Livox-SDK
537 lines
14 KiB
C
537 lines
14 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_strings.h"
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#include "apr_thread_proc.h"
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#include "apr_errno.h"
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#include "apr_general.h"
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#include "apr_atomic.h"
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#include "apr_time.h"
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/* Use pthread_setconcurrency where it is available and not a nullop,
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* i.e. platforms using M:N or M:1 thread models: */
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#if APR_HAS_THREADS && \
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((defined(SOLARIS2) && SOLARIS2 > 6) || defined(_AIX))
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/* also HP-UX, IRIX? ... */
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#define HAVE_PTHREAD_SETCONCURRENCY
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#endif
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#ifdef HAVE_PTHREAD_SETCONCURRENCY
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#include <pthread.h>
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#endif
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static void test_init(abts_case *tc, void *data)
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{
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APR_ASSERT_SUCCESS(tc, "Could not initliaze atomics", apr_atomic_init(p));
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}
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static void test_set32(abts_case *tc, void *data)
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{
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apr_uint32_t y32;
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apr_atomic_set32(&y32, 2);
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ABTS_INT_EQUAL(tc, 2, y32);
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}
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static void test_read32(abts_case *tc, void *data)
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{
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apr_uint32_t y32;
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apr_atomic_set32(&y32, 2);
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ABTS_INT_EQUAL(tc, 2, apr_atomic_read32(&y32));
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}
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static void test_dec32(abts_case *tc, void *data)
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{
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apr_uint32_t y32;
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int rv;
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apr_atomic_set32(&y32, 2);
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rv = apr_atomic_dec32(&y32);
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ABTS_INT_EQUAL(tc, 1, y32);
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ABTS_ASSERT(tc, "atomic_dec returned zero when it shouldn't", rv != 0);
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rv = apr_atomic_dec32(&y32);
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ABTS_INT_EQUAL(tc, 0, y32);
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ABTS_ASSERT(tc, "atomic_dec didn't returned zero when it should", rv == 0);
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}
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static void test_xchg32(abts_case *tc, void *data)
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{
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apr_uint32_t oldval;
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apr_uint32_t y32;
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apr_atomic_set32(&y32, 100);
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oldval = apr_atomic_xchg32(&y32, 50);
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ABTS_INT_EQUAL(tc, 100, oldval);
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ABTS_INT_EQUAL(tc, 50, y32);
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}
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static void test_xchgptr(abts_case *tc, void *data)
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{
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int a;
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void *ref = "little piggy";
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volatile void *target_ptr = ref;
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void *old_ptr;
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old_ptr = apr_atomic_xchgptr(&target_ptr, &a);
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ABTS_PTR_EQUAL(tc, ref, old_ptr);
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ABTS_PTR_EQUAL(tc, &a, (void *) target_ptr);
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}
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static void test_cas_equal(abts_case *tc, void *data)
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{
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apr_uint32_t casval = 0;
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apr_uint32_t oldval;
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oldval = apr_atomic_cas32(&casval, 12, 0);
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ABTS_INT_EQUAL(tc, 0, oldval);
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ABTS_INT_EQUAL(tc, 12, casval);
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}
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static void test_cas_equal_nonnull(abts_case *tc, void *data)
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{
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apr_uint32_t casval = 12;
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apr_uint32_t oldval;
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oldval = apr_atomic_cas32(&casval, 23, 12);
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ABTS_INT_EQUAL(tc, 12, oldval);
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ABTS_INT_EQUAL(tc, 23, casval);
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}
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static void test_cas_notequal(abts_case *tc, void *data)
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{
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apr_uint32_t casval = 12;
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apr_uint32_t oldval;
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oldval = apr_atomic_cas32(&casval, 23, 2);
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ABTS_INT_EQUAL(tc, 12, oldval);
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ABTS_INT_EQUAL(tc, 12, casval);
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}
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static void test_casptr_equal(abts_case *tc, void *data)
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{
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int a;
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volatile void *target_ptr = NULL;
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void *old_ptr;
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old_ptr = apr_atomic_casptr(&target_ptr, &a, NULL);
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ABTS_PTR_EQUAL(tc, NULL, old_ptr);
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ABTS_PTR_EQUAL(tc, &a, (void *) target_ptr);
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}
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static void test_casptr_equal_nonnull(abts_case *tc, void *data)
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{
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int a, b;
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volatile void *target_ptr = &a;
