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| author | avg <avg@FreeBSD.org> | 2011-12-17 15:08:43 +0000 |
|---|---|---|
| committer | avg <avg@FreeBSD.org> | 2011-12-17 15:08:43 +0000 |
| commit | f6def40e18a13286043257337db12d9d78aa545e (patch) | |
| tree | cf89ca64a6042918d5429b9a17cfaa8421be34c2 /sys/dev/cfe | |
| parent | 04ff721cff67dd3e641289f950656b9dbd02d09f (diff) | |
| download | FreeBSD-src-f6def40e18a13286043257337db12d9d78aa545e.zip FreeBSD-src-f6def40e18a13286043257337db12d9d78aa545e.tar.gz | |
kern cons: introduce infrastructure for console grabbing by kernel
At the moment grab and ungrab methods of all console drivers are no-ops.
Current intended meaning of the calls is that the kernel takes control of
console input. In the future the semantics may be extended to mean that
the calling thread takes full ownership of the console (e.g. console
output from other threads could be suspended).
Inspired by: bde
MFC after: 2 months
Diffstat (limited to 'sys/dev/cfe')
| -rw-r--r-- | sys/dev/cfe/cfe_console.c | 14 |
1 files changed, 14 insertions, 0 deletions
diff --git a/sys/dev/cfe/cfe_console.c b/sys/dev/cfe/cfe_console.c index 5a6b0a2..485fd08 100644 --- a/sys/dev/cfe/cfe_console.c +++ b/sys/dev/cfe/cfe_console.c @@ -76,6 +76,8 @@ static cn_init_t cfe_cninit; static cn_term_t cfe_cnterm; static cn_getc_t cfe_cngetc; static cn_putc_t cfe_cnputc; +static cn_grab_t cfe_cngrab; +static cn_ungrab_t cfe_cnungrab; CONSOLE_DRIVER(cfe); @@ -183,6 +185,18 @@ cfe_cnterm(struct consdev *cp) } +static void +cfe_cngrab(struct consdev *cp) +{ + +} + +static void +cfe_cnungrab(struct consdev *cp) +{ + +} + static int cfe_cngetc(struct consdev *cp) { |
