2018-02-18 02:00:50 +00:00
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/* Helper code for POSIX timer implementation on NPTL.
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2019-01-01 00:11:28 +00:00
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Copyright (C) 2000-2019 Free Software Foundation, Inc.
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2018-02-18 02:00:50 +00:00
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This file is part of the GNU C Library.
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Contributed by Kaz Kylheku <kaz@ashi.footprints.net>.
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The GNU C Library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Lesser General Public License as
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published by the Free Software Foundation; either version 2.1 of the
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License, or (at your option) any later version.
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The GNU C Library is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public
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License along with the GNU C Library; see the file COPYING.LIB. If
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not, see <http://www.gnu.org/licenses/>. */
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#ifndef _TIMER_ROUTINES_H
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#define _TIMER_ROUTINES_H 1
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#include <internaltypes.h>
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#include <string.h>
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/* Compare two pthread_attr_t thread attributes for exact equality.
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Returns 1 if they are equal, otherwise zero if they are not equal
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or contain illegal values. This version is NPTL-specific for
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performance reason. One could use the access functions to get the
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values of all the fields of the attribute structure. */
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static inline int
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thread_attr_compare (const pthread_attr_t *left, const pthread_attr_t *right)
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{
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struct pthread_attr *ileft = (struct pthread_attr *) left;
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struct pthread_attr *iright = (struct pthread_attr *) right;
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return (ileft->flags == iright->flags
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&& ileft->schedpolicy == iright->schedpolicy
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&& (ileft->schedparam.sched_priority
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== iright->schedparam.sched_priority)
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&& ileft->guardsize == iright->guardsize
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&& ileft->stackaddr == iright->stackaddr
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&& ileft->stacksize == iright->stacksize
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&& ((ileft->cpuset == NULL && iright->cpuset == NULL)
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|| (ileft->cpuset != NULL && iright->cpuset != NULL
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&& ileft->cpusetsize == iright->cpusetsize
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&& memcmp (ileft->cpuset, iright->cpuset,
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ileft->cpusetsize) == 0)));
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}
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#endif /* timer_routines.h */
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