what happens when a function with static variable called by multiple thread? [duplicate]

Question

Suppose there is a function :

Obj* Obj::instance()
{
   static Obj obj;
   return &obj;
}

As we known that obj will be initialized when Obj::instance has been called for the first time. But what will happen if multiple thread call this function concurrently?

Mohanavel T · Accepted Answer · 2015-08-28 13:00:07Z

0

Thread with the highest priority gets a lock on that variable!

answered Aug 28, 2015 at 13:00

Mohanavel T

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