Mark Delany ([EMAIL PROTECTED]) wrote:
....
: In practice I'm told that some select() implementations are buggy in this
: regard and may simply return "writable" if a single byte will fit. I have no
: direct evidence of this though.
I don't think this is the reason for the single byte, because
multiple bytes -are- being passed through the pipe, though only
the first is used for the job index (del_dochan()). At any rate,
a block on a write will affect only qmail-?spawn, not qmail-send,
and qmail-send will eventually unblock the pipe by reading from it.
Should not be a problem making it 2 bytes instead. An alternative
might be, if you don't feel like modifying both qmail-?spawns as
well as qmail-send, to modify only qmail-send to run 2 (or 3 or
more) qmail-rspawns in addition to the one lspawn.
-harold
