Gambas-Dokumentation

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LOCK

Stream = LOCK Path

Use the specified Path to create a system-global lock.

If the specified file is already locked by another process, then the command fails.

Lock file contents is not important, as acquiring the lock voids it.

Beispiel

DIM hLock AS Stream
' Try to acquire the lock
TRY hLock = LOCK "~/my-lock"
IF ERROR THEN
PRINT "Locked is already acquired. Try again later."
RETURN
ENDIF
' File is locked, you can do the job now!
...
' Do not forget to release the lock
UNLOCK hLock

Siehe auch

UNLOCK, Stream & Input/Output functions