mirror of https://gerrit.osmocom.org/libosmocore
86 lines
2.6 KiB
C
86 lines
2.6 KiB
C
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/*
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* (C) 2008 by Holger Hans Peter Freyther <zecke@selfish.org>
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* (C) 2011 by Harald Welte <laforge@gnumonks.org>
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* All Rights Reserved
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*
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* Authors: Holger Hans Peter Freyther <zecke@selfish.org>
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* Pablo Neira Ayuso <pablo@gnumonks.org>
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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*/
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#include <stdio.h>
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#include <stdlib.h>
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#include <unistd.h>
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#include <string.h>
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#include <osmocom/core/talloc.h>
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#include <osmocom/core/timer.h>
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#include <osmocom/core/select.h>
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#include <osmocom/core/linuxlist.h>
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#include <osmocom/core/timer_compat.h>
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int main(int argc, char *argv[])
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{
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struct timespec ts1 = { 123, 456 }, ts2 = {1, 200};
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struct timespec read1, read2, res;
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struct timespec *mono;
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osmo_clock_gettime(CLOCK_BOOTTIME, &read1);
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usleep(500);
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osmo_clock_gettime(CLOCK_BOOTTIME, &read2);
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if (!timespeccmp(&read2, &read1, >))
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return EXIT_FAILURE;
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printf("Non implemented clocks work fine\n");
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osmo_clock_gettime(CLOCK_MONOTONIC, &read1);
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usleep(500);
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osmo_clock_gettime(CLOCK_MONOTONIC, &read2);
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if (!timespeccmp(&read2, &read1, >))
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return EXIT_FAILURE;
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printf("Monotonic clock is working fine by default\n");
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osmo_clock_override_enable(CLOCK_MONOTONIC, true);
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printf("Monotonic clock override enabled\n");
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mono = osmo_clock_override_gettimespec(CLOCK_MONOTONIC);
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if (timespecisset(mono))
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return EXIT_FAILURE;
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printf("Monotonic override is cleared by default\n");
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memcpy(mono, &ts1, sizeof(struct timespec));
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osmo_clock_gettime(CLOCK_MONOTONIC, &read1);
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if (!timespeccmp(&ts1, &read1, ==))
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return EXIT_FAILURE;
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printf("Monotonic clock can be overriden\n");
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osmo_clock_override_add(CLOCK_MONOTONIC, ts2.tv_sec, ts2.tv_nsec);
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osmo_clock_gettime(CLOCK_MONOTONIC, &read1);
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timespecadd(&ts2, &ts1, &res);
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if (!timespeccmp(&res, &read1, ==))
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return EXIT_FAILURE;
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printf("osmo_clock_override_add works fine.\n");
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osmo_clock_override_enable(CLOCK_MONOTONIC, false);
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printf("Monotonic clock override disabled\n");
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osmo_clock_gettime(CLOCK_MONOTONIC, &read1);
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usleep(500);
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osmo_clock_gettime(CLOCK_MONOTONIC, &read2);
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if (!timespeccmp(&read2, &read1, >))
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return EXIT_FAILURE;
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printf("Monotonic clock is working fine after enable+disable.\n");
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return 0;
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}
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