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/* 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;
}