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123 lines
4.2 KiB
C
123 lines
4.2 KiB
C
/*
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* Copyright (c) 2017-2019 Texas Instruments Incorporated - http://www.ti.com
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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*
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* * Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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*
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* * Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* * Neither the name of Texas Instruments Incorporated nor the names of
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* its contributors may be used to endorse or promote products derived
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* from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
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* THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
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* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
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* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
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* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
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* OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
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* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
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* OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE,
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* EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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/*
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* ======== time.h ========
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*/
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#ifndef ti_posix_gcc_time__include
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#define ti_posix_gcc_time__include
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/* compiler vendor check */
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#ifndef __GNUC__
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#error Incompatible compiler: use this include path (.../ti/posix/gcc) only with a GNU compiler. You appear to be using a different compiler.
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#endif
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#include <stddef.h>
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#include <stdint.h>
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/* include compiler time.h */
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#include <../include/time.h>
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#include "signal.h"
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#include "sys/types.h"
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#ifdef __cplusplus
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extern "C" {
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#endif
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/*
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* Timer support.
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*/
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/*
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* CLOCK_REALTIME represents the realtime clock for the system. For this
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* clock, clock_gettime() returns the time since the beginning of the
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* Epoch. SYS/BIOS implements clock_gettime() and clock_settime() with
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* the ti.sysbios.hal.Seconds module for CLOCK_REALTIME.
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*/
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#ifndef CLOCK_REALTIME
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#define CLOCK_REALTIME (clockid_t)1
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#endif
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/*
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* CLOCK_MONOTONIC represents a system clock that cannot be set via
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* clock_settime(). For SYS/BIOS, CLOCK_MONOTONIC represents the
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* ti.sysbios.knl.Clock system clock.
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*/
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#ifndef CLOCK_MONOTONIC
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#define CLOCK_MONOTONIC (clockid_t)2
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#endif
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#ifndef TIMER_ABSTIME
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#define TIMER_ABSTIME 4
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#endif
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/*
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* For clockId = CLOCK_REALTIME, clock_gettime() and clock_settime() use
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* the BIOS Seconds module to get/set the time. Before using clock_gettime()
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* with clockId = CLOCK_REALTIME, the Seconds module must be initialized.
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* This can be done by either calling clock_settime(CLOCK_REALTIME,...),
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* or Seconds_set().
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* For clockId = CLOCK_MONOTONIC, clock_gettime() returns a time based on
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* ti.sysbios.knl.Clock ticks.
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*/
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extern int clock_gettime(clockid_t clockId, struct timespec *ts);
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extern int clock_nanosleep(clockid_t clock_id, int flags,
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const struct timespec *rqtp, struct timespec *rmtp);
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/*
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* Only clockId = CLOCK_REALTIME is supported for clock_settime(). Only
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* the value of ts->tv_sec is used is used in clock_settime().
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* Returns EINVAL if clockId = CLOCK_MONOTONIC.
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*/
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extern int clock_settime(clockid_t clockId, const struct timespec *ts);
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/*
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* Create a timer based on the BIOS Clock module. To reduce code size,
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* the clockId parameter is ignored.
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*/
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extern int timer_create(clockid_t clockId, struct sigevent *evp,
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timer_t *timerid);
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extern int timer_delete(timer_t timerid);
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extern int timer_gettime(timer_t timerid, struct itimerspec *its);
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extern int timer_settime(timer_t timerid, int flags,
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const struct itimerspec *value, struct itimerspec *ovalue);
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extern int nanosleep(const struct timespec *rqtp, struct timespec *rmtp);
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#ifdef __cplusplus
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}
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#endif
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#endif /* ti_posix_gcc_time__include */
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