/**************************************************************************/ /* */ /* 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 */ /* 6.1.7 */ /* 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 */ /* */ /* 06-02-2021 William E. Lamie Initial Version 6.1.7 */ /* */ /**************************************************************************/ 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); }