[#absl-Mutex-WriterLockWhenWithDeadline]
= xref:absl.adoc[absl]::xref:absl/Mutex.adoc[Mutex]::WriterLockWhenWithDeadline
:relfileprefix: ../../
:mrdocs:

Blocks until `cond` is `true` or the deadline passes, then atomically acquires this `Mutex` in write (exclusive) mode.

== Synopsis

Declared in `<absl/synchronization/mutex.h>`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
bool
WriterLockWhenWithDeadline(
    xref:absl/Condition.adoc[Condition] const& cond,
    xref:absl/Time.adoc[absl::Time] deadline);
----

== Return Value

`true` if `cond` is `true` on return.

== Parameters

[cols="1,4"]
|===
| Name| Description
| *cond*
| The condition to wait for.
| *deadline*
| The absolute time after which to stop waiting.
|===


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