[#BloombergLP-bdls-FdStreamBuf_FileHandler-release]
= xref:BloombergLP.adoc[BloombergLP]::xref:BloombergLP/bdls.adoc[bdls]::xref:BloombergLP/bdls/FdStreamBuf_FileHandler.adoc[FdStreamBuf_FileHandler]::release
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Disassociate this file handler from any file descriptor with which it may be associated without closing that file descriptor. This method succeeds with no effect if `isOpened` was `false`. Note that `fileDescriptor` is `FilesystemUtil::k_INVALID_FD` after this call.

== Synopsis

Declared in `<bdls_fdstreambuf.h>`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
void
release();
----


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