mirror of
https://sourceware.org/git/glibc.git
synced 2024-11-21 20:40:05 +00:00
d12506b2db
This commit also moves the aio_misc and aio_sigquue helper, so GLIBC_PRIVATE exports need to be added. The symbol was moved using scripts/move-symbol-to-libc.py. Reviewed-by: Adhemerval Zanella <adhemerval.zanella@linaro.org>
75 lines
2.3 KiB
C
75 lines
2.3 KiB
C
/* Copyright (C) 2002-2021 Free Software Foundation, Inc.
|
|
This file is part of the GNU C Library.
|
|
Contributed by Ulrich Drepper <drepper@redhat.com>, 2002.
|
|
|
|
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, see
|
|
<https://www.gnu.org/licenses/>. */
|
|
|
|
#include <errno.h>
|
|
#include <string.h>
|
|
#include "pthreadP.h"
|
|
#include <lowlevellock.h>
|
|
|
|
|
|
int
|
|
__pthread_getschedparam (pthread_t threadid, int *policy,
|
|
struct sched_param *param)
|
|
{
|
|
struct pthread *pd = (struct pthread *) threadid;
|
|
|
|
/* Make sure the descriptor is valid. */
|
|
if (INVALID_TD_P (pd))
|
|
/* Not a valid thread handle. */
|
|
return ESRCH;
|
|
|
|
int result = 0;
|
|
|
|
/* See CREATE THREAD NOTES in nptl/pthread_create.c. */
|
|
lll_lock (pd->lock, LLL_PRIVATE);
|
|
|
|
/* The library is responsible for maintaining the values at all
|
|
times. If the user uses an interface other than
|
|
pthread_setschedparam to modify the scheduler setting it is not
|
|
the library's problem. In case the descriptor's values have
|
|
not yet been retrieved do it now. */
|
|
if ((pd->flags & ATTR_FLAG_SCHED_SET) == 0)
|
|
{
|
|
if (__sched_getparam (pd->tid, &pd->schedparam) != 0)
|
|
result = 1;
|
|
else
|
|
pd->flags |= ATTR_FLAG_SCHED_SET;
|
|
}
|
|
|
|
if ((pd->flags & ATTR_FLAG_POLICY_SET) == 0)
|
|
{
|
|
pd->schedpolicy = __sched_getscheduler (pd->tid);
|
|
if (pd->schedpolicy == -1)
|
|
result = 1;
|
|
else
|
|
pd->flags |= ATTR_FLAG_POLICY_SET;
|
|
}
|
|
|
|
if (result == 0)
|
|
{
|
|
*policy = pd->schedpolicy;
|
|
memcpy (param, &pd->schedparam, sizeof (struct sched_param));
|
|
}
|
|
|
|
lll_unlock (pd->lock, LLL_PRIVATE);
|
|
|
|
return result;
|
|
}
|
|
libc_hidden_def (__pthread_getschedparam)
|
|
strong_alias (__pthread_getschedparam, pthread_getschedparam)
|