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Diffstat (limited to 'rubbos/app/httpd-2.0.64/srclib/apr/test/testshmconsumer.c')
-rw-r--r-- | rubbos/app/httpd-2.0.64/srclib/apr/test/testshmconsumer.c | 116 |
1 files changed, 116 insertions, 0 deletions
diff --git a/rubbos/app/httpd-2.0.64/srclib/apr/test/testshmconsumer.c b/rubbos/app/httpd-2.0.64/srclib/apr/test/testshmconsumer.c new file mode 100644 index 00000000..4064cd7d --- /dev/null +++ b/rubbos/app/httpd-2.0.64/srclib/apr/test/testshmconsumer.c @@ -0,0 +1,116 @@ +/* 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 <errno.h> +#include <stdio.h> +#include <stdlib.h> +#if APR_HAVE_UNISTD_H +#include <unistd.h> +#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 msgwait(int sleep_sec, int first_box, int last_box) +{ + int i; + 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) { + fprintf(stdout, "Consumer: received a message in box %d, message was: %s\n", + i, boxes[i].msg); + boxes[i].msgavail = 0; /* reset back to 0 */ + } + } + apr_sleep(apr_time_from_sec(1)); + } + fprintf(stdout, "Consumer: done waiting on mailboxes...\n"); +} + +int main(void) +{ + apr_status_t rv; + apr_pool_t *pool; + apr_shm_t *shm; + char errmsg[200]; + + apr_initialize(); + + printf("APR Shared Memory Test: CONSUMER\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("Consumer attaching to name-based shared memory...."); + rv = apr_shm_attach(&shm, SHARED_FILENAME, pool); + if (rv != APR_SUCCESS) { + printf("Consumer 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); + + /* consume messages on all of the boxes */ + msgwait(30, 0, N_BOXES); /* wait for 30 seconds for messages */ + + printf("Consumer detaching from name-based shared memory...."); + rv = apr_shm_detach(shm); + if (rv != APR_SUCCESS) { + printf("Consumer 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 */ + |