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authorDale Rahn <drahn@cvs.openbsd.org>2011-04-03 16:46:20 +0000
committerDale Rahn <drahn@cvs.openbsd.org>2011-04-03 16:46:20 +0000
commitb6940314d6366671b87422f51857ee576975d151 (patch)
treed7f8d83c895522ea3bb23cb0168d4a30f0f5544e /sys/kern/subr_prf.c
parent7c7725bd092134301df528c00b4a45f5c652622e (diff)
Allow kernel printfs to go to console if in ddb instead of being redirected
to xconsole. ok deraadt@ guenther@
Diffstat (limited to 'sys/kern/subr_prf.c')
-rw-r--r--sys/kern/subr_prf.c17
1 files changed, 14 insertions, 3 deletions
diff --git a/sys/kern/subr_prf.c b/sys/kern/subr_prf.c
index 30e7dcef6be..7459266b1b3 100644
--- a/sys/kern/subr_prf.c
+++ b/sys/kern/subr_prf.c
@@ -1,4 +1,4 @@
-/* $OpenBSD: subr_prf.c,v 1.75 2010/07/26 01:56:27 guenther Exp $ */
+/* $OpenBSD: subr_prf.c,v 1.76 2011/04/03 16:46:19 drahn Exp $ */
/* $NetBSD: subr_prf.c,v 1.45 1997/10/24 18:14:25 chuck Exp $ */
/*-
@@ -123,6 +123,11 @@ int db_console = 1;
#else
int db_console = 0;
#endif
+
+/*
+ * flag to indicate if we are currently in ddb (on some processor)
+ */
+int db_is_active;
#endif
/*
@@ -324,10 +329,16 @@ void
kputchar(int c, int flags, struct tty *tp)
{
extern int msgbufmapped;
+ int ddb_active = 0;
+
+#ifdef DDB
+ ddb_active = db_is_active;
+#endif
if (panicstr)
constty = NULL;
- if ((flags & TOCONS) && tp == NULL && constty) {
+
+ if ((flags & TOCONS) && tp == NULL && constty && !ddb_active) {
tp = constty;
flags |= TOTTY;
}
@@ -337,7 +348,7 @@ kputchar(int c, int flags, struct tty *tp)
if ((flags & TOLOG) &&
c != '\0' && c != '\r' && c != 0177 && msgbufmapped)
msgbuf_putchar(c);
- if ((flags & TOCONS) && constty == NULL && c != '\0')
+ if ((flags & TOCONS) && (constty == NULL || ddb_active) && c != '\0')
(*v_putc)(c);
#ifdef DDB
if (flags & TODDB)