diff options
| author | Jeff Dike <jdike@addtoit.com> | 2006-01-06 00:18:58 -0800 |
|---|---|---|
| committer | Linus Torvalds <torvalds@g5.osdl.org> | 2006-01-06 08:33:46 -0800 |
| commit | e4dcee8099802c71437a15b940f66106d9f88b2f (patch) | |
| tree | b4831639d38369fce2e20fd40730425ca702102c /arch/um/drivers/chan_kern.c | |
| parent | 9159c9dfffe1746d58b015ceaa3b7b8e99ee9d5c (diff) | |
| download | linux-e4dcee8099802c71437a15b940f66106d9f88b2f.tar.gz | |
[PATCH] uml: Add throttling to console driver
This patch adds support for throttling and unthrottling input when the tty
driver can't handle it.
Signed-off-by: Jeff Dike <jdike@addtoit.com>
Cc: Paolo 'Blaisorblade' Giarrusso <blaisorblade@yahoo.it>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
Diffstat (limited to 'arch/um/drivers/chan_kern.c')
| -rw-r--r-- | arch/um/drivers/chan_kern.c | 26 |
1 files changed, 26 insertions, 0 deletions
diff --git a/arch/um/drivers/chan_kern.c b/arch/um/drivers/chan_kern.c index 36df55ad64c2e1..cd13b91b9ff6a9 100644 --- a/arch/um/drivers/chan_kern.c +++ b/arch/um/drivers/chan_kern.c @@ -312,6 +312,32 @@ void close_chan(struct list_head *chans, int delay_free_irq) } } +void deactivate_chan(struct list_head *chans, int irq) +{ + struct list_head *ele; + + struct chan *chan; + list_for_each(ele, chans) { + chan = list_entry(ele, struct chan, list); + + if(chan->enabled && chan->input) + deactivate_fd(chan->fd, irq); + } +} + +void reactivate_chan(struct list_head *chans, int irq) +{ + struct list_head *ele; + struct chan *chan; + + list_for_each(ele, chans) { + chan = list_entry(ele, struct chan, list); + + if(chan->enabled && chan->input) + reactivate_fd(chan->fd, irq); + } +} + int write_chan(struct list_head *chans, const char *buf, int len, int write_irq) { |