/*
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* Copyright (C) 2013 Philippe Gerum <rpm@xenomai.org>.
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*
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* This 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
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* License as published by the Free Software Foundation; either
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* version 2 of the License, or (at your option) any later version.
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*
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* This 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 this library; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA.
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*/
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#ifndef _BOILERPLATE_TIME_H
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#define _BOILERPLATE_TIME_H
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#include <time.h>
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typedef unsigned long long ticks_t;
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typedef long long sticks_t;
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#ifdef __cplusplus
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extern "C" {
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#endif
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void timespec_sub(struct timespec *__restrict r,
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const struct timespec *__restrict t1,
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const struct timespec *__restrict t2);
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void timespec_subs(struct timespec *__restrict r,
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const struct timespec *__restrict t1,
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sticks_t t2);
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void timespec_add(struct timespec *__restrict r,
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const struct timespec *__restrict t1,
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const struct timespec *__restrict t2);
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void timespec_adds(struct timespec *__restrict r,
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const struct timespec *__restrict t1,
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sticks_t t2);
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void timespec_sets(struct timespec *__restrict r,
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ticks_t ns);
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#ifdef __cplusplus
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}
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#endif
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static inline sticks_t timespec_scalar(const struct timespec *__restrict t)
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{
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return t->tv_sec * 1000000000LL + t->tv_nsec;
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}
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static inline int __attribute__ ((always_inline))
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timespec_before(const struct timespec *__restrict t1,
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const struct timespec *__restrict t2)
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{
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if (t1->tv_sec < t2->tv_sec)
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return 1;
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if (t1->tv_sec == t2->tv_sec &&
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t1->tv_nsec < t2->tv_nsec)
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return 1;
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return 0;
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}
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static inline int __attribute__ ((always_inline))
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timespec_before_or_same(const struct timespec *__restrict t1,
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const struct timespec *__restrict t2)
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{
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if (t1->tv_sec < t2->tv_sec)
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return 1;
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if (t1->tv_sec == t2->tv_sec &&
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t1->tv_nsec <= t2->tv_nsec)
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return 1;
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return 0;
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}
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static inline int __attribute__ ((always_inline))
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timespec_after(const struct timespec *__restrict t1,
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const struct timespec *__restrict t2)
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{
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return !timespec_before_or_same(t1, t2);
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}
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static inline int __attribute__ ((always_inline))
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timespec_after_or_same(const struct timespec *__restrict t1,
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const struct timespec *__restrict t2)
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{
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return !timespec_before(t1, t2);
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}
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#endif /* _BOILERPLATE_TIME_H */
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