| /* vi: set sw=4 ts=4: */ |
| /* |
| * chvt.c - aeb - 940227 - Change virtual terminal |
| * |
| * busyboxed by Erik Andersen |
| */ |
| |
| /* getopt not needed */ |
| |
| #include <stdio.h> |
| #include <stdlib.h> |
| #include <fcntl.h> |
| #include <sys/types.h> |
| #include <sys/ioctl.h> |
| #include "busybox.h" |
| |
| /* From <linux/vt.h> */ |
| static const int VT_ACTIVATE = 0x5606; /* make vt active */ |
| static const int VT_WAITACTIVE = 0x5607; /* wait for vt active */ |
| |
| int chvt_main(int argc, char **argv) |
| { |
| int fd, num; |
| |
| if ((argc != 2) || (**(argv + 1) == '-')) |
| show_usage(); |
| fd = get_console_fd("/dev/console"); |
| num = atoi(argv[1]); |
| if (ioctl(fd, VT_ACTIVATE, num)) |
| perror_msg_and_die("VT_ACTIVATE"); |
| if (ioctl(fd, VT_WAITACTIVE, num)) |
| perror_msg_and_die("VT_WAITACTIVE"); |
| return EXIT_SUCCESS; |
| } |
| |
| |
| /* |
| Local Variables: |
| c-file-style: "linux" |
| c-basic-offset: 4 |
| tab-width: 4 |
| End: |
| */ |