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NAME

AttemptSemaphore: try to obtain without blocking

SYNOPSIS

success = AttemptSemaphore(signalSemaphore)
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LONG AttemptSemaphore(struct SignalSemaphore *);

FUNCTION

This call is similar to ObtainSemaphore(), except that it will not block if the semaphore could not be locked.

NOTES

This call does NOT preserve registers.

INPUTS

signalSemaphore: an initialized signal semaphore structure

RESULT

success: TRUE if the semaphore was locked, false if some other Task already possessed the semaphore.

SEE ALSO

ObtainSemaphore() ObtainSemaphoreShared(), ReleaseSemaphore(), exec/semaphores.i, exec/semaphores.h