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/* thread-safe log file utility functions - M Pique, 2014 */
/*
$Id: threadlog.cc,v 1.2 2014/06/12 01:44:08 mp Exp $
AutoDock
Copyright (C) 2009 The Scripps Research Institute. All rights reserved.
AutoDock is a Trade Mark of The Scripps Research Institute.
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.
*/
#ifdef HAVE_CONFIG_H
#include <config.h>
#endif
#include "threadlog.h"
#include "constants.h"
#include "stop.h"
/* include stdlib.h for "free" and unistd.h for "unlink" */
/* tempnam is in <stdio.h> */
#include <stdlib.h>
#include <unistd.h>
static char *tfilename[MAX_RUNS];
static FILE *tfileptr[MAX_RUNS];
FILE *
threadLogOpen(int j)
{
// note that tempnam does its own malloc() and is thread-safe MPique
tfilename[j] = tempnam(NULL, "autod");
tfileptr[j] = fopen(tfilename[j], "w");
if(NULL==tfileptr[j]) stop("cannot allocate or open temp log file");
return tfileptr[j];
}
void
threadLogClose(int j) {
if(NULL==tfileptr[j]) stop("closing non-open temp log file");
fclose(tfileptr[j]);
}
void
threadLogConcat(FILE * logFile, int j) {
int c;
FILE * tmpfd = fopen(tfilename[j], "r");
if(NULL==tmpfd) stop("cannot obtain new fd to concatenate log file");
fflush(logFile);
while( EOF != (c=getc(tmpfd)) ) putc(c, logFile);
fflush(logFile);
fclose(tmpfd);
}
void
threadLogFree(int j) {
if(NULL==tfileptr[j]) stop("freeing non-active temp log file");
#pragma omp critical
{
unlink(tfilename[j]);
free(tfilename[j]);
tfileptr[j]=NULL;
}
}
void
threadLogFreeAll(void) {
// for emergency cleanup of the temporary files on abnormal exit
for(int j=0;j<MAX_RUNS;j++) {
if(NULL==tfileptr[j]) continue;
unlink(tfilename[j]);
//free(tfilename[j]);
//tfileptr[j]=NULL;
}
}
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