From bd959902bcb2e71b4f3ac72535c4d2fe86f4ce79 Mon Sep 17 00:00:00 2001 From: Samuel Thibault Date: Sat, 7 Feb 2015 22:09:09 +0100 Subject: [PATCH] hurd: map nice levels 1-to-1 with Mach prio levels --- ChangeLog | 3 +++ hurd/hurd/resource.h | 4 ++-- 2 files changed, 5 insertions(+), 2 deletions(-) diff --git a/ChangeLog b/ChangeLog index fa48858..03a987a 100644 --- a/ChangeLog +++ b/ChangeLog @@ -14,6 +14,9 @@ [__USE_MISC] (chflags, fchflags): Declare functions. * hurd/hurdselect.c (_hurd_select): In the poll case, do not return EINVAL when nfds is greater than FD_SETSIZE. + * hurd/hurd/resource.h (MACH_PRIORITY_TO_NICE, + NICE_TO_MACH_PRIORITY): Align nice levels on Mach priorities from 5 to + 45. 2015-02-06 Roland McGrath diff --git a/hurd/hurd/resource.h b/hurd/hurd/resource.h index e43d8e8..e9931e5 100644 --- a/hurd/hurd/resource.h +++ b/hurd/hurd/resource.h @@ -42,8 +42,8 @@ extern error_t _hurd_priority_which_map (enum __priority_which which, int who, /* Convert between Mach priority values and the priority values used by getpriority, setpriority, and nice. */ -#define MACH_PRIORITY_TO_NICE(prio) (2 * ((prio) - 12)) -#define NICE_TO_MACH_PRIORITY(nice) (12 + ((nice) / 2)) +#define MACH_PRIORITY_TO_NICE(prio) ((prio) - 25) +#define NICE_TO_MACH_PRIORITY(nice) ((nice) + 25) -- 2.7.4