1 #include <u.h>
2 #include <termios.h>
3 #include <sys/termios.h>
4 #include <pty.h>
5 #include <libc.h>
6 #include "9term.h"
7 
8 int
9 getpts(int fd[], char *slave)
10 {
11 	openpty(&fd[1], &fd[0], slave, 0, 0);
12 	return 0;
13 }
14 
15 int
16 childpty(int fd[], char *slave)
17 {
18 	int sfd;
19 
20 	close(fd[1]);
21 	setsid();
22 	sfd = open(slave, ORDWR);
23 	if(sfd < 0)
24 		sysfatal("open %s: %r\n", slave);
25 	if(ioctl(sfd, TIOCSCTTY, 0) < 0)
26 		fprint(2, "ioctl TIOCSCTTY: %r\n");
27 	return sfd;
28 }
29 
30 struct winsize ows;
31 
32 void
33 updatewinsize(int row, int col, int dx, int dy)
34 {
35 	struct winsize ws;
36 
37 	ws.ws_row = row;
38 	ws.ws_col = col;
39 	ws.ws_xpixel = dx;
40 	ws.ws_ypixel = dy;
41 	if(ws.ws_row != ows.ws_row || ws.ws_col != ows.ws_col)
42 	if(ioctl(rcfd[0], TIOCSWINSZ, &ws) < 0)
43 		fprint(2, "ioctl: %r\n");
44 	ows = ws;
45 }
46