blob: 6db3e3ba46b2428e8ecc89ae5d7b424031996801 (
plain)
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
|
/* Determine calling thread's scheduling parameters. Linux version.
Copyright (C) 2014-2020 Free Software Foundation, Inc.
This file is part of the GNU C Library.
The GNU C Library is free software; you can redistribute it and/or
modify it under the terms of the GNU Library General Public License as
published by the Free Software Foundation; either version 2 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
Library General Public License for more details.
You should have received a copy of the GNU Library General Public
License along with the GNU C Library; see the file COPYING.LIB. If
not, see <https://www.gnu.org/licenses/>. */
#include <sysdep.h>
/* This should fill in PD->schedpolicy if PD->flags does not contain
ATTR_FLAG_POLICY_SET, and set it; and PD->schedparam if PD->flags does
not contain ATTR_FLAG_SCHED_SET, and set it. It won't be called at all
if both bits are already set. */
static void
collect_default_sched (struct pthread *pd)
{
if ((pd->flags & ATTR_FLAG_POLICY_SET) == 0)
{
pd->schedpolicy = INTERNAL_SYSCALL_CALL (sched_getscheduler, 0);
pd->flags |= ATTR_FLAG_POLICY_SET;
}
if ((pd->flags & ATTR_FLAG_SCHED_SET) == 0)
{
INTERNAL_SYSCALL_CALL (sched_getparam, 0, &pd->schedparam);
pd->flags |= ATTR_FLAG_SCHED_SET;
}
}
|
