| /* 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 */ |
| |