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Check exit code of the dialer, from asa@gw.cronyx.msk.su

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Set HUPCL as default modem flag, idea from asa@gw.cronyx.msk.su
but different implementation.
This commit is contained in:
Andrey A. Chernov 1994-11-14 20:17:36 +00:00
parent d28db85ed5
commit ea69190efb
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=4483
1 changed files with 4 additions and 3 deletions
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7
sbin/slattach/slattach.c
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@ -77,7 +77,7 @@ void acquire_line(); /* get tty device as controling terminal */
int fd = -1;
char *dev = (char *)0; /* path name of the tty (e.g. /dev/tty01) */
int flow_control = 0; /* non-zero to enable hardware flow control. */
int modem_control = 0; /* non-zero iff we watch carrier. */
int modem_control = HUPCL; /* !CLOCAL+HUPCL iff we watch carrier. */
int comstate; /* TIOCMGET current state of serial driver */
int redial_on_startup = 0; /* iff non-zero execute redial_cmd on startup */
int speed = DEFAULT_BAUD; /* baud rate of tty */
@ -133,7 +133,7 @@ int main(int argc, char **argv)
flow_control |= CRTSCTS;
break;
case 'l':
modem_control |= CLOCAL;
modem_control = CLOCAL; /* clear HUPCL too */
break;
case 'n':
slflags |= IFF_LINK1;
@ -373,7 +373,8 @@ void sighup_handler()
setup_line(CLOCAL);
syslog(LOG_NOTICE,"SIGHUP on %s (sl%d); running %s",
dev,unit,redial_cmd);
system(redial_cmd);
if (system(redial_cmd))
goto again;
/* Now check again for carrier (dial command is done): */
if (!(modem_control & CLOCAL)) {
tty.c_cflag &= ~CLOCAL;