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Reference for unit 'System' (#rtl)

SemaphoreWait

Wait for semaphore to become available

Declaration

Source position: threadh.inc line 180

procedure SemaphoreWait(

const sem: Pointer

);

SemaphoreWait waits (indefinitely) for the semaphore FSem to become available.

The use of semaphores requires thread support (use #rtl.cthreads unit on unices).

If no thread support is compiled in, then calling this function will result in a run-time error 232.

#rtl.cthreads		Initialize the thread manager with a POSIX thread manager
SemaphoreInit		Create a new semaphore
SemaphorePost		Make semaphore available
SemaphoreDestroy		Destroy a semaphore