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SemaphoreSlim Constructor (Int32)

.NET Framework 4.5

.NET Framework 4

Initializes a new instance of the SemaphoreSlim class, specifying the initial number of requests that can be granted concurrently.

Namespace: System.Threading
Assembly: mscorlib (in mscorlib.dll)

Syntax

C++

new : 
        initialCount:int -> SemaphoreSlim

Parameters

initialCount: Type: System.Int32
The initial number of requests for the semaphore that can be granted concurrently.

Exceptions

Exception	Condition
ArgumentOutOfRangeException	initialCount is less than 0.

Version Information

.NET Framework

Supported in: 4.5, 4

.NET Framework Client Profile

Supported in: 4

Portable Class Library

Supported in: Portable Class Library

.NET for Windows Store apps

Supported in: Windows 8

Platforms

Windows 8, Windows Server 2012, Windows 7, Windows Vista SP2, Windows Server 2008 (Server Core Role not supported), Windows Server 2008 R2 (Server Core Role supported with SP1 or later; Itanium not supported)

The .NET Framework does not support all versions of every platform. For a list of the supported versions, see .NET Framework System Requirements.

Reference

SemaphoreSlim Class

SemaphoreSlim Overload

System.Threading Namespace

Other Resources

Semaphore and SemaphoreSlim

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