74 lines
1.8 KiB
C
74 lines
1.8 KiB
C
/*
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Copyright (C) 2006 AbsoluteValue Systems, Inc. All Rights Reserved.
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Originally written and maintained by: Solomon Peachy <pizza@shaftnet.org>
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Local redirection & Debugging code by: Mark Mathews <mark@linux-wlan.com>
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This program is free software: you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation, either version 3 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#include <stdio.h>
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#include <fcntl.h>
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#include <unistd.h>
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#include <sys/types.h>
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#include <sys/stat.h>
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#include <sys/ioctl.h>
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#include <linux/serial.h>
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int main(int argc, char **argv) {
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int fd;
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int i;
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int rval = 0;
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char *devname;
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struct serial_icounter_struct stats;
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if (argc != 2) {
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fprintf(stderr, "usage: serialstats devicename\n");
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rval = 1;
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goto done;
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}
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devname = argv[1];
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fd = open(devname, O_RDWR|O_NONBLOCK|O_NOCTTY);
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if (fd <= 0) {
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perror("couldn't open device");
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rval = fd;
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goto done;
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}
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i = ioctl(fd, TIOCGICOUNT, &stats);
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if (i != 0) {
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perror("couldn't issue ioctl");
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rval = i;
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goto done;
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}
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printf("cts=%d\ndsr=%d\nrng=%d\ndcd=%d\nrx=%d\ntx=%d\nframe=%d\noverrun=%d\nparity=%d\nbrk=%d\nbuf_overrun=%d\n",
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stats.cts, stats.dsr, stats.rng, stats.dcd,
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stats.rx, stats.tx,
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stats.frame, stats.overrun, stats.parity, stats.brk,
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stats.buf_overrun);
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close(fd);
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done:
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return rval;
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}
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