Difference between revisions of "MC-Basic:COMMON SHARED ... AS SEMAPHORE"

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m (Miborich moved page Axystems:MC-Basic:COMMON SHARED ... AS SEMAPHORE to MC-Basic:COMMON SHARED ... AS SEMAPHORE: Global renaming of Axystems: namespace into (Main):)
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|SEE ALSO=
 
|SEE ALSO=
* [[Axystems:MC-Basic:SEMAPHOREGIVE|SEMAPHOREGIVE]]
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* [[MC-Basic:SEMAPHOREGIVE|SEMAPHOREGIVE]]
 
* [[Axystems:MC-Basic:SEMAPHORETAKE|SEMAPHORETAKE]]
 
* [[Axystems:MC-Basic:SEMAPHORETAKE|SEMAPHORETAKE]]
  
 
[[Category:Axystems:MC-Basic:Declarations|COMMON SHARED ... AS SEMAPHORE]]
 
[[Category:Axystems:MC-Basic:Declarations|COMMON SHARED ... AS SEMAPHORE]]
 
}}
 
}}

Revision as of 08:40, 22 May 2014

Defines new semaphore variables in the system. There are only two function for accessing this variable type: SEMTAKE and SEMGIVE. No other operations (e.g., printing, arguments) are allowed with this data type.

Syntax

COMMON SHARED <semaphore name> AS SEMAPHORE

Availability

All versions
Arrays of semaphores are Since Version 4.9.7         

Scope

Configuration, Task, Terminal

Since Version 4.5.17 the global (common shared ) declaration is also possible from the Library context.

Examples

-->common shared sem as semaphore
-->?semtake(sem)
1
-->semgive(sem)
-->

See Also