/* 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 "testglobalmutex.h" #include "apr_thread_proc.h" #include "apr_global_mutex.h" #include "apr_strings.h" #include "apr_errno.h" #include "testutil.h" static void launch_child(abts_case *tc, apr_lockmech_e mech, apr_proc_t *proc, apr_pool_t *p) { apr_procattr_t *procattr; const char *args[3]; apr_status_t rv; rv = apr_procattr_create(&procattr, p); APR_ASSERT_SUCCESS(tc, "Couldn't create procattr", rv); rv = apr_procattr_io_set(procattr, APR_NO_PIPE, APR_NO_PIPE, APR_NO_PIPE); APR_ASSERT_SUCCESS(tc, "Couldn't set io in procattr", rv); rv = apr_procattr_error_check_set(procattr, 1); APR_ASSERT_SUCCESS(tc, "Couldn't set error check in procattr", rv); args[0] = "globalmutexchild" EXTENSION; args[1] = (const char*)apr_itoa(p, (int)mech); args[2] = NULL; rv = apr_proc_create(proc, TESTBINPATH "globalmutexchild" EXTENSION, args, NULL, procattr, p); APR_ASSERT_SUCCESS(tc, "Couldn't launch program", rv); } static int wait_child(abts_case *tc, apr_proc_t *proc) { int exitcode; apr_exit_why_e why; ABTS_ASSERT(tc, "Error waiting for child process", apr_proc_wait(proc, &exitcode, &why, APR_WAIT) == APR_CHILD_DONE); ABTS_ASSERT(tc, "child didn't terminate normally", why == APR_PROC_EXIT); return exitcode; } /* return symbolic name for a locking meechanism */ static const char *mutexname(apr_lockmech_e mech) { switch (mech) { case APR_LOCK_FCNTL: return "fcntl"; case APR_LOCK_FLOCK: return "flock"; case APR_LOCK_SYSVSEM: return "sysvsem"; case APR_LOCK_PROC_PTHREAD: return "proc_pthread"; case APR_LOCK_POSIXSEM: return "posixsem"; case APR_LOCK_DEFAULT: return "default"; default: return "unknown"; } } static void test_exclusive(abts_case *tc, void *data) { apr_lockmech_e mech = *(apr_lockmech_e *)data; apr_proc_t p1, p2, p3, p4; apr_status_t rv; apr_global_mutex_t *global_lock; int x = 0; abts_log_message("lock mechanism is: "); abts_log_message(mutexname(mech)); rv = apr_global_mutex_create(&global_lock, LOCKNAME, mech, p); APR_ASSERT_SUCCESS(tc, "Error creating mutex", rv); launch_child(tc, mech, &p1, p); launch_child(tc, mech, &p2, p); launch_child(tc, mech, &p3, p); launch_child(tc, mech, &p4, p); x += wait_child(tc, &p1); x += wait_child(tc, &p2); x += wait_child(tc, &p3); x += wait_child(tc, &p4); if (x != MAX_COUNTER) { char buf[200]; sprintf(buf, "global mutex '%s' failed: %d not %d", mutexname(mech), x, MAX_COUNTER); abts_fail(tc, buf, __LINE__); } } abts_suite *testglobalmutex(abts_suite *suite) { apr_lockmech_e mech = APR_LOCK_DEFAULT; suite = ADD_SUITE(suite) abts_run_test(suite, test_exclusive, &mech); #if APR_HAS_POSIXSEM_SERIALIZE mech = APR_LOCK_POSIXSEM; abts_run_test(suite, test_exclusive, &mech); #endif #if APR_HAS_SYSVSEM_SERIALIZE mech = APR_LOCK_SYSVSEM; abts_run_test(suite, test_exclusive, &mech); #endif #if APR_HAS_PROC_PTHREAD_SERIALIZE mech = APR_LOCK_PROC_PTHREAD; abts_run_test(suite, test_exclusive, &mech); #endif #if APR_HAS_FCNTL_SERIALIZE mech = APR_LOCK_FCNTL; abts_run_test(suite, test_exclusive, &mech); #endif #if APR_HAS_FLOCK_SERIALIZE mech = APR_LOCK_FLOCK; abts_run_test(suite, test_exclusive, &mech); #endif return suite; }
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