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# Copyright(c) 1986 Association of Universities for Research in Astronomy Inc.
include "tty.h"
# TTYDELAY -- Output a sequence of pad characters to create a delay, giving
# the terminal time to complete some operation before being passed the next
# request.
procedure ttydelay (fd, tty, delay)
int fd # output file
pointer tty # tty descriptor
int delay # desired milliseconds of delay
int padchar, npadchars
real msec_per_char
int and()
begin
# Add padding if needed to generate delay. (8 = nbits per char,
# baud is in units of bits per second).
if (delay > 0 && T_BAUD(tty) > 0) {
padchar = and (T_PADCHAR(tty), 177B)
msec_per_char = real(8 * 1000) / real(T_BAUD(tty))
npadchars = int (delay / msec_per_char + 0.5)
for (; npadchars > 0; npadchars = npadchars - 1)
call putci (fd, padchar)
}
end
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