[asterisk-dev] Seeking built-in channel waiter function

[Yaroslav Panych]

I shall be very grateful for demonstration example code.
As far as I analysed sources, ast_waitfor_nandfds(not ast_waitfor) is
my required function,  but still I don't understand how to uses
alertpipe here.

2011/10/6 Kevin P. Fleming <kpfleming at digium.com>:
>
> There are already mechanisms used in Asterisk to do what you want; search
> for 'alertpipe'. We create a pipe and put one end of it on the channel in
> the chan->fds array, and then ast_waitfor() will wake up when data is
> written to that pipe and the caller of ast_waitfor() can check which fd was
> the reason for the wakeup.
>
> --
> Kevin P. Fleming
> Digium, Inc. | Director of Software Technologies
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