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Diffstat (limited to 'man/9/send')
| -rw-r--r-- | man/9/send | 38 |
1 files changed, 38 insertions, 0 deletions
diff --git a/man/9/send b/man/9/send new file mode 100644 index 00000000..2f1cee9a --- /dev/null +++ b/man/9/send @@ -0,0 +1,38 @@ +.TH SEND 9 +.SH NAME +send \- send a value down a Tk channel +.SH SYNOPSIS +\f5send \fIchan\fP \fIstring\fP +.SH DESCRIPTION +.B Send +is the gateway from the Tk world into the Limbo world. +It sends +.I string +down +.IR chan , +which should previously have been named with a call to +.B namechan +(see +.IR tk (2)). +Tk channels are non blocking, so the call will return immediately, +whether the message has been sent or not. If too many messages +have been queued on the +.IR chan , +then the message will be +discarded, and a warning printed on the console. +.I String +is not subject to interpretation by the usual Tk quoting rules. +.SH BUGS +.I String +is not subject to interpretation by the usual Tk quoting rules. +This means, for example that: +.EX + radiobutton .x -text X -variable x -value x + radiobutton .y -text Y -variable y -value y + button .z -text Submit {send chan submit [variable X]} +.EE +will not work as expected. Instead, one must interrogate values +directly in Limbo. +.PP +The specialised queued channels will be replaced by buffered channels in Limbo in +a future edition of Inferno. |