| /* Copyright 2000-2004 The Apache Software Foundation |
| * |
| * Licensed under the Apache License, Version 2.0 (the "License"); |
| * you may not use this file except in compliance with the License. |
| * You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| |
| #include "win32/apr_arch_file_io.h" |
| #include "apr_file_io.h" |
| #include "apr_general.h" |
| #include "apr_strings.h" |
| #include <string.h> |
| #include "apr_arch_inherit.h" |
| |
| APR_DECLARE(apr_status_t) apr_file_dup(apr_file_t **new_file, |
| apr_file_t *old_file, apr_pool_t *p) |
| { |
| #ifdef _WIN32_WCE |
| return APR_ENOTIMPL; |
| #else |
| HANDLE hproc = GetCurrentProcess(); |
| HANDLE newhand = NULL; |
| |
| if (!DuplicateHandle(hproc, old_file->filehand, |
| hproc, &newhand, 0, FALSE, |
| DUPLICATE_SAME_ACCESS)) { |
| return apr_get_os_error(); |
| } |
| |
| (*new_file) = (apr_file_t *) apr_pcalloc(p, sizeof(apr_file_t)); |
| (*new_file)->filehand = newhand; |
| (*new_file)->flags = old_file->flags & ~APR_INHERIT; |
| (*new_file)->pool = p; |
| (*new_file)->fname = apr_pstrdup(p, old_file->fname); |
| (*new_file)->append = old_file->append; |
| (*new_file)->buffered = FALSE; |
| (*new_file)->ungetchar = old_file->ungetchar; |
| |
| #if APR_HAS_THREADS |
| if (old_file->mutex) { |
| apr_thread_mutex_create(&((*new_file)->mutex), |
| APR_THREAD_MUTEX_DEFAULT, p); |
| } |
| #endif |
| |
| apr_pool_cleanup_register((*new_file)->pool, (void *)(*new_file), file_cleanup, |
| apr_pool_cleanup_null); |
| |
| /* Create a pollset with room for one descriptor. */ |
| /* ### check return codes */ |
| (void) apr_pollset_create(&(*new_file)->pollset, 1, p, 0); |
| |
| return APR_SUCCESS; |
| #endif /* !defined(_WIN32_WCE) */ |
| } |
| |
| #define stdin_handle 0x01 |
| #define stdout_handle 0x02 |
| #define stderr_handle 0x04 |
| |
| APR_DECLARE(apr_status_t) apr_file_dup2(apr_file_t *new_file, |
| apr_file_t *old_file, apr_pool_t *p) |
| { |
| #ifdef _WIN32_WCE |
| return APR_ENOTIMPL; |
| #else |
| DWORD stdhandle = 0; |
| HANDLE hproc = GetCurrentProcess(); |
| HANDLE newhand = NULL; |
| apr_int32_t newflags; |
| |
| /* dup2 is not supported literaly with native Windows handles. |
| * We can, however, emulate dup2 for the standard i/o handles, |
| * and close and replace other handles with duped handles. |
| * The os_handle will change, however. |
| */ |
| if (new_file->filehand == GetStdHandle(STD_ERROR_HANDLE)) { |
| stdhandle |= stderr_handle; |
| } |
| if (new_file->filehand == GetStdHandle(STD_OUTPUT_HANDLE)) { |
| stdhandle |= stdout_handle; |
| } |
| if (new_file->filehand == GetStdHandle(STD_INPUT_HANDLE)) { |
| stdhandle |= stdin_handle; |
| } |
| |
| if (stdhandle) { |
| if (!DuplicateHandle(hproc, old_file->filehand, |
| hproc, &newhand, 0, |
| TRUE, DUPLICATE_SAME_ACCESS)) { |
| return apr_get_os_error(); |
| } |
| if (((stdhandle & stderr_handle) && !SetStdHandle(STD_ERROR_HANDLE, newhand)) || |
| ((stdhandle & stdout_handle) && !SetStdHandle(STD_OUTPUT_HANDLE, newhand)) || |
| ((stdhandle & stdin_handle) && !SetStdHandle(STD_INPUT_HANDLE, newhand))) { |
| return apr_get_os_error(); |
| } |
| newflags = old_file->flags | APR_INHERIT; |
| } |
| else { |
| if (!DuplicateHandle(hproc, old_file->filehand, |
| hproc, &newhand, 0, |
| FALSE, DUPLICATE_SAME_ACCESS)) { |
| return apr_get_os_error(); |
| } |
| newflags = old_file->flags & ~APR_INHERIT; |
| } |
| |
| if (new_file->filehand && (new_file->filehand != INVALID_HANDLE_VALUE)) { |
| CloseHandle(new_file->filehand); |
| } |
| |
| new_file->flags = newflags; |
| new_file->filehand = newhand; |
| new_file->fname = apr_pstrdup(new_file->pool, old_file->fname); |
| new_file->append = old_file->append; |
| new_file->buffered = FALSE; |
| new_file->ungetchar = old_file->ungetchar; |
| |
| #if APR_HAS_THREADS |
| if (old_file->mutex) { |
| apr_thread_mutex_create(&(new_file->mutex), |
| APR_THREAD_MUTEX_DEFAULT, p); |
| } |
| #endif |
| |
| return APR_SUCCESS; |
| #endif /* !defined(_WIN32_WCE) */ |
| } |
| |
| APR_DECLARE(apr_status_t) apr_file_setaside(apr_file_t **new_file, |
| apr_file_t *old_file, |
| apr_pool_t *p) |
| { |
| *new_file = (apr_file_t *)apr_palloc(p, sizeof(apr_file_t)); |
| memcpy(*new_file, old_file, sizeof(apr_file_t)); |
| (*new_file)->pool = p; |
| if (old_file->buffered) { |
| (*new_file)->buffer = apr_palloc(p, APR_FILE_BUFSIZE); |
| if (old_file->direction == 1) { |
| memcpy((*new_file)->buffer, old_file->buffer, old_file->bufpos); |
| } |
| else { |
| memcpy((*new_file)->buffer, old_file->buffer, old_file->dataRead); |
| } |
| } |
| if (old_file->mutex) { |
| apr_thread_mutex_create(&((*new_file)->mutex), |
| APR_THREAD_MUTEX_DEFAULT, p); |
| apr_thread_mutex_destroy(old_file->mutex); |
| } |
| if (old_file->fname) { |
| (*new_file)->fname = apr_pstrdup(p, old_file->fname); |
| } |
| if (!(old_file->flags & APR_FILE_NOCLEANUP)) { |
| apr_pool_cleanup_register(p, (void *)(*new_file), |
| file_cleanup, |
| file_cleanup); |
| } |
| |
| old_file->filehand = INVALID_HANDLE_VALUE; |
| apr_pool_cleanup_kill(old_file->pool, (void *)old_file, |
| file_cleanup); |
| |
| /* Create a pollset with room for one descriptor. */ |
| /* ### check return codes */ |
| (void) apr_pollset_create(&(*new_file)->pollset, 1, p, 0); |
| |
| return APR_SUCCESS; |
| } |