Std::Shared_lock means that many threads can lock onto the same

Question

C / C++

@^@ ^

Std::Shared_lock means that many threads can lock onto the same

mutex at the same time when using it right?

0

07.06.2021

6 ответов

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Nils

Nils
So basically you can have a function lock the mute...

A normal mutex would be deadlocked now

0

07.06.2021

@^@ ^ Автор вопроса

Nils
So basically you can have a function lock the mute...

Ooh, so the calling second function has to be in scope of the parent function that it's being executed in? EG: void x(){ c()}... if c locks same mutex that x locks, they can share?

0

07.06.2021

Nils

@^@ ^
Ooh, so the calling second function has to be in s...

No it does not even have to be in scope.

0

07.06.2021

@^@ ^ Автор вопроса

Nils
No it does not even have to be in scope.

Okay, so long as the function locking it again, was called by a function that already had the lock, then they share?

0

07.06.2021

Nils

@^@ ^
Okay, so long as the function locking it again, wa...

Yep

0

07.06.2021

Nils · Accepted Answer

Nils

So basically you can have a function lock the mutex and then from there call a function that locks it too

0

07.06.2021

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Std::Shared_lock means that many threads can lock onto the same

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