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If we are in DDB, don't switch to a vty in the VT_PROCESS mode.

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MFC after:	2 weeks
This commit is contained in:
Kazutaka YOKOTA 2001-06-30 09:10:00 +00:00
parent e84b7987bc
commit 1036bb970a
1 changed files with 6 additions and 0 deletions
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6
sys/dev/syscons/syscons.c
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@ -2233,6 +2233,7 @@ sc_switch_scr(sc_softc_t *sc, u_int next_scr)
/*
* Is the wanted vty open? Don't allow switching to a closed vty.
* If we are in DDB, don't switch to a vty in the VT_PROCESS mode.
* Note that we always allow the user to switch to the kernel
* console even if it is closed.
*/
@ -2244,6 +2245,11 @@ sc_switch_scr(sc_softc_t *sc, u_int next_scr)
DPRINTF(5, ("error 2, requested vty isn't open!\n"));
return EINVAL;
}
if ((debugger > 0) && (SC_STAT(tp->t_dev)->smode.mode == VT_PROCESS)) {
splx(s);
DPRINTF(5, ("error 3, requested vty is in the VT_PROCESS mode\n"));
return EINVAL;
}
}
/* this is the start of vty switching process... */