On Thu, 19 Dec 2024 at 19:39, Eliot Moss <m...@cs.umass.edu> wrote: > > On 12/19/2024 11:38 AM, Cedric Blancher via Cygwin wrote: > > Good afternoon! > > > > 2 bugs with SCHED_IDLE support in Cygwin 3.6 after SCHED_IDLE support was > > added: > > > > 1. /bin/chrt does not list SCHED_IDLE > > $ chrt --max > > SCHED_OTHER min/max priority : 0/0 > > SCHED_FIFO min/max priority : 1/32 > > SCHED_RR min/max priority : 1/32 > > > > 2. Prio 0 does not work: > > chrt --idle 0 bash -c 'do something' gives an error in Cygwin 3.6, but > > works on Linux and other Oses > > > > Ced > > I wonder if this note from the man page is relevant: > > "Only SCHED_FIFO, SCHED_OTHER and SCHED_RR are part of POSIX 1003.1b Process > Scheduling. The other scheduling attributes > may be ignored on some systems." > > Of course is SCHED_IDLE was advertised as being available, this does seem to > be a bug (I see it on my system as well). > > I was able to use some commands under WSL (presumably more Linux-y), but none > at all on Cygwin.
https://cygwin.com/git/?p=newlib-cygwin.git;a=commit;h=61c2f075cd55d4a52b4713383f75870c1e416923 added SCHED_IDLE support for Cygwin 3.6. It should work. Ced -- Cedric Blancher <cedric.blanc...@gmail.com> [https://plus.google.com/u/0/+CedricBlancher/] Institute Pasteur -- Problem reports: https://cygwin.com/problems.html FAQ: https://cygwin.com/faq/ Documentation: https://cygwin.com/docs.html Unsubscribe info: https://cygwin.com/ml/#unsubscribe-simple
