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-rw-r--r--sbin/i386/comcontrol/comcontrol.c108
1 files changed, 108 insertions, 0 deletions
diff --git a/sbin/i386/comcontrol/comcontrol.c b/sbin/i386/comcontrol/comcontrol.c
new file mode 100644
index 0000000..17c2882
--- /dev/null
+++ b/sbin/i386/comcontrol/comcontrol.c
@@ -0,0 +1,108 @@
+/*-
+ * Copyright (c) 1992 Christopher G. Demetriou
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in the
+ * documentation and/or other materials provided with the distribution.
+ * 3. The name of the author may not be used to endorse or promote
+ * products derived from this software without specific written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ */
+
+/* comcontrol.c */
+
+#include <sys/types.h>
+#include <sys/ioctl.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <ctype.h>
+#include <fcntl.h>
+
+
+void usage(char *progname)
+{
+ fprintf(stderr, "usage: %s <filename> [dtrwait <n>] [drainwait <n>]\n", progname);
+ exit(1);
+}
+
+int main(int argc, char *argv[])
+{
+ int fd;
+ int res = 0;
+ int dtrwait = -1, drainwait = -1;
+
+ if (argc < 2)
+ usage(argv[0]);
+
+ fd = open(argv[1], O_RDONLY|O_NONBLOCK, 0);
+ if (fd < 0) {
+ perror("open");
+ fprintf(stderr, "%s: couldn't open file %s\n", argv[0], argv[1]);
+ return 1;
+ }
+
+ if (argc == 2) {
+ if (ioctl(fd, TIOCMGDTRWAIT, &dtrwait) < 0) {
+ res = 1;
+ perror("TIOCMGDTRWAIT");
+ }
+ if (ioctl(fd, TIOCGDRAINWAIT, &drainwait) < 0) {
+ res = 1;
+ perror("TIOCGDRAINWAIT");
+ }
+ printf("dtrwait %d drainwait %d\n", dtrwait, drainwait);
+ } else {
+ char *prg = argv[0];
+
+ while (argv[2] != NULL) {
+ if (!strcmp(argv[2],"dtrwait")) {
+ if (dtrwait >= 0)
+ usage(prg);
+ if (argv[3] == NULL || !isdigit(argv[3][0]))
+ usage(prg);
+ dtrwait = atoi(argv[3]);
+ argv += 2;
+ } else if (!strcmp(argv[2],"drainwait")) {
+ if (drainwait >= 0)
+ usage(prg);
+ if (argv[3] == NULL || !isdigit(argv[3][0]))
+ usage(prg);
+ drainwait = atoi(argv[3]);
+ argv += 2;
+ } else
+ usage(prg);
+ }
+ if (dtrwait >= 0) {
+ if (ioctl(fd, TIOCMSDTRWAIT, &dtrwait) < 0) {
+ res = 1;
+ perror("TIOCMSDTRWAIT");
+ }
+ }
+ if (drainwait >= 0) {
+ if (ioctl(fd, TIOCSDRAINWAIT, &drainwait) < 0) {
+ res = 1;
+ perror("TIOCSDRAINWAIT");
+ }
+ }
+ }
+
+ close(fd);
+ return res;
+}
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