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-rw-r--r--sys/dev/syscons/syscons.c4
1 files changed, 4 insertions, 0 deletions
diff --git a/sys/dev/syscons/syscons.c b/sys/dev/syscons/syscons.c
index 452c8e0..631daa4 100644
--- a/sys/dev/syscons/syscons.c
+++ b/sys/dev/syscons/syscons.c
@@ -2300,7 +2300,9 @@ signal_vt_rel(scr_stat *scp)
if (scp->smode.mode != VT_PROCESS)
return FALSE;
scp->status |= SWITCH_WAIT_REL;
+ PROC_LOCK(scp->proc);
psignal(scp->proc, scp->smode.relsig);
+ PROC_UNLOCK(scp->proc);
DPRINTF(5, ("sending relsig to %d\n", scp->pid));
return TRUE;
}
@@ -2313,7 +2315,9 @@ signal_vt_acq(scr_stat *scp)
if (scp->sc->unit == sc_console_unit)
cons_unavail = TRUE;
scp->status |= SWITCH_WAIT_ACQ;
+ PROC_LOCK(scp->proc);
psignal(scp->proc, scp->smode.acqsig);
+ PROC_UNLOCK(scp->proc);
DPRINTF(5, ("sending acqsig to %d\n", scp->pid));
return TRUE;
}
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