Re: who wakes the sendsms thread

There are usually two threads on AT driver. One sitting on the device  
to READ. So its waiting in a poll call until some data arrives to be  
read. The other sits on a list and waits until bearerbox main driver  
puts something in it and wakes the thread by doing that.

On 20.08.2006, at 09:04, Akshat Choudhary wrote:

> Hi,
>
> I am a new user of kannel. I am using kannel with a GSM modem, but  
> I have noticed this one issue. Suppose I try and send a message  
> using "sendsms" the message is sent only after some irregular  
> interval. But, if I send a sms from my mobile, to which the reply  
> is sent using "sendsms" the message is sent immediately. Also any  
> other queued messages are sent at that time too.
>
> Now I tried looking into the code and was lost in this maze of  
> threads and locks. On further inspection I figured that the  
> "at2_device_thread" blocks but was unable to figure out the event  
> which will unblock this thread, leading to the message being sent.
>
> Please help. Also any architecture guide giving details of the  
> threads and the locks will be very helpful.
>
> Thanks,
> akshat






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