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/* 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.
*/
#include "apr_shm.h"
#include "apr_errno.h"
#include "apr_general.h"
#include "apr_lib.h"
#include "apr_strings.h"
#include "apr_time.h"
#include "testshm.h"
#include "apr.h"
#if APR_HAVE_STDLIB_H
#include <stdlib.h>
#endif
#if APR_HAS_SHARED_MEMORY
static void msgput(int boxnum, char *msg)
{
apr_cpystrn(boxes[boxnum].msg, msg, strlen(msg) + 1);
boxes[boxnum].msgavail = 1;
}
int main(void)
{
apr_status_t rv;
apr_pool_t *pool;
apr_shm_t *shm;
int i;
int sent = 0;
apr_initialize();
if (apr_pool_create(&pool, NULL) != APR_SUCCESS) {
exit(-1);
}
rv = apr_shm_attach(&shm, SHARED_FILENAME, pool);
if (rv != APR_SUCCESS) {
exit(-2);
}
boxes = apr_shm_baseaddr_get(shm);
/* produce messages on all of the boxes, in descending order,
* Yes, we could just return N_BOXES, but I want to have a double-check
* in this code. The original code actually sent N_BOXES - 1 messages,
* so rather than rely on possibly buggy code, this way we know that we
* are returning the right number.
*/
for (i = N_BOXES - 1, sent = 0; i >= 0; i--, sent++) {
msgput(i, MSG);
apr_sleep(apr_time_from_sec(1));
}
rv = apr_shm_detach(shm);
if (rv != APR_SUCCESS) {
exit(-3);
}
return sent;
}
#else /* APR_HAS_SHARED_MEMORY */
int main(void)
{
/* Just return, this program will never be launched, so there is no
* reason to print a message.
*/
return 0;
}
#endif /* APR_HAS_SHARED_MEMORY */
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