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diff --git a/test/testshmproducer.c b/test/testshmproducer.c
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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 */
+