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package require Tcl
package require memchan
The command described here is only available in a not-yet released ver-
sion of the package. Use the CVS to get the sources.
zero creates a zero channel which absorbs everything written into it.
Reading from a zero channel will return the requested number of
null bytes. These channels are essentially Tcl-specific variants
of the zero device for unixoid operating systems (/dev/zero).
Transferring the generated channel between interpreters is pos-
sible but does not make much sense.
Memory channels created by zero provide one additional option to set or
A zero channel is always writable and readable. This means that
all fileevent-handlers will fire continuously. To avoid starva-
tion of other event sources the events raised by this channel
type have a configurable delay. This option is set in millisec-
onds and defaults to 5.
fifo, fifo2, memchan, null, random
channel, i/o, in-memory channel, null, zero
Copyright (c) 2004 Pat Thoyts <firstname.lastname@example.org>
Memory channels 2.2 zero(3tcl)