FGCOM/dahdi-linux
2
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

dahdi: Remove interruptible_sleep_on() calls for WINK/FLASH.

Browse Source 
Makes it a little more clear what it is we're really waiting for.

Signed-off-by: Shaun Ruffell <sruffell@digium.com>
Acked-by: Russ Meyerreicks <rmeyerreicks@digium.com>

git-svn-id: http://svn.asterisk.org/svn/dahdi/linux/trunk@9547 a0bf4364-ded3-4de4-8d8a-66a801d63aff
This commit is contained in:
Shaun Ruffell 2010-12-21 16:09:17 +00:00
parent 492315c255
commit 74fff81da4
1 changed files with 16 additions and 2 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

18
drivers/dahdi/dahdi-base.c
View File

@ -5574,6 +5574,18 @@ static void set_echocan_fax_mode(struct dahdi_chan *chan, unsigned int channo, c
}
}
static inline bool
is_txstate(struct dahdi_chan *const chan, const int txstate)
{
bool ret;
unsigned long flags;
spin_lock_irqsave(&chan->lock, flags);
ret = (txstate == chan->txstate);
spin_unlock_irqrestore(&chan->lock, flags);
return ret;
}
static int dahdi_chan_ioctl(struct file *file, unsigned int cmd, unsigned long data)
{
struct dahdi_chan *const chan = chan_from_file(file);
@ -5905,7 +5917,8 @@ static int dahdi_chan_ioctl(struct file *file, unsigned int cmd, unsigned long d
spin_unlock_irqrestore(&chan->lock, flags);
if (file->f_flags & O_NONBLOCK)
return -EINPROGRESS;
interruptible_sleep_on(&chan->txstateq);
wait_event_interruptible(chan->txstateq,
is_txstate(chan, DAHDI_TXSIG_ONHOOK));
if (signal_pending(current))
return -ERESTARTSYS;
break;
@ -5919,7 +5932,8 @@ static int dahdi_chan_ioctl(struct file *file, unsigned int cmd, unsigned long d
spin_unlock_irqrestore(&chan->lock, flags);
if (file->f_flags & O_NONBLOCK)
return -EINPROGRESS;
interruptible_sleep_on(&chan->txstateq);
wait_event_interruptible(chan->txstateq,
is_txstate(chan, DAHDI_TXSIG_OFFHOOK));
if (signal_pending(current))
return -ERESTARTSYS;
break;