NAME FreeSignal -- free a signal bit SYNOPSIS FreeSignal(signalNum) D0 void FreeSignal(BYTE); FUNCTION This function frees a previously allocated signal bit for reuse. This call must be performed while running in the same task in which the signal was allocated. WARNING Signals may not be allocated or freed from exception handling code. NOTE Starting with V37, an attempt to free signal -1 is harmless. INPUTS signalNum - the signal number to free {0..31}.
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