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// padthv1_sched.h
//
/****************************************************************************
Copyright (C) 2012-2017, rncbc aka Rui Nuno Capela. All rights reserved.
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, write to the Free Software Foundation, Inc.,
51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*****************************************************************************/
#ifndef __padthv1_sched_h
#define __padthv1_sched_h
#include <stdint.h>
// forward decls.
class padthv1;
//-------------------------------------------------------------------------
// padthv1_sched - worker/scheduled stuff (pure virtual).
//
class padthv1_sched
{
public:
// plausible sched types.
enum Type { Sample, Programs, Controls, Controller, MidiIn };
// ctor.
padthv1_sched(padthv1 *pSynth, Type stype, uint32_t nsize = 8);
// virtual dtor.
virtual ~padthv1_sched();
// instance access.
padthv1 *instance() const;
// schedule process.
void schedule(int sid = 0);
// test-and-set wait.
bool sync_wait();
// scheduled processor.
void sync_process();
// (pure) virtual processor.
virtual void process(int sid) = 0;
// signal broadcast (static).
static void sync_notify(padthv1 *pSynth, Type stype, int sid);
private:
// instance variables.
padthv1 *m_pSynth;
Type m_stype;
// sched queue instance reference.
uint32_t m_nsize;
uint32_t m_nmask;
int *m_items;
volatile uint32_t m_iread;
volatile uint32_t m_iwrite;
volatile bool m_sync_wait;
};
//-------------------------------------------------------------------------
// padthv1_sched_notifier - worker/schedule proxy decl.
//
class padthv1_sched_notifier
{
public:
// ctor.
padthv1_sched_notifier(padthv1 *pSynth);
// dtor.
~padthv1_sched_notifier();
// signal notifier.
virtual void notify(padthv1_sched::Type stype, int sid) const = 0;
private:
// instance variables.
padthv1 *m_pSynth;
};
#endif // __padthv1_sched_h
// end of padthv1_sched.h
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