sms_register_listener()

int sms_register_listener	(	sms_callback_t	listener,
		void *	context
	)

#include <include/modem/sms.h>

Register a new listener to SMS library.

Also registers to modem's SMS service if it is not already subscribed.

A listener is identified by a unique handle value. This handle should be used to unregister the listener. A listener can be registered multiple times with the same or a different context.

Parameters

[in]	listener	Callback function. Cannot be null.
[in]	context	User context. Can be null if not used.

Return values

-EINVAL	Invalid parameter.
-ENOSPC	List of observers is full.
-EBUSY	Indicates that one SMS client has already been registered towards the modem and SMS subscriber module is not able to do it.
-ENOMEM	Out of memory.

Returns

Handle identifying the listener, or a negative value if an error occurred.