I have in a Server object multiple thread who are doing the same task. Those threads are init with a Server::* routine.
In this routine there is a infinite loop with some treatments.
I was wondering if it was thread safe to use the same method for multiple threads ? No wonder for the fields of the class, If I want to read or write it I will use a mutex. But what about the routine itself ?
Since a function is an address, those thread will be running in the same memory zone ?
Do I need to create a method with same code for every thread ?
Ps: I use std::mutex(&Server::Task, this)
There is no problem with two threads running the same function at the same time (whether it's a member function or not).
In terms of instructions, it's similar to if you had two threads reading the same field at the same time - that's fine, they both get the same value. It's when you have one writing and one reading, or two writing, that you can start to have race conditions.
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