Patch from Tim Riker to allow tty* in inittab if the tty
actually exists -- serial console is not the issue...
diff --git a/init/init.c b/init/init.c
index 229e3c4..f6c2b66 100644
--- a/init/init.c
+++ b/init/init.c
@@ -159,13 +159,10 @@
/* Static variables */
static struct init_action *init_action_list = NULL;
-static char *secondConsole = VC_2;
-static char *thirdConsole = VC_3;
-static char *fourthConsole = VC_4;
-static char *log = VC_5;
static int kernelVersion = 0;
static char termType[32] = "TERM=linux";
static char console[32] = _PATH_CONSOLE;
+static char *log = VC_5;
static sig_atomic_t got_cont = 0;
static const int LOG = 0x1;
static const int CONSOLE = 0x2;
@@ -223,15 +220,9 @@
/* Take full control of the log tty, and never close it.
* It's mine, all mine! Muhahahaha! */
if (log_fd < 0) {
- if (log == NULL) {
- /* don't even try to log, because there is no such console */
- log_fd = -2;
- /* log to main console instead */
- device = CONSOLE;
- } else if ((log_fd = device_open(log, O_RDWR|O_NDELAY)) < 0) {
+ if ((log_fd = device_open(log, O_RDWR|O_NDELAY)) < 0) {
log_fd = -2;
fprintf(stderr, "Bummer, can't write to log on %s!\n", log);
- log = NULL;
device = CONSOLE;
}
}
@@ -381,19 +372,12 @@
/* Perhaps we should panic here? */
safe_strncpy(console, "/dev/null", sizeof(console));
} else {
- /* check for serial console and disable logging to tty5 &
- * running a shell to tty2-4 */
+ /* check for serial console */
if (ioctl(0, TIOCGSERIAL, &sr) == 0) {
- log = NULL;
- secondConsole = NULL;
- thirdConsole = NULL;
- fourthConsole = NULL;
/* Force the TERM setting to vt102 for serial console --
- * iff TERM is set to linux (the default) */
+ * if TERM is set to linux (the default) */
if (strcmp( termType, "TERM=linux" ) == 0)
safe_strncpy(termType, "TERM=vt102", sizeof(termType));
- message(LOG | CONSOLE,
- "\rserial console detected. Disabling virtual terminals.\n");
}
close(fd);
}
@@ -802,9 +786,7 @@
/* Seems the s390 console is Wierd(tm). */
"\rThe system is halted. You may reboot now.\n"
#else
- /* secondConsole is NULL for a serial console */
- "\rThe system is halted. Press %s or turn off power\n",
- (secondConsole == NULL)? "Reset" : "CTRL-ALT-DEL"
+ "\rThe system is halted. Press Reset or turn off power\n"
#endif
);
sync();
@@ -865,12 +847,8 @@
if (*cons == '\0')
cons = console;
- /* If BusyBox detects that a serial console is in use, then entries
- * not refering to the console or null devices will _not_ be run.
- * The exception to this rule is the null device.
- */
- if (secondConsole == NULL && strcmp(cons, console)
- && strcmp(cons, "/dev/null"))
+ /* do not run entries if console device is not available */
+ if (access(cons, R_OK|W_OK))
return;
if (strcmp(cons, "/dev/null") == 0 && (action & ASKFIRST))
return;
@@ -944,17 +922,11 @@
#endif
/* Prepare to restart init when a HUP is received */
new_init_action(RESTART, "/sbin/init", console);
- /* Askfirst shell on tty1 */
+ /* Askfirst shell on tty1-4 */
new_init_action(ASKFIRST, LOGIN_SHELL, console);
- /* Askfirst shell on tty2 */
- if (secondConsole != NULL)
- new_init_action(ASKFIRST, LOGIN_SHELL, secondConsole);
- /* Askfirst shell on tty3 */
- if (thirdConsole != NULL)
- new_init_action(ASKFIRST, LOGIN_SHELL, thirdConsole);
- /* Askfirst shell on tty4 */
- if (fourthConsole != NULL)
- new_init_action(ASKFIRST, LOGIN_SHELL, fourthConsole);
+ new_init_action(ASKFIRST, LOGIN_SHELL, VC_2);
+ new_init_action(ASKFIRST, LOGIN_SHELL, VC_3);
+ new_init_action(ASKFIRST, LOGIN_SHELL, VC_4);
/* sysinit */
new_init_action(SYSINIT, INIT_SCRIPT, console);
@@ -1113,12 +1085,9 @@
if (argc > 1 && (!strcmp(argv[1], "single") ||
!strcmp(argv[1], "-s") || !strcmp(argv[1], "1"))) {
/* Ask first then start a shell on tty2-4 */
- if (secondConsole != NULL)
- new_init_action(ASKFIRST, LOGIN_SHELL, secondConsole);
- if (thirdConsole != NULL)
- new_init_action(ASKFIRST, LOGIN_SHELL, thirdConsole);
- if (fourthConsole != NULL)
- new_init_action(ASKFIRST, LOGIN_SHELL, fourthConsole);
+ new_init_action(ASKFIRST, LOGIN_SHELL, VC_2);
+ new_init_action(ASKFIRST, LOGIN_SHELL, VC_3);
+ new_init_action(ASKFIRST, LOGIN_SHELL, VC_4);
/* Start a shell on tty1 */
new_init_action(RESPAWN, LOGIN_SHELL, console);
} else {