4D v14.3

CLEAR SEMAPHORE

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4D v14.3
4D Language Reference
Process (Communications)
CLEAR SEMAPHORE

CLEAR SEMAPHORE 


 

CLEAR SEMAPHORE ( semaphore ) 
Parameter Type   Description
semaphore  String in Semaphore to clear

CLEAR SEMAPHORE erases semaphore previously set by the Semaphore function.

As a rule, all semaphores that have been created should be cleared. If semaphores are not cleared, they remain in memory until the process that creates them ends. A process can only clear semaphores that it has created. If you try to clear a semaphore from within a process that did not create it, nothing happens.

Example  

See the example for Semaphore.

 
PROPERTIES 

Product: 4D
Theme: Process (Communications)
Number: 144

 
HISTORY 

Created: < 4D v6

 
SEE ALSO 

Semaphore

 
ARTICLE USAGE

4D Language Reference ( 4D v12.4)
4D Language Reference ( 4D v11 SQL Release 6)
4D Language Reference ( 4D v14 R3)
4D Language Reference ( 4D v14 R2)
4D Language Reference ( 4D v13.5)
4D Language Reference ( 4D v14.3)
4D Language Reference ( 4D v14 R4)