chrony/rtc_linux.h
Ahmad Fatoum 323a8aedfb rtc: optionally return raw time from RTC_Linux_ReadTime_*
For use with RCL_AddSample in the incoming RTC reference clock driver,
we'll want access not to the cooked timestamps, but to the raw ones.

Otherwise, the core reference clock code complains:

  (valid_sample_time) RTC0 refclock sample time 1721242673.092211891
    not valid age=-3.092007

Support both use cases by have the RTC_Linux_ReadTime_* functions take
two nullable pointers, one for cooked and the other for raw time.
2024-08-20 13:21:43 +02:00

54 lines
2.1 KiB
C

/*
chronyd/chronyc - Programs for keeping computer clocks accurate.
**********************************************************************
* Copyright (C) Richard P. Curnow 1997-2002
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of version 2 of the GNU General Public License as
* published by the Free Software Foundation.
*
* 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 Street, Fifth Floor, Boston, MA 02110-1301, USA.
*
**********************************************************************
======================================================================
*/
#ifndef _GOT_RTC_LINUX_H
#define _GOT_RTC_LINUX_H
#include "reports.h"
extern int RTC_Linux_Initialise(void);
extern void RTC_Linux_Finalise(void);
extern int RTC_Linux_TimePreInit(time_t driftile_time);
extern void RTC_Linux_TimeInit(void (*after_hook)(void *), void *anything);
extern void RTC_Linux_StartMeasurements(void);
/* 0=success, 1=no driver, 2=can't write file */
extern int RTC_Linux_WriteParameters(void);
extern int RTC_Linux_GetReport(RPT_RTC_Report *report);
extern int RTC_Linux_Trim(void);
extern void RTC_Linux_CycleLogFile(void);
extern int RTC_Linux_SwitchInterrupt(int fd, int on_off);
extern int RTC_Linux_CheckInterrupt(int fd);
extern time_t RTC_Linux_ReadTime_AfterInterrupt(int fd, int utc,
struct timespec *sys_time_cooked,
struct timespec *sys_time_raw);
extern time_t RTC_Linux_ReadTime_Now(int fd, int utc,
struct timespec *sys_time_cooked,
struct timespec *sys_time_raw);
#endif /* _GOT_RTC_LINUX_H */