| #include <u.h> |
| #include <termios.h> |
| #include <sys/termios.h> |
| #include <libc.h> |
| #include "term.h" |
| |
| int |
| getpts(int fd[], char *slave) |
| { |
| fd[1] = open("/dev/ptmx", ORDWR); |
| if ((grantpt(fd[1]) < 0) || (unlockpt(fd[1]) < 0)) |
| return -1; |
| fchmod(fd[1], 0622); |
| strcpy(slave, ptsname(fd[1])); |
| fd[0] = open(slave, OREAD); |
| return 0; |
| } |
| |
| int |
| childpty(int fd[], char *slave) |
| { |
| int sfd; |
| |
| close(fd[1]); |
| setsid(); |
| sfd = open(slave, ORDWR); |
| if(sfd < 0) |
| sysfatal("open %s: %r\n", slave); |
| return sfd; |
| } |
| |
| struct winsize ows; |
| |
| void |
| updatewinsize(int row, int col, int dx, int dy) |
| { |
| struct winsize ws; |
| |
| ws.ws_row = row; |
| ws.ws_col = col; |
| ws.ws_xpixel = dx; |
| ws.ws_ypixel = dy; |
| if(ws.ws_row != ows.ws_row || ws.ws_col != ows.ws_col) |
| if(ioctl(rcfd, TIOCSWINSZ, &ws) < 0) |
| fprint(2, "ioctl: %r\n"); |
| ows = ws; |
| } |
| |