[Freeswitch-users] Use of esl_recv_event

Telium Technical Support support at telium.io
Sat Nov 13 01:31:42 UTC 2021

I'm looking at how to use the esl_recv_event function in esl.c and the docs
are missing some details.  Could someone tell me:


1.       Do I have to lock a mutex before accessing this function (since it
dequeues an event)

2.       The third parameter is a ptr to a ptr to a struct.  So, do I have
to allocate a struct before calling (to get the data)?  Or will the lib
allocate the struct and I have to free it?


Comments from esl.c:



    \brief Poll the handle's socket until an event is received or a
connection error occurs 

    \param handle Handle to poll

    \param check_q If set to 1, will check the handle queue
(handle->race_event) and return the last event from it

    \param[out] save_event If this is not NULL, will return the event


ESL_DECLARE(esl_status_t) esl_recv_event(esl_handle_t *handle, int check_q,
esl_event_t **save_event);


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