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
8 * http://www.apache.org/licenses/LICENSE-2.0
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.
17 #include "apr_arch_file_io.h"
19 APR_DECLARE(apr_status_t) apr_file_lock(apr_file_t *thefile, int type)
21 FILELOCK lockrange = { 0, 0x7fffffff };
24 rc = DosSetFileLocks(thefile->filedes, NULL, &lockrange,
25 (type & APR_FLOCK_NONBLOCK) ? 0 : (ULONG)-1,
26 (type & APR_FLOCK_TYPEMASK) == APR_FLOCK_SHARED);
27 return APR_FROM_OS_ERROR(rc);
30 APR_DECLARE(apr_status_t) apr_file_unlock(apr_file_t *thefile)
32 FILELOCK unlockrange = { 0, 0x7fffffff };
35 rc = DosSetFileLocks(thefile->filedes, &unlockrange, NULL, 0, 0);
36 return APR_FROM_OS_ERROR(rc);