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void *old_ptr;
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old_ptr = apr_atomic_casptr(&target_ptr, &b, &a);
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ABTS_PTR_EQUAL(tc, &a, old_ptr);
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ABTS_PTR_EQUAL(tc, &b, (void *) target_ptr);
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}
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static void test_casptr_notequal(abts_case *tc, void *data)
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{
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int a, b;
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volatile void *target_ptr = &a;
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void *old_ptr;
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old_ptr = apr_atomic_casptr(&target_ptr, &a, &b);
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ABTS_PTR_EQUAL(tc, &a, old_ptr);
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ABTS_PTR_EQUAL(tc, &a, (void *) target_ptr);
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}
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static void test_add32(abts_case *tc, void *data)
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{
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apr_uint32_t oldval;
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apr_uint32_t y32;
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apr_atomic_set32(&y32, 23);
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oldval = apr_atomic_add32(&y32, 4);
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ABTS_INT_EQUAL(tc, 23, oldval);
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ABTS_INT_EQUAL(tc, 27, y32);
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}
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static void test_add32_neg(abts_case *tc, void *data)
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{
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apr_uint32_t oldval;
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apr_uint32_t y32;
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apr_atomic_set32(&y32, 23);
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oldval = apr_atomic_add32(&y32, -10);
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ABTS_INT_EQUAL(tc, 23, oldval);
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ABTS_INT_EQUAL(tc, 13, y32);
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}
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static void test_inc32(abts_case *tc, void *data)
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{
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apr_uint32_t oldval;
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apr_uint32_t y32;
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apr_atomic_set32(&y32, 23);
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oldval = apr_atomic_inc32(&y32);
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ABTS_INT_EQUAL(tc, 23, oldval);
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ABTS_INT_EQUAL(tc, 24, y32);
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}
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static void test_set_add_inc_sub(abts_case *tc, void *data)
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{
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apr_uint32_t y32;
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apr_atomic_set32(&y32, 0);
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apr_atomic_add32(&y32, 20);
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apr_atomic_inc32(&y32);
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apr_atomic_sub32(&y32, 10);
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ABTS_INT_EQUAL(tc, 11, y32);
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}
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static void test_wrap_zero(abts_case *tc, void *data)
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{
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apr_uint32_t y32;
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apr_uint32_t rv;
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apr_uint32_t minus1 = (apr_uint32_t)-1;
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char *str;
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apr_atomic_set32(&y32, 0);
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rv = apr_atomic_dec32(&y32);
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ABTS_ASSERT(tc, "apr_atomic_dec32 on zero returned zero.", rv != 0);
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str = apr_psprintf(p, "zero wrap failed: 0 - 1 = %d", y32);
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ABTS_ASSERT(tc, str, y32 == minus1);
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}
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static void test_inc_neg1(abts_case *tc, void *data)
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{
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apr_uint32_t y32 = (apr_uint32_t)-1;
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apr_uint32_t minus1 = (apr_uint32_t)-1;
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apr_uint32_t rv;
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char *str;
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rv = apr_atomic_inc32(&y32);
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ABTS_ASSERT(tc, "apr_atomic_inc32 didn't return the old value.", rv == minus1);
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str = apr_psprintf(p, "zero wrap failed: -1 + 1 = %d", y32);
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ABTS_ASSERT(tc, str, y32 == 0);
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}
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#if APR_HAS_THREADS
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void *APR_THREAD_FUNC thread_func_mutex(apr_thread_t *thd, void *data);
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void *APR_THREAD_FUNC thread_func_atomic(apr_thread_t *thd, void *data);
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apr_thread_mutex_t *thread_lock;
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volatile apr_uint32_t mutex_locks = 0;
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volatile apr_uint32_t atomic_ops = 0;
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apr_status_t exit_ret_val = 123; /* just some made up number to check on later */
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#define NUM_THREADS 40
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#define NUM_ITERATIONS 20000
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void *APR_THREAD_FUNC thread_func_mutex(apr_thread_t *thd, void *data)
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{
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int i;
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for (i = 0; i < NUM_ITERATIONS; i++) {
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apr_thread_mutex_lock(thread_lock);
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mutex_locks++;
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apr_thread_mutex_unlock(thread_lock);
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}
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apr_thread_exit(thd, exit_ret_val);
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return NULL;
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}
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void *APR_THREAD_FUNC thread_func_atomic(apr_thread_t *thd, void *data)
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{
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int i;
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for (i = 0; i < NUM_ITERATIONS ; i++) {
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apr_atomic_inc32(&atomic_ops);
