| /* 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 int msgwait(int sleep_sec, int first_box, int last_box) |
| { |
| int i; |
| int recvd = 0; |
| apr_time_t start = apr_time_now(); |
| apr_interval_time_t sleep_duration = apr_time_from_sec(sleep_sec); |
| while (apr_time_now() - start < sleep_duration) { |
| for (i = first_box; i < last_box; i++) { |
| if (boxes[i].msgavail && !strcmp(boxes[i].msg, MSG)) { |
| recvd++; |
| boxes[i].msgavail = 0; /* reset back to 0 */ |
| memset(boxes[i].msg, 0, 1024); |
| } |
| } |
| apr_sleep(apr_time_from_sec(1)); |
| } |
| return recvd; |
| } |
| |
| int main(void) |
| { |
| apr_status_t rv; |
| apr_pool_t *pool; |
| apr_shm_t *shm; |
| int recvd; |
| |
| 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); |
| |
| /* consume messages on all of the boxes */ |
| recvd = msgwait(30, 0, N_BOXES); /* wait for 30 seconds for messages */ |
| |
| rv = apr_shm_detach(shm); |
| if (rv != APR_SUCCESS) { |
| exit(-3); |
| } |
| |
| return recvd; |
| } |
| |
| #else /* APR_HAS_SHARED_MEMORY */ |
| |
| int main(void) |
| { |
| /* Just return, this program will never be called, so we don't need |
| * to print a message |
| */ |
| return 0; |
| } |
| |
| #endif /* APR_HAS_SHARED_MEMORY */ |
| |