Hi Luiz,
>> This patch adds disconnect handling to bt_att, in which
>> io_set_disconnect_handler is used to set up a handler which cancels all
>> pending and queued ATT operations, marks the bt_att structure as invalid
>> and notifies the user via a specialized callback which can be set using
>> bt_att_set_disconnect_cb.
>> ---
>> src/shared/att.c | 62 +++++++++++++++++++++++++++++++++++++++++++++++++++++---
>> src/shared/att.h | 5 +++++
>> 2 files changed, 64 insertions(+), 3 deletions(-)
>>
>> diff --git a/src/shared/att.c b/src/shared/att.c
>> index 0d27dfa..bc856dc 100644
>> --- a/src/shared/att.c
>> +++ b/src/shared/att.c
>> @@ -49,7 +49,11 @@ struct bt_att {
>> int fd;
>> bool close_on_unref;
>> struct io *io;
>> - bool invalid; /* bt_att becomes invalid when a request times out */
>> +
>> + /* bt_att becomes invalid when a request times out or if the physical
>> + * link is disconnected.
>> + */
>> + bool invalid;
>
> Usually this can be done by freeing and setting the io to NULL so it
> is no longer connected.
this might be a simpler way to achieve this. Not having a valid IO around means that we do not have a transport anymore.
Regards
Marcel
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