Files
threadx/utility/rtos_compatibility_layers/posix/px_clock_settime.c
2021-07-28 07:24:02 +00:00

82 lines
4.9 KiB
C

/**************************************************************************/
/* */
/* Copyright (c) Microsoft Corporation. All rights reserved. */
/* */
/* This software is licensed under the Microsoft Software License */
/* Terms for Microsoft Azure RTOS. Full text of the license can be */
/* found in the LICENSE file at https://aka.ms/AzureRTOS_EULA */
/* and in the root directory of this software. */
/* */
/**************************************************************************/
/**************************************************************************/
/**************************************************************************/
/** */
/** 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);
}