mirror of https://gitee.com/openkylin/apr.git
333 lines
9.8 KiB
C
333 lines
9.8 KiB
C
/* Licensed to the Apache Software Foundation (ASF) under one or more
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* contributor license agreements. See the NOTICE file distributed with
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* this work for additional information regarding copyright ownership.
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* The ASF licenses this file to You under the Apache License, Version 2.0
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* (the "License"); you may not use this file except in compliance with
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* the License. You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#include "testutil.h"
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#include "apr_shm.h"
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#include "apr_errno.h"
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#include "apr_general.h"
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#include "apr_lib.h"
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#include "apr_strings.h"
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#include "apr_thread_proc.h"
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#include "apr_time.h"
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#include "testshm.h"
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#include "apr.h"
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#if APR_HAVE_STDLIB_H
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#include <stdlib.h>
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#endif
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#if APR_HAS_SHARED_MEMORY
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#if APR_HAS_FORK
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static int msgwait(int sleep_sec, int first_box, int last_box)
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{
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int i;
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int recvd = 0;
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apr_time_t start = apr_time_now();
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apr_interval_time_t sleep_duration = apr_time_from_sec(sleep_sec);
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while (apr_time_now() - start < sleep_duration) {
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for (i = first_box; i < last_box; i++) {
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if (boxes[i].msgavail && !strcmp(boxes[i].msg, MSG)) {
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recvd++;
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boxes[i].msgavail = 0; /* reset back to 0 */
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/* reset the msg field. 1024 is a magic number and it should
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* be a macro, but I am being lazy.
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*/
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memset(boxes[i].msg, 0, 1024);
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}
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}
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apr_sleep(apr_time_make(0, 10000)); /* 10ms */
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}
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return recvd;
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}
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static void msgput(int boxnum, char *msg)
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{
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apr_cpystrn(boxes[boxnum].msg, msg, strlen(msg) + 1);
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boxes[boxnum].msgavail = 1;
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}
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#endif /* APR_HAS_FORK */
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static void test_anon_create(abts_case *tc, void *data)
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{
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apr_status_t rv;
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apr_shm_t *shm = NULL;
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rv = apr_shm_create(&shm, SHARED_SIZE, NULL, p);
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APR_ASSERT_SUCCESS(tc, "Error allocating shared memory block", rv);
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ABTS_PTR_NOTNULL(tc, shm);
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rv = apr_shm_destroy(shm);
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APR_ASSERT_SUCCESS(tc, "Error destroying shared memory block", rv);
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}
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static void test_check_size(abts_case *tc, void *data)
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{
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apr_status_t rv;
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apr_shm_t *shm = NULL;
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apr_size_t retsize;
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rv = apr_shm_create(&shm, SHARED_SIZE, NULL, p);
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APR_ASSERT_SUCCESS(tc, "Error allocating shared memory block", rv);
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ABTS_PTR_NOTNULL(tc, shm);
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retsize = apr_shm_size_get(shm);
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ABTS_SIZE_EQUAL(tc, SHARED_SIZE, retsize);
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rv = apr_shm_destroy(shm);
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APR_ASSERT_SUCCESS(tc, "Error destroying shared memory block", rv);
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}
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static void test_shm_allocate(abts_case *tc, void *data)
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{
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apr_status_t rv;
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apr_shm_t *shm = NULL;
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rv = apr_shm_create(&shm, SHARED_SIZE, NULL, p);
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APR_ASSERT_SUCCESS(tc, "Error allocating shared memory block", rv);
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ABTS_PTR_NOTNULL(tc, shm);
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boxes = apr_shm_baseaddr_get(shm);
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ABTS_PTR_NOTNULL(tc, boxes);
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rv = apr_shm_destroy(shm);
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APR_ASSERT_SUCCESS(tc, "Error destroying shared memory block", rv);
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}
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#if APR_HAS_FORK
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static void test_anon(abts_case *tc, void *data)
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{
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apr_proc_t proc;
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apr_status_t rv;
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apr_shm_t *shm;
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apr_size_t retsize;
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int cnt, i;
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int recvd;
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rv = apr_shm_create(&shm, SHARED_SIZE, NULL, p);
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APR_ASSERT_SUCCESS(tc, "Error allocating shared memory block", rv);
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ABTS_PTR_NOTNULL(tc, shm);
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retsize = apr_shm_size_get(shm);
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ABTS_INT_EQUAL(tc, SHARED_SIZE, retsize);
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boxes = apr_shm_baseaddr_get(shm);
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ABTS_PTR_NOTNULL(tc, boxes);
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rv = apr_proc_fork(&proc, p);
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if (rv == APR_INCHILD) { /* child */
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int num = msgwait(5, 0, N_BOXES);
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/* exit with the number of messages received so that the parent
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* can check that all messages were received.
