Commit 11c478b5 authored by Niklas Hambüchen's avatar Niklas Hambüchen Committed by Ben Gamari

rts: Update comment about FreeBSD's unsigned FD_SETSIZE

Reviewers: bgamari, austin, erikd, simonmar

Reviewed By: bgamari

Subscribers: rwbarton, thomie

Differential Revision: https://phabricator.haskell.org/D3957
parent 66240c9b
......@@ -256,9 +256,14 @@ awaitEvent(bool wait)
for(tso = blocked_queue_hd; tso != END_TSO_QUEUE; tso = next) {
next = tso->_link;
/* On FreeBSD FD_SETSIZE is unsigned. Cast it to signed int
/* On older FreeBSDs, FD_SETSIZE is unsigned. Cast it to signed int
* in order to switch off the 'comparison between signed and
* unsigned error message
* Newer versions of FreeBSD have switched to unsigned int:
* https://github.com/freebsd/freebsd/commit/12ae7f74a071f0439763986026525094a7032dfd
* http://fa.freebsd.cvs-all.narkive.com/bCWNHbaC/svn-commit-r265051-head-sys-sys
* So the (int) cast should be removed across the code base once
* GHC requires a version of FreeBSD that has that change in it.
*/
switch (tso->why_blocked) {
case BlockedOnRead:
......
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