Tcl Library Source Code: View Ticket

Ticket UUID:	104809e450a5988162890bdbc654e0f6bf555a41
Title:	[coroutine::util read] swallows data when the channel becomes blocked
Type:	Bug	Version:
Submitter:	pooryorick	Created on:	2017-09-20 09:58:07
Subsystem:	(unused)	Assigned To:
Priority:	5 Medium	Severity:	Critical
Status:	Closed	Last Modified:	2017-09-20 13:53:32
Resolution:	Fixed	Closed By:	pooryorick
		Closed on:	2017-09-20 13:53:32
Description:	When a channel is in non-blocking mode `::chan read` may return some data but then also cause a subsequent `chan blocked` to return `1`. `::coroutine::util read` currently fails to account for this scenario, and the data that was just read is swallowed.