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yap-6.3/OPTYap/opt.misc.c

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/************************************************************************
** **
** The YapTab/YapOr/OPTYap systems **
** **
** YapTab extends the Yap Prolog engine to support sequential tabling **
** YapOr extends the Yap Prolog engine to support or-parallelism **
** OPTYap extends the Yap Prolog engine to support or-parallel tabling **
** **
** **
** Yap Prolog was developed at University of Porto, Portugal **
** **
************************************************************************/
/***********************
** Includes **
***********************/
#include "Yap.h"
#if defined(YAPOR) || defined(TABLING)
#include <stdarg.h>
#include <stdio.h>
#include <stdlib.h>
#if HAVE_UNISTD_H
#include <unistd.h>
#endif /* HAVE_UNISTD_H */
#if HAVE_STDARG_H
#include <stdarg.h>
#endif /* HAVE_STDARG_H */
#include "Yatom.h"
#include "yapio.h"
/************************************************
** Global variables are defined here **
************************************************/
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#ifndef THREADS
#ifdef YAPOR
struct worker WORKER;
#endif /* YAPOR */
#endif /* ! THREADS */
/*******************************
** Global functions **
*******************************/
void itos(int i, char *s) {
int n,r,j;
n = 10;
while (n <= i) n *= 10;
j = 0;
while (n > 1) {
n = n / 10;
r = i / n;
i = i - r * n;
s[j++] = r + '0';
}
s[j] = 0;
return;
}
void information_message(const char *mesg,...) {
va_list args;
va_start(args, mesg);
fprintf(stderr, "[ ");
vfprintf(stderr, mesg, args);
fprintf(stderr, " ]\n");
return;
}
#if defined(YAPOR_ERRORS) || defined(TABLING_ERRORS)
void error_message(const char *mesg, ...) {
va_list args;
va_start(args, mesg);
#ifdef YAPOR
LOCK(GLOBAL_LOCKS_stderr_messages);
#endif /* YAPOR */
fprintf(stderr, "% POTENCIAL ERROR- ");
#ifdef YAPOR
fprintf(stderr, "W%d: ", worker_id);
#endif /* YAPOR */
vfprintf(stderr, mesg, args);
fprintf(stderr, "\n");
#ifdef YAPOR
UNLOCK(GLOBAL_LOCKS_stderr_messages);
#endif /* YAPOR */
return;
}
#endif /* YAPOR_ERRORS || TABLING_ERRORS */
#endif /* YAPOR || TABLING */