Arguments:
Sigio handling is not supported on Windows.
Initializes sigio handling. Note that SIGIO handlers will only work if the sigio interface is available, as indicated by the return value of the function sigio-supported-p. See set-sigio-handler.
Note that only input signals are available to Allegro CL. (Output signals are filtered out.) Note too that SIGIO handlers will only work if the sigio interface is available, as indicated by the return value of the function sigio-supported-p.
The documentation is described in introduction.htm and the index is in index.htm.
Copyright (c) 1998-2000, Franz Inc. Berkeley, CA., USA. All rights reserved.
Created 2000.10.5.