1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
|
/* Copyright (C) 2008 Free Software Foundation, Inc.
This file is part of the GNU C Library.
Contributed by David Bartley <dtbartle@csclub.uwaterloo.ca>, 2008.
The GNU C Library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; either
version 2.1 of the License, or (at your option) any later version.
The GNU C Library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with the GNU C Library; if not, write to the Free
Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
02111-1307 USA. */
#include <sched.h>
#include <schedP.h>
#include <errno.h>
#include <sys/priocntl.h>
int
__sched_get_priority_max (int algorithm)
{
pcpri_t pri;
pri.pc_cid = __sched_policy_to_class (algorithm);
if (pri.pc_cid == -1)
{
__set_errno (EINVAL);
return -1;
}
int result = priocntl (0, 0, PC_GETPRIRANGE, &pri);
if (result != 0)
return -1;
return pri.pc_clpmax;
}
weak_alias (__sched_get_priority_max, sched_get_priority_max)
|