[#Chainstate-m_chainstate_mutex]
= xref:Chainstate.adoc[Chainstate]::m_chainstate_mutex
:relfileprefix: ../
:mrdocs:

The ChainState Mutex A lock that must be held when modifying this ChainState ‐ held in ActivateBestChain() and InvalidateBlock()

== Synopsis

Declared in `<validation.h>`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
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xref:Mutex.adoc[Mutex] m_chainstate_mutex;
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