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Release 6.1.7

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Bo Chen
2021-06-02 06:45:05 +00:00
parent d759e6bb9e
commit f5056f4923
1269 changed files with 57325 additions and 55178 deletions
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85
utility/rtos_compatibility_layers/posix/px_clock_gettime.c Normal file
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/**************************************************************************/
/* */
/* 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_gettime PORTABLE C */
/* 6.x */
/* AUTHOR */
/* */
/* William E. Lamie, Microsoft Corporation */
/* */
/* DESCRIPTION */
/* */
/* This subroutine returns the time. The source of the time */
/* is the internal Threadx timer variable, which keeps track */
/* of the number of ticks of the Threadx timer ISR. */
/* */
/* INPUT */
/* */
/* clockid_t, tspec */
/* */
/* OUTPUT */
/* */
/* error code */
/* */
/* CALLS */
/* */
/* tx_time_get ThreadX function */
/* */
/* CALLED BY */
/* */
/* Application Code */
/* */
/* RELEASE HISTORY */
/* */
/* DATE NAME DESCRIPTION */
/* */
/* xx-xx-xxxx William E. Lamie Initial Version 6.x */
/* */
/**************************************************************************/
INT clock_gettime(clockid_t t, struct timespec * tspec)
{
ULONG tx_time;
if(t==CLOCK_REALTIME)
{
tx_time=tx_time_get();
tspec->tv_sec = tx_time / CPU_TICKS_PER_SECOND;
tspec->tv_nsec = (ULONG) ((tx_time - tspec->tv_sec*CPU_TICKS_PER_SECOND) * NANOSECONDS_IN_CPU_TICK);
return(OK);
}
else return(EINVAL);
}