diff options
| author |   art <art@openbsd.org> | 2000-03-02 10:50:28 +0000 |
|---|---|---|
| committer | art <art@openbsd.org> | 2000-03-02 10:50:28 +0000 |
| commit | e3bb0e47f6550a81672d3c35a3359d4c82a4b9e4 (patch) | |
| tree | b8149ee4bc896c3ffdd7ad939d11b832736ce5e3 /sys/kern/subr_prf.c | |
| parent | Make libkafs compatible with in-tree afs. (diff) | |
| download | wireguard-openbsd-e3bb0e47f6550a81672d3c35a3359d4c82a4b9e4.tar.xz wireguard-openbsd-e3bb0e47f6550a81672d3c35a3359d4c82a4b9e4.zip | |
Add an option DDB_SAFE_CONSOLE that defaults db_console to 1.
In many cases, setting db_console in /etc/rc is too late.
Diffstat (limited to 'sys/kern/subr_prf.c')
| -rw-r--r-- | sys/kern/subr_prf.c | 17 |
1 files changed, 16 insertions, 1 deletions
diff --git a/sys/kern/subr_prf.c b/sys/kern/subr_prf.c index 0ec990f67a9..5ab131ddc8d 100644 --- a/sys/kern/subr_prf.c +++ b/sys/kern/subr_prf.c @@ -1,4 +1,4 @@ -/* $OpenBSD: subr_prf.c,v 1.27 2000/02/22 19:28:04 deraadt Exp $ */ +/* $OpenBSD: subr_prf.c,v 1.28 2000/03/02 10:50:29 art Exp $ */ /* $NetBSD: subr_prf.c,v 1.45 1997/10/24 18:14:25 chuck Exp $ */ /*- @@ -109,9 +109,24 @@ extern int log_open; /* subr_log: is /dev/klog open? */ const char *panicstr; /* arg to first call to panic (used as a flag to indicate that panic has already been called). */ #ifdef DDB +/* + * Enter ddb on panic. + */ int db_panic = 1; + +/* + * db_console controls if we can be able to enter ddb by a special key + * combination (machine dependent). + * If DDB_SAFE_CONSOLE is defined in the kernel configuration it allows + * to break into console during boot. It's _really_ useful when debugging + * some things in the kernel that can cause init(8) to crash. + */ +#ifdef DDB_SAFE_CONSOLE +int db_console = 1; +#else int db_console = 0; #endif +#endif /* * v_putc: routine to putc on virtual console |