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Add 'dtrwait <n>' option to comcontrol to handle

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TIOCM[SG]DTRWAIT ioctl.
This commit is contained in:
Andrey A. Chernov 1993-12-10 01:08:47 +00:00
parent 31a947eb76
commit cc4ca26313
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=837
2 changed files with 100 additions and 30 deletions
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65
sbin/comcontrol/comcontrol.c
View file

@ -31,12 +31,14 @@
#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> [[-]bidir]\n", progname);
fprintf(stderr, "usage: %s <filename> [[-]bidir] [dtrwait <n>]\n", progname);
exit(1);
}
@ -44,8 +46,9 @@ int main(int argc, char *argv[])
{
int fd;
int res;
int dtrwait;
if ((argc < 2) || (argc > 3)) usage(argv[0]);
if ((argc < 2) || (argc > 5)) usage(argv[0]);
fd = open(argv[1], O_RDONLY|O_NONBLOCK, 0);
if (fd < 0) {
@ -56,24 +59,56 @@ int main(int argc, char *argv[])
if (argc == 2) {
if (ioctl(fd, TIOCMGBIDIR, &res) < 0) {
perror("ioctl");
perror("TIOCMGBIDIR");
exit(1);
}
if (!res) printf("-");
printf("bidir\n");
} else {
if (!strcmp(argv[2],"bidir")) {
res = 1;
} else if (!strcmp(argv[2],"-bidir")) {
res = 0;
} else {
usage(argv[0]);
printf("bidir ");
if (ioctl(fd, TIOCMGDTRWAIT, &dtrwait) < 0) {
perror("TIOCMGDTRWAIT");
exit(1);
}
printf("dtrwait %d\n", dtrwait);
} else {
char *prg = argv[0];
res = dtrwait = -1;
while (argv[2] != NULL) {
if (!strcmp(argv[2],"bidir")) {
if (res >= 0)
usage(prg);
res = 1;
argv++;
} else if (!strcmp(argv[2],"-bidir")) {
if (res >= 0)
usage(prg);
res = 0;
argv++;
} else 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 {
usage(prg);
}
}
if (res >= 0) {
if (ioctl(fd, TIOCMSBIDIR, &res) < 0) {
perror("TIOCMSBIDIR");
exit(1);
}
}
if (dtrwait >= 0) {
if (ioctl(fd, TIOCMSDTRWAIT, &dtrwait) < 0) {
perror("TIOCMSDTRWAIT");
exit(1);
}
}
if (ioctl(fd, TIOCMSBIDIR, &res) < 0) {
perror("ioctl");
exit(1);
}
}
close(fd);
exit(0);
}

65
sbin/i386/comcontrol/comcontrol.c
View file

@ -31,12 +31,14 @@
#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> [[-]bidir]\n", progname);
fprintf(stderr, "usage: %s <filename> [[-]bidir] [dtrwait <n>]\n", progname);
exit(1);
}
@ -44,8 +46,9 @@ int main(int argc, char *argv[])
{
int fd;
int res;
int dtrwait;
if ((argc < 2) || (argc > 3)) usage(argv[0]);
if ((argc < 2) || (argc > 5)) usage(argv[0]);
fd = open(argv[1], O_RDONLY|O_NONBLOCK, 0);
if (fd < 0) {
@ -56,24 +59,56 @@ int main(int argc, char *argv[])
if (argc == 2) {
if (ioctl(fd, TIOCMGBIDIR, &res) < 0) {
perror("ioctl");
perror("TIOCMGBIDIR");
exit(1);
}
if (!res) printf("-");
printf("bidir\n");
} else {
if (!strcmp(argv[2],"bidir")) {
res = 1;
} else if (!strcmp(argv[2],"-bidir")) {
res = 0;
} else {
usage(argv[0]);
printf("bidir ");
if (ioctl(fd, TIOCMGDTRWAIT, &dtrwait) < 0) {
perror("TIOCMGDTRWAIT");
exit(1);
}
printf("dtrwait %d\n", dtrwait);
} else {
char *prg = argv[0];
res = dtrwait = -1;
while (argv[2] != NULL) {
if (!strcmp(argv[2],"bidir")) {
if (res >= 0)
usage(prg);
res = 1;
argv++;
} else if (!strcmp(argv[2],"-bidir")) {
if (res >= 0)
usage(prg);
res = 0;
argv++;
} else 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 {
usage(prg);
}
}
if (res >= 0) {
if (ioctl(fd, TIOCMSBIDIR, &res) < 0) {
perror("TIOCMSBIDIR");
exit(1);
}
}
if (dtrwait >= 0) {
if (ioctl(fd, TIOCMSDTRWAIT, &dtrwait) < 0) {
perror("TIOCMSDTRWAIT");
exit(1);
}
}
if (ioctl(fd, TIOCMSBIDIR, &res) < 0) {
perror("ioctl");
exit(1);
}
}
close(fd);
exit(0);
}