memchan - Create and manipulate memory channels
TABLE OF CONTENTS
SYNOPSIS
DESCRIPTION
COMMAND
SEE ALSO
KEYWORDS
COPYRIGHT
package require Tcl
package require memchan
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This manpage documents both the overall package and the command memchan. The package itself provides a number of in-memory channels which can utilized to
Memory channels created by memchan provide two read-only options which can be queried via the standard fconfigure command. These are
As the channels generated by memchan grow as necessary they are always writable. This means that a writable fileevent-handler will fire continuously.
The channels are also readable if they contain more than zero bytes and the seek location is not and the end of the channel. Under these conditions a readable fileevent-handler will fire continuously.
Note that writing to such a channel usually occurs at the end, thus supressing readable events. This also means that users have to take care to seek the channel to a location before the end before trying to read data back.
fifo, fifo2, null, random, zero
channel, chunk, i/o, in-memory channel, memchan
Copyright © 1996-2003 Andreas Kupries <andreas_kupries@users.sourceforge.net>