diff options
| author | julian <julian@FreeBSD.org> | 1996-10-30 21:40:25 +0000 |
|---|---|---|
| committer | julian <julian@FreeBSD.org> | 1996-10-30 21:40:25 +0000 |
| commit | e1b78916a4b8d96475ebaa0033860c706702fe49 (patch) | |
| tree | 7f91e449007a1047faa2d9f2c7a89b4278636efe /sys/kern/tty_cons.c | |
| parent | aafdab57f3e07a14467e840e7ba559b810eaef68 (diff) | |
| download | FreeBSD-src-e1b78916a4b8d96475ebaa0033860c706702fe49.zip FreeBSD-src-e1b78916a4b8d96475ebaa0033860c706702fe49.tar.gz | |
if there is no console, cngetc should act like getc and return -1
make callers aware of this in those cases where it can occur.
Diffstat (limited to 'sys/kern/tty_cons.c')
| -rw-r--r-- | sys/kern/tty_cons.c | 6 |
1 files changed, 3 insertions, 3 deletions
diff --git a/sys/kern/tty_cons.c b/sys/kern/tty_cons.c index 38a0898..26d6874 100644 --- a/sys/kern/tty_cons.c +++ b/sys/kern/tty_cons.c @@ -36,7 +36,7 @@ * SUCH DAMAGE. * * from: @(#)cons.c 7.2 (Berkeley) 5/9/91 - * $Id: cons.c,v 1.47 1996/09/14 04:25:32 bde Exp $ + * $Id: cons.c,v 1.48 1996/10/16 00:19:38 julian Exp $ */ #include <sys/param.h> @@ -90,7 +90,7 @@ static dev_t cn_dev_t; SYSCTL_OPAQUE(_machdep, CPU_CONSDEV, consdev, CTLTYPE_OPAQUE|CTLFLAG_RD, &cn_dev_t, sizeof cn_dev_t, "T,dev_t", ""); static int cn_mute; -SYSCTL_INT(_kern, KERN_CONSMUTE, consmute, CTLFLAG_RW, &cn_mute, 0, ""); +SYSCTL_INT(_kern, OID_AUTO, consmute, CTLFLAG_RW, &cn_mute, 0, ""); int cons_unavail = 0; /* XXX: * physical console not available for @@ -302,7 +302,7 @@ cngetc() { int c; if ((cn_tab == NULL) || cn_mute) - return (0); + return (-1); c = (*cn_tab->cn_getc)(cn_tab->cn_dev); if (c == '\r') c = '\n'; /* console input is always ICRNL */ return (c); |
