View source for Xojo.Threading.Semaphore

{{Deprecated | version=2020r2 | replacement=[[Semaphore]]}}
{{ClassBox
| super=[[Object]]
| scope=global
}}
{{Description
| text=Used to coordinate access to a shared resource.}}

<dynamicTable id="Methods" class="methodTable" title="Methods" columns="3">
{{Method | name=Release | description=Release&#10;Call Release to give a locked resource back to the Semaphore.}}
{{Method | name=Signal | description=Signal&#10;Call Signal to obtain a lock on a resource, blocking until it does. Once you are done with the shared resource, call Release to decrement the internal counter.}}
{{Method | name=TrySignal | description=TrySignal As Boolean&#10;Determines whether there is a lock available. If there is a lock available, you are granted the lock and TrySignal returns True.}}
</dynamicTable>

<dynamicTable id="Constructors" class="methodTable" title="Constructors" columns="1">
{{Ctor |  params=Optional numResources As Integer = 1 | description=Creates a semaphore with an initial count of resources to track. }}
</dynamicTable>

== See Also ==
[[Xojo.Threading.CriticalSection]], [[Xojo.Threading.Thread]] classes

[[Category:iOS]]