xref: /aosp_15_r20/external/cronet/third_party/apache-portable-runtime/src/test/tryread.c (revision 6777b5387eb2ff775bb5750e3f5d96f37fb7352b)
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 #include "testflock.h"
18 #include "apr_pools.h"
19 #include "apr_file_io.h"
20 #include "apr_general.h"
21 #include "apr.h"
22 
23 #if APR_HAVE_STDLIB_H
24 #include <stdlib.h>
25 #endif
26 
main(int argc,const char * const * argv)27 int main(int argc, const char * const *argv)
28 {
29     apr_file_t *file;
30     apr_status_t status;
31     apr_pool_t *p;
32 
33     apr_initialize();
34     apr_pool_create(&p, NULL);
35 
36     if (apr_file_open(&file, TESTFILE, APR_FOPEN_WRITE, APR_OS_DEFAULT, p)
37         != APR_SUCCESS) {
38 
39         exit(UNEXPECTED_ERROR);
40     }
41     status = apr_file_lock(file, APR_FLOCK_EXCLUSIVE | APR_FLOCK_NONBLOCK);
42     if (status == APR_SUCCESS) {
43         exit(SUCCESSFUL_READ);
44     }
45     if (APR_STATUS_IS_EAGAIN(status)) {
46         exit(FAILED_READ);
47     }
48     exit(UNEXPECTED_ERROR);
49 }
50