name) \
  86 {                                                                   \
  87     HANDLE temp, hproc = GetCurrentProcess();                       \
  88     if (!DuplicateHandle(hproc, the##name->filehand,                \
  89                          hproc, &temp, 0, TRUE,                     \
  90                          DUPLICATE_SAME_ACCESS))                    \
  91         return apr_get_os_error();                                  \
  92     CloseHandle(the##name->filehand);                               \
  93     the##name->filehand = temp;                                     \
  94     return APR_SUCCESS;                                             \
  95 }
  96
  97 #define APR_IMPLEMENT_INHERIT_UNSET(name, flag, pool, cleanup)      \
  98 APR_DECLARE(apr_status_t) apr_##name##_inherit_unset(apr_##name##_t *the##name)\
  99 {                                                                   \
 100     HANDLE temp, hproc = GetCurrentProcess();                       \
 101     if (!DuplicateHandle(hproc, the##name->filehand,                \
 102                          hproc, &temp, 0, FALSE,                    \
 103                          DUPLICATE_SAME_ACCESS))                    \
 104         return apr_get_os_error();                                  \
 105     CloseHandle(the##name->filehand);                               \
 106     the##name->filehand = temp;                                     \
 107     return APR_SUCCESS;                                             \
 108 }
 109
 110 #else /* APR_HAS_UNICODE_FS && !APR_HAS_ANSI_FS && !defined(_WIN32_WCE) */
 111
 112 #define APR_IMPLEMENT_INHERIT_SET(name, flag, pool, cleanup)        \
 113 APR_DECLARE(apr_status_t) apr_##name##_inherit_set(apr_##name##_t *the##name) \
 114 {                                                                   \
 115 /*  if (!SetHandleInformation(the##name->filehand,                  \
 116  *                            HANDLE_FLAG_INHERIT,                  \
 117  *                            HANDLE_FLAG_INHERIT))                 \
 118  *      return apr_get_os_error();                                  \
 119  */ return APR_SUCCESS;                                             \
 120 }
 121
 122 #define APR_IMPLEMENT_INHERIT_UNSET(name, flag, pool, cleanup)      \
 123 APR_DECLARE(apr_status_t) apr_##name##_inherit_unset(apr_##name##_t *the##name)\
 124 {                                                                   \
 125 /*  if (!SetHandleInformation(the##name->filehand,                  \
 126  *                            HANDLE_FLAG_INHERIT, 0))              \
 127  *      return apr_get_os_error();                                  \
 128  */ return APR_SUCCESS;                                             \
 129 }
 130
 131 #endif /* defined(APR_HAS_UNICODE_FS) */
 132
 133 #endif  /* ! INHERIT_H */