[#node-KernelNotifications-m_tip_block_cv]
= xref:node.adoc[node]::xref:node/KernelNotifications.adoc[KernelNotifications]::m_tip_block_cv
:relfileprefix: ../../
:mrdocs:

Signaled when the tip‐block state changes.

== Synopsis

Declared in `<node/kernel_notifications.h>`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
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[[guarded_by(0x7f2e33c63658)]]
std::condition_variable m_tip_block_cv;
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