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Add a sysctl/tunable, "kern.always_console_output", that lets you set

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output to permanently (not ephemerally) go to the console.  It is also
sent to any other console specified by TIOCCONS as normal.

While I'm here, document the kern.log_console_output sysctl.
This commit is contained in:
Brian Feldman 2004-06-18 20:12:42 +00:00
parent d5ed4f061e
commit 8e1b797456
1 changed files with 12 additions and 3 deletions
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15
sys/kern/subr_prf.c
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@ -97,7 +97,12 @@ int msgbuftrigger;
static int log_console_output = 1;
TUNABLE_INT("kern.log_console_output", &log_console_output);
SYSCTL_INT(_kern, OID_AUTO, log_console_output, CTLFLAG_RW,
&log_console_output, 0, "");
&log_console_output, 0, "Duplicate console output to the syslog.");
static int always_console_output = 0;
TUNABLE_INT("kern.always_console_output", &always_console_output);
SYSCTL_INT(_kern, OID_AUTO, always_console_output, CTLFLAG_RW,
&always_console_output, 0, "Always output to console despite TIOCCONS.");
/*
* Warn that a system table is full.
@ -345,8 +350,12 @@ putchar(int c, void *arg)
} else {
if ((flags & TOTTY) && tp != NULL)
tputchar(c, tp);
if ((flags & TOCONS) && constty != NULL)
msgbuf_addchar(&consmsgbuf, c);
if (flags & TOCONS) {
if (constty != NULL)
msgbuf_addchar(&consmsgbuf, c);
if (always_console_output && c != '\0')
cnputc(c);
}
}
if ((flags & TOLOG))
msglogchar(c, ap->pri);