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/*----------------------------------------------------------------------------*/
/* */
/* Copyright (c) 1995, 2004 IBM Corporation. All rights reserved. */
/* Copyright (c) 2005-2009 Rexx Language Association. All rights reserved. */
/* */
/* This program and the accompanying materials are made available under */
/* the terms of the Common Public License v1.0 which accompanies this */
/* distribution. A copy is also available at the following address: */
/* http://www.oorexx.org/license.html */
/* */
/* Redistribution and use in source and binary forms, with or */
/* without modification, are permitted provided that the following */
/* conditions are met: */
/* */
/* Redistributions of source code must retain the above copyright */
/* notice, this list of conditions and the following disclaimer. */
/* Redistributions in binary form must reproduce the above copyright */
/* notice, this list of conditions and the following disclaimer in */
/* the documentation and/or other materials provided with the distribution. */
/* */
/* Neither the name of Rexx Language Association nor the names */
/* of its contributors may be used to endorse or promote products */
/* derived from this software without specific prior written permission. */
/* */
/* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS */
/* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT */
/* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS */
/* FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT */
/* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, */
/* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED */
/* TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, */
/* OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY */
/* OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING */
/* NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS */
/* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. */
/* */
/*----------------------------------------------------------------------------*/
#ifdef HAVE_CONFIG_H
# include "config.h"
#endif
#include <pthread.h>
#if defined(OPSYS_SUN)
#include <sched.h>
#endif
#include "RexxCore.h"
#include "IntegerClass.hpp"
#include "RexxDateTime.hpp"
#include "SystemInterpreter.hpp"
#ifdef AIX
#include <time.h>
#else
#include <sys/time.h>
#endif
void SystemInterpreter::getCurrentTime(RexxDateTime *Date )
{
struct tm *SystemDate; /* system date structure ptr */
struct timeval tv;
gettimeofday(&tv, NULL);
#ifdef AIX
struct tm SD; /* system date area */
SystemDate = localtime_r((time_t *)&tv.tv_sec, &SD);
#else
SystemDate = localtime((time_t *)&tv.tv_sec); /* convert */
#endif
Date->hours = SystemDate->tm_hour;
Date->minutes = SystemDate->tm_min;
Date->seconds = SystemDate->tm_sec;
Date->microseconds = tv.tv_usec;
Date->day = SystemDate->tm_mday;
Date->month = ++SystemDate->tm_mon;
Date->year = SystemDate->tm_year + 1900;
struct tm *GMTDate; /* system date structure ptr */
#ifdef AIX
struct tm GD; /* system date area */
GMTDate = gmtime_r((time_t *)&tv.tv_sec, &GD);
#else
GMTDate = gmtime((time_t *)&tv.tv_sec);
#endif
// in microseconds
Date->timeZoneOffset = ((int64_t)(tv.tv_sec - mktime(GMTDate))) * 1000000UL;
}
/*********************************************************************/
/* */
/* Subroutine Name: alarm_starTimer */
/* */
/* Function: starts an asynchronous, single_interval */
/* timer thread. When the timer pops, it will */
/* post an event semaphore. */
/* */
/* Arguments: alarm timer - time interval before the event */
/* semaphore is posted */
/*********************************************************************/
RexxMethod2(int, alarm_startTimer,
wholenumber_t, numdays,
wholenumber_t, alarmtime)
{
SysSemaphore sem; /* Event-semaphore */
int msecInADay = 86400000; /* number of milliseconds in a day */
/* set the state variables */
context->SetObjectVariable("EVENTSEMHANDLE", context->NewPointer(&sem));
context->SetObjectVariable("TIMERSTARTED", context->True());
while (numdays > 0)
{ /* is it some future day? */
// use the semaphore to wait for an entire day.
// if this returns true, then this was not a timeout, which
// probably means this was cancelled.
if (sem.wait(msecInADay))
{
/* Check if the alarm is canceled. */
RexxObjectPtr cancelObj = context->GetObjectVariable("CANCELED");
if (cancelObj == context->True())
{
return 0;
}
else
{
sem.reset(); /* Reset the event semaphore */
}
}
numdays--; /* Decrement number of days */
}
// now we can just wait for the alarm time to expire
sem.wait(alarmtime);
return 0;
}
/*********************************************************************/
/* */
/* Subroutine Name: alarm_stopTimer */
/* */
/* Function: stops an asynchronous timer. */
/* */
/* Arguments: timer - timer handle */
/* eventSemHandle - event semaphore handle */
/* shared between start & stop timer */
/*********************************************************************/
RexxMethod1(int, alarm_stopTimer, POINTER, eventSemHandle)
{
SysSemaphore *sev = (SysSemaphore *)eventSemHandle; /* event semaphore handle */
sev->post(); /* Post the event semaphore */
return 0;
}