[#UniqueLock-2constructor-0c]
= xref:UniqueLock.adoc[UniqueLock]::UniqueLock
:relfileprefix: ../
:mrdocs:

Acquire a lock on the given mutex pointer, doing nothing if it is null.

== Synopsis

Declared in `<sync.h>`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
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UniqueLock(
    MutexType* pmutexIn,
    char const* pszName,
    char const* pszFile,
    int nLine,
    bool fTry = false);
----

== Parameters

[cols="1,4"]
|===
| Name| Description
| *pmutexIn*
| Mutex to lock, or null to construct an empty lock.
| *pszName*
| Name of the mutex.
| *pszFile*
| Source file of the caller.
| *nLine*
| Source line of the caller.
| *fTry*
| Whether to attempt a non‐blocking try‐lock instead of blocking.
|===


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