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36 lines
1.1 KiB
C++
36 lines
1.1 KiB
C++
/* Time related functions.
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*
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* Author: Steffen Vogel <post@steffenvogel.de>
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* SPDX-FileCopyrightText: 2014-2023 Institute for Automation of Complex Power Systems, RWTH Aachen University
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* SPDX-License-Identifier: Apache-2.0
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*/
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#pragma once
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#include <cstdint>
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#include <cstdio>
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#include <ctime>
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// Compare two timestamps. Return zero if they are equal.
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ssize_t time_cmp(const struct timespec *a, const struct timespec *b);
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// Get delta between two timespec structs.
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struct timespec time_diff(const struct timespec *start,
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const struct timespec *end);
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// Get sum of two timespec structs.
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struct timespec time_add(const struct timespec *start,
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const struct timespec *end);
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// Return current time as a struct timespec.
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struct timespec time_now();
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// Return the diffrence off two timestamps as double value in seconds.
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double time_delta(const struct timespec *start, const struct timespec *end);
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// Convert timespec to double value representing seconds.
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double time_to_double(const struct timespec *ts);
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// Convert double containing seconds after 1970 to timespec.
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struct timespec time_from_double(double secs);
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