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/* GSL Engine - Flow module operation engine
* Copyright (C) 2001 Tim Janik
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This library 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
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General
* Public License along with this library; if not, write to the
* Free Software Foundation, Inc., 59 Temple Place, Suite 330,
* Boston, MA 02111-1307, USA.
*/
#ifndef __GSL_ENGINE_UTIL_H__
#define __GSL_ENGINE_UTIL_H__
#include <gsl/gsldefs.h>
#ifdef __cplusplus
extern "C" {
#endif /* __cplusplus */
/* --- typedefs --- */
typedef struct _EngineNode EngineNode;
typedef struct _EngineSchedule EngineSchedule;
/* --- UserThread --- */
void _engine_free_trans (GslTrans *trans);
GslOStream* _engine_alloc_ostreams (guint n);
#if 0 /* gslengine.h: */
void gsl_engine_garbage_collect (void);
gfloat* gsl_engine_const_values (gfloat value);
#endif
/* --- MasterThread --- */
void _engine_recycle_const_values (void);
/* master node list */
void _engine_mnl_remove (EngineNode *node);
void _engine_mnl_reorder (EngineNode *node);
void _engine_mnl_integrate (EngineNode *node);
#define GSL_MNL_HEAD_NODE(node) ((node)->flow_jobs && !(node)->sched_tag)
EngineNode* _engine_mnl_head (void);
/* communication routines for threads:
* UserThread - main application
* MasterThread - op engine control thread
* SlaveThread - op engine calculation threads
*
* these functions are for _internal_ use of gslop*.c implementations
*/
/* --- job transactions --- */
/* UserThread */
void _engine_enqueue_trans (GslTrans *trans);
GslTrans* _engine_collect_trans (void);
void _engine_wait_on_trans (void);
/* MasterThread */
/* GslJob* _engine_pop_job_timed (glong max_useconds); */
GslJob* _engine_pop_job (void);
gboolean _engine_job_pending (void);
/* --- node processing queue --- */
void _engine_set_schedule (EngineSchedule *schedule);
void _engine_unset_schedule (EngineSchedule *schedule);
EngineNode* _engine_pop_unprocessed_node (void);
void _engine_push_processed_node (EngineNode *node);
GslRing* _engine_pop_unprocessed_cycle (void);
void _engine_push_processed_cycle (GslRing *cycle);
void _engine_wait_on_unprocessed (void);
#ifdef __cplusplus
}
#endif /* __cplusplus */
#endif /* __GSL_ENGINE_UTIL_H__ */
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