include/machine/_timecounter.h

0001 /* SPDX-License-Identifier: BSD-2-Clause */
0002
0003 /**
0004  * @file
0005  *
0006  * @ingroup RTEMSScoreTimecounter
0007  *
0008  * @brief This header file provides timecounter definitions for the kernel space
0009  *   (_KERNEL is defined before including <sys/time.h>) and RTEMS.
0010  */
0011
0012 /*
0013  * Copyright (C) 2016 embedded brains GmbH & Co. KG
0014  *
0015  * Redistribution and use in source and binary forms, with or without
0016  * modification, are permitted provided that the following conditions
0017  * are met:
0018  * 1. Redistributions of source code must retain the above copyright
0019  *    notice, this list of conditions and the following disclaimer.
0020  * 2. Redistributions in binary form must reproduce the above copyright
0021  *    notice, this list of conditions and the following disclaimer in the
0022  *    documentation and/or other materials provided with the distribution.
0023  *
0024  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
0025  * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
0026  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
0027  * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
0028  * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
0029  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
0030  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
0031  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
0032  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
0033  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
0034  * POSSIBILITY OF SUCH DAMAGE.
0035  */
0036
0037 #ifndef _SYS_TIME_H_
0038 #error "<sys/time.h> must be included first"
0039 #endif /* !_SYS_TIME_H_ */
0040
0041 #ifndef _MACHINE__TIMECOUNTER_H_
0042 #define _MACHINE__TIMECOUNTER_H_
0043
0044 __BEGIN_DECLS
0045 extern volatile time_t _Timecounter_Time_second;
0046 extern volatile int32_t _Timecounter_Time_uptime;
0047 extern struct bintime _Timecounter_Boottimebin;
0048
0049 void   _Timecounter_Binuptime(struct bintime *);
0050 void   _Timecounter_Nanouptime(struct timespec *);
0051 void   _Timecounter_Microuptime(struct timeval *);
0052 void   _Timecounter_Bintime(struct bintime *);
0053 void   _Timecounter_Nanotime(struct timespec *);
0054 void   _Timecounter_Microtime(struct timeval *);
0055 void   _Timecounter_Getbinuptime(struct bintime *);
0056 void   _Timecounter_Getnanouptime(struct timespec *);
0057 void   _Timecounter_Getmicrouptime(struct timeval *);
0058 void   _Timecounter_Getbintime(struct bintime *);
0059 void   _Timecounter_Getnanotime(struct timespec *);
0060 void   _Timecounter_Getmicrotime(struct timeval *);
0061 __END_DECLS
0062
0063 #endif /* _MACHINE__TIMECOUNTER_H_ */