[#SYNCHRONIZED_CONST]
= SYNCHRONIZED_CONST
:mrdocs:

NOTE: This API is deprecated. Use lock(), wlock(), rlock() or the withLock functions instead. In the future it will be marked with a deprecation attribute to emit build‐time warnings, and then it will be removed entirely.

== Synopsis

Declared in `<folly/Synchronized.h>`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
#define SYNCHRONIZED_CONST(...)

----

== Description

Similar to SYNCHRONIZED, but only uses a read lock.


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