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/* Helper code for POSIX timer implementation on NPTL.
Copyright (C) 2000-2021 Free Software Foundation, Inc.
This file is part of the GNU C Library.
Contributed by Kaz Kylheku <kaz@ashi.footprints.net>.
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; see the file COPYING.LIB. If
not, see <https://www.gnu.org/licenses/>. */
#ifndef _TIMER_ROUTINES_H
#define _TIMER_ROUTINES_H 1
#include <internaltypes.h>
#include <string.h>
/* Compare two pthread_attr_t thread attributes for exact equality.
Returns 1 if they are equal, otherwise zero if they are not equal
or contain illegal values. This version is NPTL-specific for
performance reason. One could use the access functions to get the
values of all the fields of the attribute structure. */
static inline int
thread_attr_compare (const pthread_attr_t *left, const pthread_attr_t *right)
{
struct pthread_attr *ileft = (struct pthread_attr *) left;
struct pthread_attr *iright = (struct pthread_attr *) right;
return (ileft->flags == iright->flags
&& ileft->schedpolicy == iright->schedpolicy
&& (ileft->schedparam.sched_priority
== iright->schedparam.sched_priority)
&& ileft->guardsize == iright->guardsize
&& ileft->stackaddr == iright->stackaddr
&& ileft->stacksize == iright->stacksize
&& ((ileft->cpuset == NULL && iright->cpuset == NULL)
|| (ileft->cpuset != NULL && iright->cpuset != NULL
&& ileft->cpusetsize == iright->cpusetsize
&& memcmp (ileft->cpuset, iright->cpuset,
ileft->cpusetsize) == 0)));
}
#endif /* timer_routines.h */
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