1 | ' Classes/System/Threading/Semaphore.ab
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2 |
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3 | Namespace System
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4 | Namespace Threading
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5 |
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6 | Class Semaphore
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7 | Inherits System.Threading.WaitHandle
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8 |
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9 | Public
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10 | Sub Semaphore(initialCount As Long, maximumCount As Long)
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11 | This.Handle(CreateSemaphore(NULL,initialCount,maximumCount,NULL))
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12 | End Sub
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13 | Sub Semaphore(initialCount As Long, maximumCount As Long, name As String)
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14 | This.Handle(CreateSemaphore(NULL,initialCount,maximumCount,ToTCStr(name)))
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15 | End Sub
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16 | Sub Semaphore(initialCount As Long, maximumCount As Long, name As String, ByRef createdNew As Boolean)
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17 | This.Handle(CreateSemaphore(NULL,initialCount,maximumCount,ToTCStr(name)))
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18 | If ERROR_ALREADY_EXISTS=GetLastError() Then createdNew=False Else createdNew=True
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19 | 'Throw ArgumentException
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20 | 'Throw ArgumentOutOfRangeException
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21 | 'Throw IOException
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22 | 'Throw UnauthorizedAccessException
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23 | 'Throw WaitHandleCannotBeOpenedException
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24 | End Sub
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25 | /* Sub Semaphore(initialCount As Long, maximumCount As Long, name As String, ByRef createdNew As Boolean, semaphoreSecurity As SemaphoreSecurity)
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26 | TODO
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27 | End Sub*/
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28 |
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29 | Static Function OpenExisting (name As String) As Semaphore
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30 | This.Handle(OpenSemaphore(SEMAPHORE_ALL_ACCESS,FALSE,ToTCStr(name)))
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31 | 'Throw ArgumentException
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32 | 'Throw ArgumentNullException
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33 | 'Throw WaitHandleCannotBeOpenedException
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34 | 'Throw IOException
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35 | 'Throw UnauthorizedAccessException
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36 | End Function
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37 |
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38 | /* Static Function OpenExisting (String, SemaphoreRights) As Semaphore
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39 | TODO
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40 | End Function*/
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41 |
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42 | Function Release() As Long
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43 | If ReleaseSemaphore(This.Handle(),1,Release) = 0 Then
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44 | 'SemaphoreFullException
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45 | 'IOException
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46 | 'UnauthorizedAccessException
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47 | End If
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48 | End Function
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49 | Function Release(releaseCount As Long) As Long
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50 | If ReleaseSemaphore(This.Handle(),releaseCount,Release) = 0 Then
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51 | 'ArgumentOutOfRangeException
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52 | 'SemaphoreFullException
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53 | 'IOException
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54 | 'UnauthorizedAccessException
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55 | End If
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56 | End Function
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57 |
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58 | End Class
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59 |
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60 | End Namespace 'Threading
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61 | End Namespace 'System
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