Files
threadx/utility/rtos_compatibility_layers/posix/px_clock_settime.c
Bo Chen (from Dev Box) 8276bcf711 Update copyright.
2024-01-29 13:51:15 +08:00

81 lines
4.6 KiB
C

/***************************************************************************
* Copyright (c) 2024 Microsoft Corporation
*
* This program and the accompanying materials are made available under the
* terms of the MIT License which is available at
* https://opensource.org/licenses/MIT.
*
* SPDX-License-Identifier: MIT
**************************************************************************/
/**************************************************************************/
/**************************************************************************/
/** */
/** POSIX wrapper for THREADX */
/** */
/** */
/** */
/**************************************************************************/
/**************************************************************************/
/* Include necessary system files. */
#include "tx_api.h" /* Threadx API */
#include "pthread.h" /* Posix API */
#include "px_int.h" /* Posix helper functions */
/**************************************************************************/
/* */
/* FUNCTION RELEASE */
/* */
/* clock_settime PORTABLE C */
/* 6.1.7 */
/* AUTHOR */
/* */
/* William E. Lamie, Microsoft Corporation */
/* */
/* DESCRIPTION */
/* */
/* This subroutine sets the internal Threadx timer tick variable */
/* to the time specificed in the tspec variable after conversion */
/* if tspec->tv_sec is 0 the clock with be set to the value of */
/* tspec->tv_nsec */
/* */
/* INPUT */
/* */
/* clockid_t, tspec */
/* */
/* OUTPUT */
/* */
/* error code */
/* */
/* CALLS */
/* */
/* tx_time_set ThreadX function */
/* */
/* CALLED BY */
/* */
/* Application Code */
/* */
/* RELEASE HISTORY */
/* */
/* DATE NAME DESCRIPTION */
/* */
/* 06-02-2021 William E. Lamie Initial Version 6.1.7 */
/* */
/**************************************************************************/
INT clock_settime(clockid_t t, const struct timespec * tspec)
{
ULONG tx_time;
if(t==CLOCK_REALTIME)
{
tx_time=(ULONG)((tspec->tv_sec * CPU_TICKS_PER_SECOND) + (tspec->tv_nsec / NANOSECONDS_IN_CPU_TICK));
tx_time_set( tx_time);
return(OK);
}
else return(EINVAL);
}