mirror of
https://sourceware.org/git/glibc.git
synced 2025-10-28 23:34:53 +03:00
43 lines
1.6 KiB
C
43 lines
1.6 KiB
C
/* Determine calling thread's scheduling parameters. Linux version.
|
|
Copyright (C) 2014-2016 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 <http://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)
|
|
{
|
|
INTERNAL_SYSCALL_DECL (scerr);
|
|
|
|
if ((pd->flags & ATTR_FLAG_POLICY_SET) == 0)
|
|
{
|
|
pd->schedpolicy = INTERNAL_SYSCALL (sched_getscheduler, scerr, 1, 0);
|
|
pd->flags |= ATTR_FLAG_POLICY_SET;
|
|
}
|
|
|
|
if ((pd->flags & ATTR_FLAG_SCHED_SET) == 0)
|
|
{
|
|
INTERNAL_SYSCALL (sched_getparam, scerr, 2, 0, &pd->schedparam);
|
|
pd->flags |= ATTR_FLAG_SCHED_SET;
|
|
}
|
|
}
|