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138 lines
4 KiB
C
138 lines
4 KiB
C
/****************************************************************************
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* apps/testing/testsuites/kernel/time/cases/clock_test_timer03.c
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*
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* 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. The
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* ASF licenses this file to you under the Apache License, Version 2.0 (the
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* "License"); you may not use this file except in compliance with the
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* 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, WITHOUT
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* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
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* License for the specific language governing permissions and limitations
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* under the License.
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*
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****************************************************************************/
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/****************************************************************************
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* Included Files
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****************************************************************************/
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#include <nuttx/config.h>
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#include <stdio.h>
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#include <sys/stat.h>
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#include <dirent.h>
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#include <unistd.h>
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#include <fcntl.h>
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#include <stdint.h>
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#include <stdarg.h>
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#include <stddef.h>
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#include <setjmp.h>
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#include <cmocka.h>
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#include <syslog.h>
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#include <errno.h>
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#include <stdlib.h>
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#include <inttypes.h>
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#include "TimeTest.h"
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/****************************************************************************
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* Pre-processor Definitions
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****************************************************************************/
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#define SIG SIGALRM
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#define CLOCKID CLOCK_REALTIME
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/****************************************************************************
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* Public Functions
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****************************************************************************/
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/****************************************************************************
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* Name: test_nuttx_clock_test_timer03
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****************************************************************************/
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void test_nuttx_clock_test_timer03(FAR void **state)
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{
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int ret = 0;
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int sig = 0;
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int failed = 0;
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timer_t timerid;
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sigset_t set;
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sigset_t old_set;
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struct sigevent sev;
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ret = sigemptyset(&set);
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assert_int_equal(ret, 0);
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ret = sigaddset(&set, SIG);
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assert_int_equal(ret, 0);
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ret = sigprocmask(SIG_BLOCK, &set, &old_set);
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assert_int_equal(ret, 0);
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/* Create the timer */
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sev.sigev_notify = SIGEV_SIGNAL;
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sev.sigev_signo = SIG;
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sev.sigev_value.sival_ptr = &timerid;
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ret = timer_create(CLOCKID, &sev, &timerid);
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syslog(LOG_INFO, "timer_create %p: %d", timerid, ret);
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assert_int_equal(ret, 0);
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struct timespec testcases[] = {
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{0, 30000000},
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{1, 0},
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{1, 5000},
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};
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struct timespec zero = {
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0,
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0,
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};
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for (int i = 0; i < sizeof(testcases) / sizeof(testcases[0]); ++i)
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{
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struct timespec start;
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struct timespec end;
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struct itimerspec its;
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int64_t expected;
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int64_t escaped;
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its.it_interval = zero;
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its.it_value = testcases[i];
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ret = clock_gettime(CLOCKID, &start);
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assert_int_equal(ret, 0);
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ret = timer_settime(timerid, 0, &its, NULL);
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assert_int_equal(ret, 0);
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ret = sigwait(&set, &sig);
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assert_int_equal(ret, 0);
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ret = clock_gettime(CLOCKID, &end);
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assert_int_equal(ret, 0);
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expected = its.it_value.tv_sec * (int64_t)(1e9) + its.it_value.tv_nsec;
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escaped = end.tv_sec * (int64_t)(1e9) + end.tv_nsec -
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start.tv_sec * (int64_t)(1e9) - start.tv_nsec;
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/* 20000000, 2 ticks. */
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failed += (escaped < expected || (escaped - expected) >= 20000000);
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syslog(LOG_INFO,
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"expected = %" PRId64 " escaped = %" PRId64 " failed = %d",
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expected, escaped, failed);
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}
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ret = timer_delete(timerid);
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assert_int_equal(ret, 0);
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ret = sigprocmask(SIG_SETMASK, &old_set, NULL);
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assert_int_equal(ret, 0);
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assert_int_equal(failed, 0);
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}
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