/* ====================================================================
* The Apache Software License, Version 1.1
*
* Copyright (c) 2000-2002 The Apache Software Foundation. All rights
* reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
*
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in
* the documentation and/or other materials provided with the
* distribution.
*
* 3. The end-user documentation included with the redistribution,
* if any, must include the following acknowledgment:
* "This product includes software developed by the
* Apache Software Foundation (http://www.apache.org/)."
* Alternately, this acknowledgment may appear in the software itself,
* if and wherever such third-party acknowledgments normally appear.
*
* 4. The names "Apache" and "Apache Software Foundation" must
* not be used to endorse or promote products derived from this
* software without prior written permission. For written
* permission, please contact apache@apache.org.
*
* 5. Products derived from this software may not be called "Apache",
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*
* THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED
* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
* DISCLAIMED. IN NO EVENT SHALL THE APACHE SOFTWARE FOUNDATION OR
* ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
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* SUCH DAMAGE.
* ====================================================================
*
* This software consists of voluntary contributions made by many
* individuals on behalf of the Apache Software Foundation. For more
* information on the Apache Software Foundation, please see
* .
*/
#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
#include
#include
#if APR_HAVE_UNISTD_H
#include
#endif
#if APR_HAS_SHARED_MEMORY
typedef struct mbox {
char msg[1024];
int msgavail;
} mbox;
mbox *boxes;
#define N_BOXES 10
#define SHARED_SIZE (apr_size_t)(N_BOXES * sizeof(mbox))
#define SHARED_FILENAME "/tmp/apr.testshm.shm"
static void msgput(int boxnum, char *msg)
{
fprintf(stdout, "Producer: Sending message to box %d\n", boxnum);
apr_cpystrn(boxes[boxnum].msg, msg, strlen(msg));
boxes[boxnum].msgavail = 1;
}
int main(void)
{
apr_status_t rv;
apr_pool_t *pool;
apr_shm_t *shm;
int i;
char errmsg[200];
apr_initialize();
printf("APR Shared Memory Test: PRODUCER\n");
printf("Initializing the pool............................");
if (apr_pool_create(&pool, NULL) != APR_SUCCESS) {
printf("could not initialize pool\n");
exit(-1);
}
printf("OK\n");
printf("Producer attaching to name-based shared memory....");
rv = apr_shm_attach(&shm, SHARED_FILENAME, pool);
if (rv != APR_SUCCESS) {
printf("Producer unable to attach to name-based shared memory "
"segment: [%d] %s \n", rv,
apr_strerror(rv, errmsg, sizeof(errmsg)));
exit(-2);
}
printf("OK\n");
boxes = apr_shm_baseaddr_get(shm);
/* produce messages on all of the boxes, in descending order */
for (i = N_BOXES - 1; i > 0; i--) {
msgput(i, "Sending a message\n");
apr_sleep(apr_time_from_sec(1));
}
printf("Producer detaching from name-based shared memory....");
rv = apr_shm_detach(shm);
if (rv != APR_SUCCESS) {
printf("Producer unable to detach from name-based shared memory "
"segment: [%d] %s \n", rv,
apr_strerror(rv, errmsg, sizeof(errmsg)));
exit(-3);
}
printf("OK\n");
return 0;
}
#else /* APR_HAS_SHARED_MEMORY */
int main(void)
{
printf("APR SHMEM test not run!\n");
printf("shmem is not supported on this platform\n");
return -1;
}
#endif /* APR_HAS_SHARED_MEMORY */