/* file: wave-remote-test.c G. Moody 10 October 1996
Last revised: 29 April 1999
Testbed for wave-remote
-------------------------------------------------------------------------------
WAVE: Waveform analyzer, viewer, and editor
Copyright (C) 1999 George B. Moody
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, see <http://www.gnu.org/licenses/>.
You may contact the author by e-mail (wfdb@physionet.org) or postal mail
(MIT Room E25-505A, Cambridge, MA 02139 USA). For updates to this software,
please visit PhysioNet (http://www.physionet.org/).
_______________________________________________________________________________
*/
#include <stdio.h>
#include <signal.h>
#include <unistd.h>
char fname[30];
int i;
void exitproc(s)
int s;
{
unlink(fname);
printf("\nReceived signal %d -- exiting\n", s);
exit(s);
}
void actionproc(s)
{
char buf[80];
FILE *ifile;
printf("\n");
ifile = fopen(fname, "r");
while (fgets(buf, sizeof(buf), ifile))
fputs(buf, stdout);
fclose(ifile);
fclose(fopen(fname, "w"));
signal(SIGUSR1, actionproc);
i = 0;
}
main(argc, argv)
int argc;
char **argv;
{
sprintf(fname, "/tmp/.wave.%d.%d", (int)getuid(), (int)getpid());
fclose(fopen(fname, "w")); /* create fname as an empty file */
signal(SIGHUP, exitproc);
signal(SIGINT, exitproc);
signal(SIGQUIT, exitproc);
signal(SIGUSR1, actionproc);
signal(SIGTERM, exitproc);
printf("wave-remote-test now running, sentinel file: %s\n", fname);
while (1) {
sleep(1);
printf(".");
if (++i > 79) {
i = 0;
printf("\n");
}
fflush(stdout);
}
}