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| Re: usecs [message #50691 is a reply to message #50687] |
Wed, 05 December 2018 23:36   |
Zbych
Messages: 327
Registered: July 2009
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Senior Member |
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Tom1 wrote on Wed, 05 December 2018 12:59Is usecs() a monotonically increasing timer? (I.e. no jumps backward or forward ever, even if OS time is adjusted by user or NTP.)
According to the docs: https://en.cppreference.com/w/cpp/chrono/high_resolution_clo ck
it is implementation dependent.
It also means that new implementation of msecs() might not be monotonic as well  and all timeouts in many places (sockets etc.) might randomly get shortened or extended.
If you need monotonic clock use std::chrono::steady_clock.
[Updated on: Wed, 05 December 2018 23:48] Report message to a moderator |
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