| 41 | #include <unistd.h> |
| 42 | |
| 43 | int |
| 44 | login_tty(int fd) |
| 45 | { |
| 46 | pid_t s; |
| 47 | |
| 48 | s = setsid(); |
| 49 | if (s == -1) |
| 50 | s = getsid(0); |
| 51 | if (tcsetsid(fd, s) == -1) |
| 52 | return (-1); |
| 53 | (void) dup2(fd, 0); |
| 54 | (void) dup2(fd, 1); |
| 55 | (void) dup2(fd, 2); |
| 56 | if (fd > 2) |
| 57 | (void) close(fd); |
| 58 | return (0); |
| 59 | } |