Andrew Johnson
119 lines
3.1 KiB
C++
119 lines
3.1 KiB
C++
/*************************************************************************\
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* Copyright (c) 2002 The University of Chicago, as Operator of Argonne
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* National Laboratory.
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* Copyright (c) 2002 The Regents of the University of California, as
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* Operator of Los Alamos National Laboratory.
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* EPICS BASE Versions 3.13.7
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* and higher are distributed subject to a Software License Agreement found
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* in file LICENSE that is included with this distribution.
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\*************************************************************************/
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//
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// should move the gettimeofday() proto
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// into a different header
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//
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#include <stddef.h>
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#include <stdlib.h>
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#include <stdio.h>
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#include <string.h>
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#include "osiSock.h"
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#include "cantProceed.h"
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#define epicsExportSharedSymbols
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#include "epicsTime.h"
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#include "generalTimeSup.h"
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//
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// epicsTime::osdGetCurrent ()
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//
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extern "C" epicsShareFunc int epicsShareAPI osdTimeGetCurrent (epicsTimeStamp *pDest)
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{
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# ifdef CLOCK_REALTIME
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struct timespec ts;
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int status;
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status = clock_gettime (CLOCK_REALTIME, &ts);
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if (status) {
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return epicsTimeERROR;
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}
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*pDest = epicsTime (ts);
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return epicsTimeOK;
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# else
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int status;
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struct timeval tv;
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struct timezone tz;
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status = gettimeofday (&tv, &tz);
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if (status) {
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return epicsTimeERROR;
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}
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*pDest = epicsTime (tv);
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return epicsTimeOK;
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# endif
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}
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extern "C" epicsShareFunc int epicsShareAPI osdTimeInit(void)
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{
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return generalTimeCurrentTpRegister("posix Time", 100, osdTimeGetCurrent);
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}
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int epicsTime_gmtime ( const time_t *pAnsiTime, // X aCC 361
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struct tm *pTM )
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{
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struct tm * pRet = gmtime_r ( pAnsiTime, pTM );
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if ( pRet ) {
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return epicsTimeOK;
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}
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else {
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return epicsTimeERROR;
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}
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}
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int epicsTime_localtime ( const time_t *clock, // X aCC 361
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struct tm *result )
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{
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struct tm * pRet = localtime_r ( clock, result );
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if ( pRet ) {
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return epicsTimeOK;
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}
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else {
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return epicsTimeERROR;
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}
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}
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extern "C" epicsShareFunc void epicsShareAPI
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convertDoubleToWakeTime(double timeout,struct timespec *wakeTime)
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{
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struct timespec wait;
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int status;
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if(timeout<0.0) timeout = 0.0;
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else if(timeout>3600.0) timeout = 3600.0;
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# ifdef CLOCK_REALTIME
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status = clock_gettime(CLOCK_REALTIME,wakeTime);
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# else
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{
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struct timeval tv;
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struct timezone tz;
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status = gettimeofday(&tv, &tz);
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wakeTime->tv_sec = tv.tv_sec;
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wakeTime->tv_nsec = tv.tv_usec * 1000;
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}
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# endif
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if(status) {
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printf("clock_gettime failed with error %s\n",strerror(errno));
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cantProceed("convertDoubleToWakeTime");
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}
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wait.tv_sec = static_cast < long > ( timeout );
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wait.tv_nsec = static_cast < long > ( (timeout - (double)wait.tv_sec) * 1e9 );
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wakeTime->tv_sec += wait.tv_sec;
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wakeTime->tv_nsec += wait.tv_nsec;
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if(wakeTime->tv_nsec>=1000000000L) {
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wakeTime->tv_nsec -= 1000000000L;
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++wakeTime->tv_sec;
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}
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}
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