MC-Basic:COMMON SHARED ... AS SEMAPHORE

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

Syntax

COMMON SHARED <semaphore name> AS SEMAPHORE

Availability

AllVersions Return Value:           

Scope

Configuration, Task, Terminal

Since AMCS 0.4.5.17 version the global (common shared ) declaration is possible from the Library context also .

Examples

-->common shared sem as semaphore

-->?semtake(sem)

1

-->semgive(sem)

-->

See Also

• SEMAPHOREGIVE
• SEMAPHORETAKE