Does std::chrono::system_clock::now() use mutex inside?

Asked Oct 17 '16 at 20:55

Active Oct 17 '16 at 20:56

Viewed 82 times

So the question is: Does std::chrono::system_clock::now() use mutex inside ? So if will run this method I will lock threads.

edited Oct 17 '16 at 20:56

asked Oct 17 '16 at 20:55

Eduard Bondarenko

2

It is thread-safe, yes. Whether a mutex is used is implementation-defined. – DeiDei Oct 17 '16 at 20:59
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@DeiDei - it's implementation-specific, but not implementation-defined. The latter is a term of art in the language definition; it requires that an implementation document its behavior. – Pete Becker Oct 17 '16 at 21:06

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