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Diffstat (limited to 'src/rcl-time-utils.h')
| -rw-r--r-- | src/rcl-time-utils.h | 111 |
1 files changed, 111 insertions, 0 deletions
diff --git a/src/rcl-time-utils.h b/src/rcl-time-utils.h new file mode 100644 index 0000000..286fc1f --- /dev/null +++ b/src/rcl-time-utils.h @@ -0,0 +1,111 @@ + +/* + * Copyright (C) 2023 Andrey V.Kosteltsev <kx@radix.pro> + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA + * + */ + +#ifndef __RCL_TIME_UTILS_H__ +#define __RCL_TIME_UTILS_H__ + +#include "config.h" + +#include <string.h> +#include <stdint.h> +#include <time.h> +#include <fcntl.h> +#include <linux/rtc.h> +#include <stdio.h> +#include <sys/ioctl.h> +#include <sys/time.h> +#include <sys/timex.h> +#include <sys/types.h> +#include <unistd.h> + +#include <glib.h> +#include <glib-unix.h> +#include <glib/gstdio.h> +#include <glib/gi18n-lib.h> +#include <locale.h> + +#define USEC_INFINITY ((guint64) UINT64_MAX) +#define NSEC_INFINITY ((guint64) UINT64_MAX) + +#define MSEC_PER_SEC 1000ULL +#define USEC_PER_SEC ((guint64) 1000000ULL) +#define USEC_PER_MSEC ((guint64) 1000ULL) +#define NSEC_PER_SEC ((guint64) 1000000000ULL) +#define NSEC_PER_MSEC ((guint64) 1000000ULL) +#define NSEC_PER_USEC ((guint64) 1000ULL) + +#define USEC_PER_MINUTE ((guint64) (60ULL*USEC_PER_SEC)) +#define NSEC_PER_MINUTE ((guint64) (60ULL*NSEC_PER_SEC)) +#define USEC_PER_HOUR ((guint64) (60ULL*USEC_PER_MINUTE)) +#define NSEC_PER_HOUR ((guint64) (60ULL*NSEC_PER_MINUTE)) +#define USEC_PER_DAY ((guint64) (24ULL*USEC_PER_HOUR)) +#define NSEC_PER_DAY ((guint64) (24ULL*NSEC_PER_HOUR)) +#define USEC_PER_WEEK ((guint64) (7ULL*USEC_PER_DAY)) +#define NSEC_PER_WEEK ((guint64) (7ULL*NSEC_PER_DAY)) +#define USEC_PER_MONTH ((guint64) (2629800ULL*USEC_PER_SEC)) +#define NSEC_PER_MONTH ((guint64) (2629800ULL*NSEC_PER_SEC)) +#define USEC_PER_YEAR ((guint64) (31557600ULL*USEC_PER_SEC)) +#define NSEC_PER_YEAR ((guint64) (31557600ULL*NSEC_PER_SEC)) + +#define TIME_T_MAX (time_t)((UINTMAX_C(1) << ((sizeof(time_t) << 3) - 1)) - 1) + + +#define SYSTEM_ZONEINFO_DIR "/usr/share/zoneinfo" + +#define NULL_ADJTIME_UTC "0.0 0 0.0\n0\nUTC\n" +#define NULL_ADJTIME_LOCAL "0.0 0 0.0\n0\nLOCAL\n" + +#if !defined( HWCLOCK_CONF ) +#define HWCLOCK_CONF "/etc/hardwareclock" +#endif + +#if !defined( ADJTIME_CONF ) +#define ADJTIME_CONF "/etc/adjtime" +#endif + + +extern gboolean ntp_synchronized ( void ); + +extern guint64 timespec_load ( const struct timespec *ts ); +extern guint64 timespec_load_nsec ( const struct timespec *ts ); +extern struct timespec *timespec_store ( struct timespec *ts, guint64 u ); +extern struct timespec *timespec_store_nsec ( struct timespec *ts, guint64 n ); +extern guint64 timeval_load ( const struct timeval *tv ); +extern struct timeval *timeval_store ( struct timeval *tv, guint64 u ); +extern guint64 now ( clockid_t clock_id ); +extern guint64 now_nsec ( clockid_t clock_id ); + +extern struct tm *localtime_or_gmtime_r ( const time_t *t, struct tm *tm, gboolean utc ); +extern time_t mktime_or_timegm ( struct tm *tm, gboolean utc ); + +extern gboolean clock_get_hwclock ( struct tm *tm ); +extern gboolean clock_set_hwclock ( const struct tm *tm ); + +extern gboolean clock_set_timezone ( int *ret_minutesdelta ); + +extern gboolean timezone_is_valid ( const gchar *name ); +extern gboolean set_system_timezone ( const gchar *name ); +extern gboolean get_system_timezone ( gchar **ret ); + +extern gboolean write_data_local_rtc ( gboolean local_rtc ); +extern gboolean read_data_local_rtc ( gboolean *local_rtc ); + + +#endif /* __RCL_TIME_UTILS_H__ */ |