Difference between revisions of "MC-Basic:COMMON SHARED ... AS SEMAPHORE"
m (Text replace - "Since AMCS 0.4.5.17 version" to "Since Version 4.5.17") |
m (Text replace - "available since version 4.9.7. " to "Since Version 4.9.7") |
||
| Line 8: | Line 8: | ||
|AVAILABILITY= | |AVAILABILITY= | ||
All Versions<br> | All Versions<br> | ||
| − | Arrays of semaphores are | + | Arrays of semaphores are Since Version 4.9.7 |
|DESCRIPTION= | |DESCRIPTION= | ||
Revision as of 14:38, 20 March 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)
-->