xfnw/plan9fox
1
0
Fork 0
Code Issues Pull requests Projects Releases Wiki Activity

ssh: issue "winchon" ctl request to /dev/consctl to get interrupt on window size change from vt(1)

Browse source
This commit is contained in:
cinap_lenrek 2017-08-20 19:17:46 +02:00
parent faae8eb752
commit bc54898807
1 changed files with 39 additions and 19 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

58
sys/src/cmd/ssh.c
View file

@ -97,7 +97,7 @@ shutdown(void)
void
catch(void*, char *msg)
{
if(strstr(msg, "interrupt") != nil){
if(strcmp(msg, "interrupt") == 0){
intr = 1;
noted(NCONT);
}
@ -114,7 +114,7 @@ wasintr(void)
return 1;
memset(err, 0, sizeof(err));
errstr(err, sizeof(err));
r = strstr(err, "interrupt") != nil;
r = strcmp(err, "interrupted") == 0;
errstr(err, sizeof(err));
return r;
}
@ -1073,20 +1073,10 @@ static struct {
} tty;
void
rawon(void)
getdim(void)
{
int ctl;
char *s;
close(0);
if(open("/dev/cons", OREAD) != 0)
sysfatal("open: %r");
close(1);
if(open("/dev/cons", OWRITE) != 1)
sysfatal("open: %r");
dup(1, 2);
if((ctl = open("/dev/consctl", OWRITE)) >= 0)
write(ctl, "rawon", 5);
if(s = getenv("XPIXELS")){
tty.xpixels = atoi(s);
free(s);
@ -1105,6 +1095,25 @@ rawon(void)
}
}
void
rawon(void)
{
int ctl;
close(0);
if(open("/dev/cons", OREAD) != 0)
sysfatal("open: %r");
close(1);
if(open("/dev/cons", OWRITE) != 1)
sysfatal("open: %r");
dup(1, 2);
if((ctl = open("/dev/consctl", OWRITE)) >= 0){
write(ctl, "rawon", 5);
write(ctl, "winchon", 7); /* vt(1): interrupt note on window change */
}
getdim();
}
#pragma varargck type "k" char*
kfmt(Fmt *f)
@ -1323,12 +1332,23 @@ Next1: switch(recvpkt()){
break;
if(n < 0 && wasintr()){
if(!raw) break;
sendpkt("busbs", MSG_CHANNEL_REQUEST,
send.chan,
"signal", 6,
0,
"INT", 3);
intr = 0;
if(intr){
getdim();
sendpkt("busbuuuu", MSG_CHANNEL_REQUEST,
send.chan,
"window-change", 13,
0,
tty.cols,
tty.lines,
tty.xpixels,
tty.ypixels);
sendpkt("busbs", MSG_CHANNEL_REQUEST,
send.chan,
"signal", 6,
0,
"INT", 3);
intr = 0;
}
continue;
}
if(n <= 0)