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Home » U++ Library support » U++ MT-multithreading and servers » Use same variable in different threads
Re: Use same variable in different threads [message #30167 is a reply to message #30154] Sun, 12 December 2010 23:16 Go to previous messageGo to previous message
koldo is currently offline  koldo
Messages: 3361
Registered: August 2008
Senior Veteran
Hello all

Nice answers Smile !

For now if I understand well I will use:

- AtomicVar class. Nice!

- Mutex as here:

struct mySharedData {
	int a, b;
	String c;
	Mutex m;
};

mySharedData data;

void ThreadFunction(){
	for(int i = 0; i < 10; i++){
		Thread::Sleep(Random(10)); // Pretend some work...
		data.m.Enter();	    // Enter the section that accesses the shared data
		data.a = i;
		data.c << data.a << "\n";
		Thread::Sleep(20); //Let's pretend that some slow operation happens here (for example file access)
		data.b = data.a;
		data.m.Leave();    // we don't need the exclusive access to data anymore, release the mutex
	}
}




Best regards
IƱaki
 
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