ot::Notifier::RegisterCallback() method

Registers an `otStateChangedCallback` handler.

Syntax

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Summary

Declaration

Definition

from notifier.hpp:207

Error RegisterCallback(otStateChangedCallback aCallback, void *aContext);

Implemented in notifier.cpp:52

Arguments

Argument

Description

aCallback

A pointer to the handler function that is called to notify of the changes.

aContext

A pointer to arbitrary context information.

Return value

kErrorNone Successfully registered the callback. kErrorAlready The callback was already registered. kErrorNoBufs Could not add the callback due to resource constraints.

References

Code

Location

Error Notifier::RegisterCallback(otStateChangedCallback aCallback, void *aContext)

notifier.cpp:52

Error RegisterCallback(otStateChangedCallback aCallback, void *aContext);

notifier.hpp:207

Call Tree

ot::Notifier::RegisterCallback() calls 3 functions:

ot::Notifier::RegisterCallback()

ot::CallbackBase::Set()

ot::CallbackBase::IsSet() const

ot::CallbackBase::Matches() const

Data Use

ot::Notifier::RegisterCallback() reads 4 variables:

ot::kErrorNone

ot::kErrorNoBufs

ot::kErrorAlready

ot::Notifier::mExternalCallbacks

ot::Notifier::RegisterCallback()

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