[#BloombergLP-bslmt-QLockGuard-lock-0f]
= xref:BloombergLP.adoc[BloombergLP]::xref:BloombergLP/bslmt.adoc[bslmt]::xref:BloombergLP/bslmt/QLockGuard.adoc[QLockGuard]::lock
:relfileprefix: ../../../
:mrdocs:

`lock` overloads

== Synopses

Declared in `<bslmt_qlock.h>`

Acquire a lock on the associated `QLock` object. If the `lock` is not free, block until it can be acquired. The behavior is undefined if the calling thread already owns the lock on the QLock.


[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
void
xref:BloombergLP/bslmt/QLockGuard/lock-0a.adoc[lock]();
----

[.small]#xref:BloombergLP/bslmt/QLockGuard/lock-0a.adoc[_» more..._]#

Associate this guard with the specified `qlock` and acquire the lock. If the `lock` is not free, block until it can be acquired. The behavior is undefined if the calling thread already owns the lock on `qlock` or if this object is in the locked state.


[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
void
xref:BloombergLP/bslmt/QLockGuard/lock-0c.adoc[lock](xref:BloombergLP/bslmt/QLock.adoc[QLock]* qlock);
----

[.small]#xref:BloombergLP/bslmt/QLockGuard/lock-0c.adoc[_» more..._]#


[.small]#Created with https://www.mrdocs.com[MrDocs]#