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apr_atomic_add32(&atomic_ops, 2);
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apr_atomic_dec32(&atomic_ops);
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apr_atomic_dec32(&atomic_ops);
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}
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apr_thread_exit(thd, exit_ret_val);
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return NULL;
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}
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static void test_atomics_threaded(abts_case *tc, void *data)
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{
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apr_thread_t *t1[NUM_THREADS];
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apr_thread_t *t2[NUM_THREADS];
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apr_status_t rv;
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int i;
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#ifdef HAVE_PTHREAD_SETCONCURRENCY
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pthread_setconcurrency(8);
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#endif
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rv = apr_thread_mutex_create(&thread_lock, APR_THREAD_MUTEX_DEFAULT, p);
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APR_ASSERT_SUCCESS(tc, "Could not create lock", rv);
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for (i = 0; i < NUM_THREADS; i++) {
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apr_status_t r1, r2;
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r1 = apr_thread_create(&t1[i], NULL, thread_func_mutex, NULL, p);
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r2 = apr_thread_create(&t2[i], NULL, thread_func_atomic, NULL, p);
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ABTS_ASSERT(tc, "Failed creating threads", !r1 && !r2);
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}
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for (i = 0; i < NUM_THREADS; i++) {
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apr_status_t s1, s2;
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apr_thread_join(&s1, t1[i]);
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apr_thread_join(&s2, t2[i]);
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ABTS_ASSERT(tc, "Invalid return value from thread_join",
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s1 == exit_ret_val && s2 == exit_ret_val);
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}
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ABTS_INT_EQUAL(tc, NUM_THREADS * NUM_ITERATIONS, mutex_locks);
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ABTS_INT_EQUAL(tc, NUM_THREADS * NUM_ITERATIONS,
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apr_atomic_read32(&atomic_ops));
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rv = apr_thread_mutex_destroy(thread_lock);
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ABTS_ASSERT(tc, "Failed creating threads", rv == APR_SUCCESS);
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}
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#undef NUM_THREADS
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#define NUM_THREADS 7
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typedef struct tbox_t tbox_t;
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struct tbox_t {
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abts_case *tc;
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apr_uint32_t *mem;
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apr_uint32_t preval;
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apr_uint32_t postval;
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apr_uint32_t loop;
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void (*func)(tbox_t *box);
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};
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static APR_INLINE void busyloop_read32(tbox_t *tbox)
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{
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apr_uint32_t val;
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do {
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val = apr_atomic_read32(tbox->mem);
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if (val != tbox->preval)
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apr_thread_yield();
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else
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break;
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} while (1);
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}
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static void busyloop_set32(tbox_t *tbox)
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{
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do {
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busyloop_read32(tbox);
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apr_atomic_set32(tbox->mem, tbox->postval);
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} while (--tbox->loop);
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}
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static void busyloop_add32(tbox_t *tbox)
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{
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apr_uint32_t val;
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do {
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busyloop_read32(tbox);
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val = apr_atomic_add32(tbox->mem, tbox->postval);
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apr_thread_mutex_lock(thread_lock);
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ABTS_INT_EQUAL(tbox->tc, val, tbox->preval);
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apr_thread_mutex_unlock(thread_lock);
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} while (--tbox->loop);
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}
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static void busyloop_sub32(tbox_t *tbox)
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{
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do {
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busyloop_read32(tbox);
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apr_atomic_sub32(tbox->mem, tbox->postval);
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} while (--tbox->loop);
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}
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static void busyloop_inc32(tbox_t *tbox)
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{
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apr_uint32_t val;
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do {
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busyloop_read32(tbox);
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val = apr_atomic_inc32(tbox->mem);
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apr_thread_mutex_lock(thread_lock);
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ABTS_INT_EQUAL(tbox->tc, val, tbox->preval);
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apr_thread_mutex_unlock(thread_lock);
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} while (--tbox->loop);
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}
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static void busyloop_dec32(tbox_t *tbox)
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{
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apr_uint32_t val;
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do {
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busyloop_read32(tbox);
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val = apr_atomic_dec32(tbox->mem);
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apr_thread_mutex_lock(thread_lock);
