diff options
Diffstat (limited to 'console-tools/openvt.c')
| -rw-r--r-- | console-tools/openvt.c | 23 |
1 files changed, 12 insertions, 11 deletions
diff --git a/console-tools/openvt.c b/console-tools/openvt.c index c4746dfd3..208522418 100644 --- a/console-tools/openvt.c +++ b/console-tools/openvt.c @@ -61,7 +61,8 @@ static int get_vt_fd(void) for (fd = 0; fd < 3; fd++) if (!not_vt_fd(fd)) return fd; - /* _only_ O_NONBLOCK: ask for neither read not write perms */ + /* _only_ O_NONBLOCK: ask for neither read nor write perms */ + /*FIXME: use? device_open(DEV_CONSOLE,0); */ fd = open(DEV_CONSOLE, O_NONBLOCK); if (fd >= 0 && !not_vt_fd(fd)) return fd; @@ -93,7 +94,7 @@ static NOINLINE void vfork_child(char **argv) /* CHILD */ /* Try to make this VT our controlling tty */ setsid(); /* lose old ctty */ - ioctl(0, TIOCSCTTY, 0 /* 0: don't forcibly steal */); + ioctl(STDIN_FILENO, TIOCSCTTY, 0 /* 0: don't forcibly steal */); //bb_error_msg("our sid %d", getsid(0)); //bb_error_msg("our pgrp %d", getpgrp()); //bb_error_msg("VT's sid %d", tcgetsid(0)); @@ -135,14 +136,13 @@ int openvt_main(int argc ATTRIBUTE_UNUSED, char **argv) sprintf(vtname, VC_FORMAT, vtno); /* (Try to) clean up stray open fds above fd 2 */ bb_daemonize_or_rexec(DAEMON_CLOSE_EXTRA_FDS | DAEMON_ONLY_SANITIZE, NULL); - close(0); + close(STDIN_FILENO); /*setsid(); - BAD IDEA: after we exit, child is SIGHUPed... */ xopen(vtname, O_RDWR); - xioctl(0, VT_GETSTATE, &vtstat); + xioctl(STDIN_FILENO, VT_GETSTATE, &vtstat); if (flags & OPT_s) { - xioctl(0, VT_ACTIVATE, (void*)(ptrdiff_t)vtno); - xioctl(0, VT_WAITACTIVE, (void*)(ptrdiff_t)vtno); + console_make_active(STDIN_FILENO, vtno); } if (!argv[0]) { @@ -153,14 +153,16 @@ int openvt_main(int argc ATTRIBUTE_UNUSED, char **argv) /*argv[1] = NULL; - already is */ } - xdup2(0, STDOUT_FILENO); - xdup2(0, STDERR_FILENO); + xdup2(STDIN_FILENO, STDOUT_FILENO); + xdup2(STDIN_FILENO, STDERR_FILENO); #ifdef BLOAT + { /* Handle -l (login shell) option */ const char *prog = argv[0]; if (flags & OPT_l) argv[0] = xasprintf("-%s", argv[0]); + } #endif vfork_child(argv); @@ -168,12 +170,11 @@ int openvt_main(int argc ATTRIBUTE_UNUSED, char **argv) /* We have only one child, wait for it */ safe_waitpid(-1, NULL, 0); /* loops on EINTR */ if (flags & OPT_s) { - xioctl(0, VT_ACTIVATE, (void*)(ptrdiff_t)(vtstat.v_active)); - xioctl(0, VT_WAITACTIVE, (void*)(ptrdiff_t)(vtstat.v_active)); + console_make_active(STDIN_FILENO, vtstat.v_active); // Compat: even with -c N (try to) disallocate: // # /usr/app/kbd-1.12/bin/openvt -f -c 9 -ws sleep 5 // openvt: could not deallocate console 9 - xioctl(0, VT_DISALLOCATE, (void*)(ptrdiff_t)vtno); + xioctl(STDIN_FILENO, VT_DISALLOCATE, (void*)(ptrdiff_t)vtno); } } return EXIT_SUCCESS; |