| /* Licensed to the Apache Software Foundation (ASF) under one or more |
| * contributor license agreements. See the NOTICE file distributed with |
| * this work for additional information regarding copyright ownership. |
| * The ASF licenses this file to You 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. |
| */ |
| |
| #ifndef __JSVC_LOCKS_H__ |
| #define __JSVC_LOCKS_H__ |
| |
| /* |
| * as Cygwin does not support locks, jsvc use NT API to emulate them. |
| */ |
| #ifdef OS_CYGWIN |
| |
| #define F_ULOCK 0 /* Unlock a previously locked region */ |
| #define F_LOCK 1 /* Lock a region for exclusive use */ |
| |
| /* |
| * allow a file to be locked |
| * @param fildes an open file descriptor |
| * @param function a control value that specifies the action to be taken |
| * @param size number of bytes to lock |
| * @return Zero on success, a value less than 0 if an error was encountered |
| */ |
| int lockf(int fildes, int function, off_t size); |
| |
| #endif |
| #endif /* __JSVC_LOCKS_H__ */ |
| |