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*/
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exit(num);
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}
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else if (rv == APR_INPARENT) { /* parent */
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i = N_BOXES;
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cnt = 0;
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while (cnt++ < N_MESSAGES) {
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if ((i-=3) < 0) {
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i += N_BOXES; /* start over at the top */
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}
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msgput(i, MSG);
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apr_sleep(apr_time_make(0, 10000));
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}
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}
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else {
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ABTS_FAIL(tc, "apr_proc_fork failed");
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}
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/* wait for the child */
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rv = apr_proc_wait(&proc, &recvd, NULL, APR_WAIT);
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ABTS_INT_EQUAL(tc, N_MESSAGES, recvd);
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rv = apr_shm_destroy(shm);
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APR_ASSERT_SUCCESS(tc, "Error destroying shared memory block", rv);
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}
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#endif
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static void test_named(abts_case *tc, void *data)
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{
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apr_status_t rv;
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apr_shm_t *shm = NULL;
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apr_size_t retsize;
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apr_proc_t pidproducer, pidconsumer;
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apr_procattr_t *attr1 = NULL, *attr2 = NULL;
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int sent, received;
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apr_exit_why_e why;
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const char *args[4];
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apr_shm_remove(SHARED_FILENAME, p);
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rv = apr_shm_create(&shm, SHARED_SIZE, SHARED_FILENAME, p);
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APR_ASSERT_SUCCESS(tc, "Error allocating shared memory block", rv);
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if (rv != APR_SUCCESS) {
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return;
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}
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ABTS_PTR_NOTNULL(tc, shm);
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retsize = apr_shm_size_get(shm);
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ABTS_SIZE_EQUAL(tc, SHARED_SIZE, retsize);
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boxes = apr_shm_baseaddr_get(shm);
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ABTS_PTR_NOTNULL(tc, boxes);
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rv = apr_procattr_create(&attr1, p);
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ABTS_PTR_NOTNULL(tc, attr1);
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APR_ASSERT_SUCCESS(tc, "Couldn't create attr1", rv);
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rv = apr_procattr_cmdtype_set(attr1, APR_PROGRAM_ENV);
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APR_ASSERT_SUCCESS(tc, "Couldn't set copy environment", rv);
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args[0] = apr_pstrdup(p, "testshmproducer" EXTENSION);
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args[1] = NULL;
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rv = apr_proc_create(&pidproducer, TESTBINPATH "testshmproducer" EXTENSION, args,
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NULL, attr1, p);
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APR_ASSERT_SUCCESS(tc, "Couldn't launch producer", rv);
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rv = apr_procattr_create(&attr2, p);
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ABTS_PTR_NOTNULL(tc, attr2);
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APR_ASSERT_SUCCESS(tc, "Couldn't create attr2", rv);
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rv = apr_procattr_cmdtype_set(attr2, APR_PROGRAM_ENV);
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APR_ASSERT_SUCCESS(tc, "Couldn't set copy environment", rv);
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args[0] = apr_pstrdup(p, "testshmconsumer" EXTENSION);
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rv = apr_proc_create(&pidconsumer, TESTBINPATH "testshmconsumer" EXTENSION, args,
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NULL, attr2, p);
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APR_ASSERT_SUCCESS(tc, "Couldn't launch consumer", rv);
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rv = apr_proc_wait(&pidconsumer, &received, &why, APR_WAIT);
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ABTS_INT_EQUAL(tc, APR_CHILD_DONE, rv);
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ABTS_INT_EQUAL(tc, APR_PROC_EXIT, why);
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rv = apr_proc_wait(&pidproducer, &sent, &why, APR_WAIT);
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ABTS_INT_EQUAL(tc, APR_CHILD_DONE, rv);
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ABTS_INT_EQUAL(tc, APR_PROC_EXIT, why);
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/* Cleanup before testing that producer and consumer worked correctly.
