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// ---------------------------------------------------------------------------------
//
// Copyright (C) 2003-2018 Fons Adriaensen <fons@kokkinizita.net>
// Copyright (C) 2008 Hans Fugal <hans@fugal.net> (OSX version)
//
// 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, see <http:#www.gnu.org/licenses/>.
//
// ---------------------------------------------------------------------------------
#ifdef __APPLE__
#include <sys/time.h>
#endif
#include "clthreads.h"
ITC_ctrl::ITC_ctrl (void) : _mptr (0)
{
for (int i = 0; i < N_OP; i++)
{
_dest [i] = 0;
_ipid [i] = 0;
}
for (int i = 0; i < N_EC; i++) _ecnt [i] = 0;
_time.tv_sec = 0;
_time.tv_nsec = 0;
}
ITC_ctrl::~ITC_ctrl (void)
{
}
void ITC_ctrl::set_time (const timespec *v)
{
if (v)
{
_time.tv_sec = v->tv_sec;
_time.tv_nsec = v->tv_nsec;
}
else
{
#ifdef __APPLE__
struct timeval t;
gettimeofday (&t, 0);
_time.tv_sec = t.tv_sec;
_time.tv_nsec = t.tv_usec * 1000;
#else
timespec t;
clock_gettime (CLOCK_REALTIME, &t);
_time.tv_sec = t.tv_sec;
_time.tv_nsec = t.tv_nsec;
#endif
}
}
void ITC_ctrl::inc_time (unsigned long micros)
{
unsigned long s, m;
s = micros / 1000000;
m = micros % 1000000;
_time.tv_nsec += 1000 * m;
if (_time.tv_nsec >= 1000000000)
{
_time.tv_nsec -= 1000000000;
s += 1;
}
_time.tv_sec += s;
}
unsigned long ITC_ctrl::delay (void)
{
#ifdef __APPLE__
struct timeval t;
gettimeofday (&t, 0);
return t.tv_usec - _time.tv_nsec / 1000 + 1000000 * (t.tv_sec - _time.tv_sec);
#else
timespec t;
clock_gettime (CLOCK_REALTIME, &t);
return (t.tv_nsec - _time.tv_nsec) / 1000 + 1000000 * (t.tv_sec - _time.tv_sec);
#endif
}
int ITC_ctrl::get_event (unsigned int emask)
{
int e;
lock ();
_mptr = 0;
e = find_event (emask);
if (e < 0) e = eget (emask);
if (e >= N_MQ) _ecnt [e - N_MQ] -= 1;
else if (e >= 0) _mptr = _list [e].get ();
unlock ();
return e;
}
int ITC_ctrl::get_event_timed (unsigned int emask)
{
int e;
lock ();
_mptr = 0;
e = find_event (emask);
if (e < 0) e = eget (emask, &_time);
if (e >= N_MQ) _ecnt [e - N_MQ] -= 1;
else if (e >= 0) _mptr = _list [e].get ();
unlock ();
return e;
}
int ITC_ctrl::get_event_nowait (unsigned int emask)
{
int e;
if (trylock ()) return EV_TIME;
_mptr = 0;
e = find_event (emask);
if (e >= N_MQ) _ecnt [e - N_MQ] -= 1;
else if (e >= 0) _mptr = _list [e].get ();
unlock ();
return e;
}
int ITC_ctrl::send_event (unsigned int opid, ITC_mesg *M)
{
if ((opid < N_OP) && _dest [opid]) return _dest [opid]->put_event (_ipid [opid], M);
else return Edest::NOT_CONN;
}
int ITC_ctrl::send_event (unsigned int opid, unsigned int incr)
{
if ((opid < N_OP) && _dest [opid]) return _dest [opid]->put_event (_ipid [opid], incr);
else return Edest::NOT_CONN;
}
void ITC_ctrl::connect (ITC_ctrl *srce, unsigned int opid,
Edest *dest, unsigned int ipid)
{
assert (srce);
assert (opid < N_OP);
assert (ipid < N_MQ + N_EC);
srce->_dest [opid] = 0;
srce->_ipid [opid] = ipid;
srce->_dest [opid] = dest;
}
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