[#BloombergLP-bslmt-RWMutexImpl-0e]
= xref:BloombergLP.adoc[BloombergLP]::xref:BloombergLP/bslmt.adoc[bslmt]::xref:BloombergLP/bslmt/RWMutexImpl-0d.adoc[RWMutexImpl]<xref:BloombergLP/bslmt/Platform/PosixThreads.adoc[Platform::PosixThreads]>
:relfileprefix: ../../
:mrdocs:

This is a platform‐specific implementation detail that is not intended for use outside of this component. Use the `RWMutex` class instead. This structure is a wrapper around a POSIX RW lock on Sun (on AIX the POSIX RW lock has poor performance and no writer guarantees).

== Synopsis

Declared in `<bslmt_rwmutex.h>`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
template<>
struct xref:BloombergLP/bslmt/RWMutexImpl-0d.adoc[RWMutexImpl]<xref:BloombergLP/bslmt/Platform/PosixThreads.adoc[Platform::PosixThreads]>;
----

== Member Functions

[cols="1"]
|===
| Name
| xref:BloombergLP/bslmt/RWMutexImpl-0e/2constructor.adoc[`RWMutexImpl`]         [.small]#[constructor]#
| xref:BloombergLP/bslmt/RWMutexImpl-0e/2destructor.adoc[`~RWMutexImpl`] [.small]#[destructor]#
| xref:BloombergLP/bslmt/RWMutexImpl-0e/lockRead.adoc[`lockRead`] 
| xref:BloombergLP/bslmt/RWMutexImpl-0e/lockWrite.adoc[`lockWrite`] 
| xref:BloombergLP/bslmt/RWMutexImpl-0e/tryLockRead.adoc[`tryLockRead`] 
| xref:BloombergLP/bslmt/RWMutexImpl-0e/tryLockWrite.adoc[`tryLockWrite`] 
| xref:BloombergLP/bslmt/RWMutexImpl-0e/unlock.adoc[`unlock`] 
|===



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