f282856c72
It was never used for anything and messages in debug output already include filenames, which can be easily grepped if there is a need to see log messages only from a particular file.
109 lines
2.6 KiB
C
109 lines
2.6 KiB
C
/*
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chronyd/chronyc - Programs for keeping computer clocks accurate.
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**********************************************************************
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* Copyright (C) Miroslav Lichvar 2013, 2017
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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 version 2 of the GNU General Public License as
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* published by the Free Software Foundation.
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*
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* This program is distributed in the hope that it will be useful, but
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* WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License along
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* with this program; if not, write to the Free Software Foundation, Inc.,
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* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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*
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**********************************************************************
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=======================================================================
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PTP hardware clock (PHC) refclock driver.
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*/
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#include "config.h"
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#include "refclock.h"
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#ifdef FEAT_PHC
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#include "sysincl.h"
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#include "refclock.h"
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#include "logging.h"
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#include "memory.h"
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#include "util.h"
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#include "sys_linux.h"
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struct phc_instance {
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int fd;
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int mode;
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int nocrossts;
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};
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static int phc_initialise(RCL_Instance instance)
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{
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struct phc_instance *phc;
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int phc_fd;
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char *path;
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path = RCL_GetDriverParameter(instance);
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phc_fd = SYS_Linux_OpenPHC(path, 0);
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if (phc_fd < 0) {
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LOG_FATAL("Could not open PHC");
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return 0;
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}
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phc = MallocNew(struct phc_instance);
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phc->fd = phc_fd;
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phc->mode = 0;
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phc->nocrossts = RCL_GetDriverOption(instance, "nocrossts") ? 1 : 0;
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RCL_SetDriverData(instance, phc);
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return 1;
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}
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static void phc_finalise(RCL_Instance instance)
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{
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struct phc_instance *phc;
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phc = (struct phc_instance *)RCL_GetDriverData(instance);
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close(phc->fd);
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Free(phc);
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}
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static int phc_poll(RCL_Instance instance)
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{
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struct phc_instance *phc;
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struct timespec phc_ts, sys_ts;
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double offset, err;
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phc = (struct phc_instance *)RCL_GetDriverData(instance);
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if (!SYS_Linux_GetPHCSample(phc->fd, phc->nocrossts, RCL_GetPrecision(instance),
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&phc->mode, &phc_ts, &sys_ts, &err))
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return 0;
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offset = UTI_DiffTimespecsToDouble(&phc_ts, &sys_ts);
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DEBUG_LOG("PHC offset: %+.9f err: %.9f", offset, err);
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return RCL_AddSample(instance, &sys_ts, offset, LEAP_Normal);
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}
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RefclockDriver RCL_PHC_driver = {
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phc_initialise,
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phc_finalise,
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phc_poll
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};
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#else
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RefclockDriver RCL_PHC_driver = { NULL, NULL, NULL };
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#endif
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