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* This way, if they didn't succeed, we can just run this test again
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* without having to cleanup manually.
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*/
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APR_ASSERT_SUCCESS(tc, "Error destroying shared memory",
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apr_shm_destroy(shm));
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ABTS_INT_EQUAL(tc, sent, received);
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}
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static void test_named_remove(abts_case *tc, void *data)
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{
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apr_status_t rv;
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apr_shm_t *shm, *shm2;
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apr_shm_remove(SHARED_FILENAME, p);
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rv = apr_shm_create(&shm, SHARED_SIZE, SHARED_FILENAME, p);
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APR_ASSERT_SUCCESS(tc, "Error allocating shared memory block", rv);
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if (rv != APR_SUCCESS) {
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return;
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}
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ABTS_PTR_NOTNULL(tc, shm);
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rv = apr_shm_remove(SHARED_FILENAME, p);
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/* On platforms which acknowledge the removal of the shared resource,
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* ensure another of the same name may be created after removal;
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*/
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if (rv == APR_SUCCESS)
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{
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rv = apr_shm_create(&shm2, SHARED_SIZE, SHARED_FILENAME, p);
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APR_ASSERT_SUCCESS(tc, "Error allocating shared memory block", rv);
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if (rv != APR_SUCCESS) {
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return;
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}
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ABTS_PTR_NOTNULL(tc, shm2);
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rv = apr_shm_destroy(shm2);
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APR_ASSERT_SUCCESS(tc, "Error destroying shared memory block", rv);
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}
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rv = apr_shm_destroy(shm);
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APR_ASSERT_SUCCESS(tc, "Error destroying shared memory block", rv);
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/* Now ensure no named resource remains which we may attach to */
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rv = apr_shm_attach(&shm, SHARED_FILENAME, p);
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ABTS_TRUE(tc, rv != 0);
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}
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static void test_named_delete(abts_case *tc, void *data)
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{
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apr_status_t rv;
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apr_shm_t *shm, *shm2;
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apr_shm_remove(SHARED_FILENAME, p);
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rv = apr_shm_create(&shm, SHARED_SIZE, SHARED_FILENAME, p);
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APR_ASSERT_SUCCESS(tc, "Error allocating shared memory block", rv);
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if (rv != APR_SUCCESS) {
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return;
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}
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ABTS_PTR_NOTNULL(tc, shm);
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rv = apr_shm_delete(shm);
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/* On platforms which acknowledge the removal of the shared resource,
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* ensure another of the same name may be created after removal;
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*/
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if (rv == APR_SUCCESS)
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{
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rv = apr_shm_create(&shm2, SHARED_SIZE, SHARED_FILENAME, p);
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APR_ASSERT_SUCCESS(tc, "Error allocating shared memory block", rv);
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if (rv != APR_SUCCESS) {
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return;
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}
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ABTS_PTR_NOTNULL(tc, shm2);
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rv = apr_shm_destroy(shm2);
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APR_ASSERT_SUCCESS(tc, "Error destroying shared memory block", rv);
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}
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rv = apr_shm_destroy(shm);
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APR_ASSERT_SUCCESS(tc, "Error destroying shared memory block", rv);
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/* Now ensure no named resource remains which we may attach to */
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rv = apr_shm_attach(&shm, SHARED_FILENAME, p);
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ABTS_TRUE(tc, rv != 0);
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}
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#endif
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abts_suite *testshm(abts_suite *suite)
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{
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suite = ADD_SUITE(suite)
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#if APR_HAS_SHARED_MEMORY
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abts_run_test(suite, test_anon_create, NULL);
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abts_run_test(suite, test_check_size, NULL);
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abts_run_test(suite, test_shm_allocate, NULL);
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#if APR_HAS_FORK
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abts_run_test(suite, test_anon, NULL);
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#endif
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abts_run_test(suite, test_named, NULL);
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abts_run_test(suite, test_named_remove, NULL);
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abts_run_test(suite, test_named_delete, NULL);
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#endif
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return suite;
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}
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