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ABTS_INT_NEQUAL(tbox->tc, 0, val);
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apr_thread_mutex_unlock(thread_lock);
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} while (--tbox->loop);
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}
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static void busyloop_cas32(tbox_t *tbox)
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{
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apr_uint32_t val;
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do {
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do {
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val = apr_atomic_cas32(tbox->mem, tbox->postval, tbox->preval);
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if (val != tbox->preval)
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apr_thread_yield();
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else
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break;
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} while (1);
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} while (--tbox->loop);
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}
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static void busyloop_xchg32(tbox_t *tbox)
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{
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apr_uint32_t val;
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do {
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busyloop_read32(tbox);
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val = apr_atomic_xchg32(tbox->mem, tbox->postval);
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apr_thread_mutex_lock(thread_lock);
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ABTS_INT_EQUAL(tbox->tc, val, tbox->preval);
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apr_thread_mutex_unlock(thread_lock);
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} while (--tbox->loop);
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}
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static void *APR_THREAD_FUNC thread_func_busyloop(apr_thread_t *thd, void *data)
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{
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tbox_t *tbox = data;
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tbox->func(tbox);
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apr_thread_exit(thd, 0);
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return NULL;
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}
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static void test_atomics_busyloop_threaded(abts_case *tc, void *data)
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{
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unsigned int i;
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apr_status_t rv;
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apr_uint32_t count = 0;
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tbox_t tbox[NUM_THREADS];
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apr_thread_t *thread[NUM_THREADS];
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rv = apr_thread_mutex_create(&thread_lock, APR_THREAD_MUTEX_DEFAULT, p);
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APR_ASSERT_SUCCESS(tc, "Could not create lock", rv);
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/* get ready */
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for (i = 0; i < NUM_THREADS; i++) {
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tbox[i].tc = tc;
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tbox[i].mem = &count;
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tbox[i].loop = 50;
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}
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tbox[0].preval = 98;
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tbox[0].postval = 3891;
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tbox[0].func = busyloop_add32;
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tbox[1].preval = 3989;
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tbox[1].postval = 1010;
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tbox[1].func = busyloop_sub32;
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tbox[2].preval = 2979;
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tbox[2].postval = 0; /* not used */
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tbox[2].func = busyloop_inc32;
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tbox[3].preval = 2980;
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tbox[3].postval = 16384;
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tbox[3].func = busyloop_set32;
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tbox[4].preval = 16384;
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tbox[4].postval = 0; /* not used */
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tbox[4].func = busyloop_dec32;
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tbox[5].preval = 16383;
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tbox[5].postval = 1048576;
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tbox[5].func = busyloop_cas32;
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tbox[6].preval = 1048576;
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tbox[6].postval = 98; /* goto tbox[0] */
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tbox[6].func = busyloop_xchg32;
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/* get set */
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for (i = 0; i < NUM_THREADS; i++) {
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rv = apr_thread_create(&thread[i], NULL, thread_func_busyloop,
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&tbox[i], p);
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ABTS_ASSERT(tc, "Failed creating thread", rv == APR_SUCCESS);
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}
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/* go! */
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apr_atomic_set32(tbox->mem, 98);
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for (i = 0; i < NUM_THREADS; i++) {
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apr_status_t retval;
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rv = apr_thread_join(&retval, thread[i]);
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ABTS_ASSERT(tc, "Thread join failed", rv == APR_SUCCESS);
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ABTS_ASSERT(tc, "Invalid return value from thread_join", retval == 0);
|
|
}
|
|
|
|
ABTS_INT_EQUAL(tbox->tc, 98, count);
|
|
|
|
rv = apr_thread_mutex_destroy(thread_lock);
|
|
ABTS_ASSERT(tc, "Failed creating threads", rv == APR_SUCCESS);
|
|
}
|
|
|
|
#endif /* !APR_HAS_THREADS */
|
|
|
|
abts_suite *testatomic(abts_suite *suite)
|
|
{
|
|
suite = ADD_SUITE(suite)
|
|
|
|
abts_run_test(suite, test_init, NULL);
|
|
abts_run_test(suite, test_set32, NULL);
|
|
abts_run_test(suite, test_read32, NULL);
|
|
abts_run_test(suite, test_dec32, NULL);
|
|
abts_run_test(suite, test_xchg32, NULL);
|
|
abts_run_test(suite, test_xchgptr, NULL);
|
|
abts_run_test(suite, test_cas_equal, NULL);
|
|
abts_run_test(suite, test_cas_equal_nonnull, NULL);
|
|
abts_run_test(suite, test_cas_notequal, NULL);
|
|
abts_run_test(suite, test_casptr_equal, NULL);
|
|
abts_run_test(suite, test_casptr_equal_nonnull, NULL);
|
|
abts_run_test(suite, test_casptr_notequal, NULL);
|
|
abts_run_test(suite, test_add32, NULL);
|
|
abts_run_test(suite, test_add32_neg, NULL);
|
|
abts_run_test(suite, test_inc32, NULL);
|
|
abts_run_test(suite, test_set_add_inc_sub, NULL);
|
|
abts_run_test(suite, test_wrap_zero, NULL);
|
|
abts_run_test(suite, test_inc_neg1, NULL);
|
|
|
|
#if APR_HAS_THREADS
|
|
abts_run_test(suite, test_atomics_threaded, NULL);
|
|
abts_run_test(suite, test_atomics_busyloop_threaded, NULL);
|
|
#endif
|
|
|
|
return suite;
|
|
}
|
|
|