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03a3c992b8
Use k_uptime_get() to compute both tv_sec and tv_nsec members of timespec structure. Fixes #8009 Signed-off-by: Ramakrishna Pallala <ramakrishna.pallala@intel.com>
32 lines
610 B
C
32 lines
610 B
C
/*
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* Copyright (c) 2018 Intel Corporation
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*
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* SPDX-License-Identifier: Apache-2.0
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*/
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#include <kernel.h>
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#include <errno.h>
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#include <posix/time.h>
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#include <posix/sys/types.h>
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/**
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* @brief Get clock time specified by clock_id.
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*
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* See IEEE 1003.1
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*/
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int clock_gettime(clockid_t clock_id, struct timespec *ts)
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{
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u64_t elapsed_msecs;
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if (clock_id != CLOCK_MONOTONIC) {
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errno = EINVAL;
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return -1;
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}
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elapsed_msecs = k_uptime_get();
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ts->tv_sec = (s32_t) (elapsed_msecs / MSEC_PER_SEC);
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ts->tv_nsec = (s32_t) ((elapsed_msecs % MSEC_PER_SEC) *
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USEC_PER_MSEC * NSEC_PER_USEC);
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return 0;
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}
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