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/* 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 "apr_arch_file_io.h"
APR_DECLARE(apr_status_t) apr_file_lock(apr_file_t *thefile, int type)
{
FILELOCK lockrange = { 0, 0x7fffffff };
ULONG rc;
rc = DosSetFileLocks(thefile->filedes, NULL, &lockrange,
(type & APR_FLOCK_NONBLOCK) ? 0 : (ULONG)-1,
(type & APR_FLOCK_TYPEMASK) == APR_FLOCK_SHARED);
return APR_FROM_OS_ERROR(rc);
}
APR_DECLARE(apr_status_t) apr_file_unlock(apr_file_t *thefile)
{
FILELOCK unlockrange = { 0, 0x7fffffff };
ULONG rc;
rc = DosSetFileLocks(thefile->filedes, &unlockrange, NULL, 0, 0);
return APR_FROM_OS_ERROR(rc);
}
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