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yap-6.3/library/mpi/mpe.c

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/*************************************************************************
* *
* YAP Prolog *
* *
* Yap Prolog was developed at NCCUP - Universidade do Porto *
* *
* Copyright S. Konstantopoulos and Universidade do Porto 2002 *
* *
**************************************************************************
* *
* File: mpe.c *
* Last rev: $Date: 2003-07-03 15:46:10 $ *
* mods: *
* comments: Interface to an MPE library *
* *
*************************************************************************/
#ifndef lint
static char *rcsid = "$Header: /Users/vitor/Yap/yap-cvsbackup/library/mpi/mpe.c,v 1.6 2003-07-03 15:46:10 stasinos Exp $";
#endif
#include "Yap.h"
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/* Should we use MPI ? */
#if defined(HAVE_MPI_H) && (defined(HAVE_LIBMPI) || defined(HAVE_LIBMPICH))
#define HAVE_MPI 1
#else
#define HAVE_MPI 0
#endif
/* Should we use MPE ? */
#if defined(HAVE_MPI_H) && HAVE_LIBMPE && HAVE_MPI
#define HAVE_MPE 1
#else
#define HAVE_MPE 0
#endif
#if HAVE_MPE
#if 0
/* for AtomEof */
#include "Heap.h"
#include "yapio.h"
#include <stdlib.h>
#include <string.h>
#endif
#include "Yatom.h"
#include <mpe.h>
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static Int p_init(void);
static Int p_start(void);
static Int p_close(void);
static Int p_create_event(void);
static Int p_create_state(void);
static Int p_log(void);
/*
* Auxiliary Data and Functions
*/
/*
* C Predicates
*/
static Int
p_init() /* mpe_open */
{
return (MPE_Init_log() == 0);
}
static Int
p_start() /* mpe_start */
{
return (MPE_Start_log() == 0);
}
static Int /* mpe_close(+FileName) */
p_close()
{
Term t_str = Deref(ARG1);
char *str;
/* The arg must be bound to an atom. */
if (IsVarTerm(t_str)) {
Yap_Error(INSTANTIATION_ERROR, t_str, "mpe_close");
return (FALSE);
} else if( !IsAtomTerm(t_str) ) {
Yap_Error(TYPE_ERROR_ATOM, t_str, "mpe_close");
return (FALSE);
} else {
str = RepAtom(AtomOfTerm(t_str))->StrOfAE;
}
return (MPE_Finish_log(str) == 0);
}
static Int /* mpe_create_event(?Event) */
p_create_event()
{
Int event_id;
event_id = MPE_Log_get_event_number();
return Yap_unify(ARG1, MkIntegerTerm(event_id));
}
static Int /* mpe_create_state(+Event,+Event,+Text,+Colour) */
p_create_state()
{
Term t_start = Deref(ARG1), t_end = Deref(ARG2),
t_descr = Deref(ARG3), t_colour = Deref(ARG4);
Int start_id, end_id;
char *descr, *colour;
int retv;
/* The first and second args must be bount to integer event IDs. */
if (IsVarTerm(t_start)) {
Yap_Error(INSTANTIATION_ERROR, t_start, "mpe_create_state");
return (FALSE);
} else if( !IsIntegerTerm(t_start) ) {
Yap_Error(TYPE_ERROR_INTEGER, t_start, "mpe_create_state");
return (FALSE);
} else {
start_id = IntOfTerm(t_start);
}
if (IsVarTerm(t_end)) {
Yap_Error(INSTANTIATION_ERROR, t_end, "mpe_create_state");
return (FALSE);
} else if( !IsIntegerTerm(t_end) ) {
Yap_Error(TYPE_ERROR_INTEGER, t_end, "mpe_create_state");
return (FALSE);
} else {
end_id = IntOfTerm(t_end);
}
/* The third and fourth args must be bound to atoms. */
if (IsVarTerm(t_descr)) {
Yap_Error(INSTANTIATION_ERROR, t_descr, "mpe_create_state");
return (FALSE);
} else if( !IsAtomTerm(t_descr) ) {
Yap_Error(TYPE_ERROR_ATOM, t_descr, "mpe_create_state");
return (FALSE);
} else {
descr = RepAtom(AtomOfTerm(t_descr))->StrOfAE;
}
if (IsVarTerm(t_colour)) {
Yap_Error(INSTANTIATION_ERROR, t_colour, "mpe_create_state");
return (FALSE);
} else if( !IsAtomTerm(t_colour) ) {
Yap_Error(TYPE_ERROR_ATOM, t_colour, "mpe_create_state");
return (FALSE);
} else {
colour = RepAtom(AtomOfTerm(t_colour))->StrOfAE;
}
retv = MPE_Describe_state( (int)start_id, (int)end_id, descr, colour );
return (retv == 0);
}
static Int
p_log() /* mpe_log(+EventType, +EventNum, +EventStr) */
{
Term t_type = Deref(ARG1), t_num = Deref(ARG2), t_str = Deref(ARG3);
Int event_id, event;
char *descr;
/* The first arg must be bount to integer event type ID. */
if (IsVarTerm(t_type)) {
Yap_Error(INSTANTIATION_ERROR, t_type, "mpe_log");
return (FALSE);
} else if( !IsIntegerTerm(t_type) ) {
Yap_Error(TYPE_ERROR_INTEGER, t_type, "mpe_log");
return (FALSE);
} else {
event_id = IntOfTerm(t_type);
}
/* The second arg must be bount to integer event number. */
if (IsVarTerm(t_num)) {
Yap_Error(INSTANTIATION_ERROR, t_num, "mpe_log");
return (FALSE);
} else if( !IsIntegerTerm(t_num) ) {
Yap_Error(TYPE_ERROR_INTEGER, t_num, "mpe_log");
return (FALSE);
} else {
event = IntOfTerm(t_num);
}
/* The third arg must be bound to an atom. */
if (IsVarTerm(t_str)) {
Yap_Error(INSTANTIATION_ERROR, t_str, "mpe_log");
return (FALSE);
} else if( !IsAtomTerm(t_str) ) {
Yap_Error(TYPE_ERROR_ATOM, t_str, "mpe_log");
return (FALSE);
} else {
descr = RepAtom(AtomOfTerm(t_str))->StrOfAE;
}
return ( MPE_Log_event((int)event_id, (int)event, descr) == 0 );
}
/*
* Init
*/
void
Yap_InitMPE(void)
{
Yap_InitCPred( "mpe_open", 0, p_init, SafePredFlag );
Yap_InitCPred( "mpe_start", 0, p_start, SafePredFlag );
Yap_InitCPred( "mpe_close", 1, p_close, SafePredFlag );
Yap_InitCPred( "mpe_create_event", 1, p_create_event, SafePredFlag );
Yap_InitCPred( "mpe_create_state", 4, p_create_state, SafePredFlag );
Yap_InitCPred( "mpe_log", 3, p_log, SafePredFlag );
}
#endif /* HAVE_MPE */