atomic_flag_test_and_set Yes! atomic_flag_clear Yes! atomic_flag_test_and_clear nope atomic_flag_set nope If you wanted to do something like set a flag on a event in some context, and in some oth...

After reading the Test-and-Set Wikipedia entry, I am still left with the question "What would a Test-and-Set be used for?" I realize that you can use it to implement Mutex (as described in wikiped...

To handle concurrency in an M68000 assembly program, I need to understand how the TAS instruction works. I don't really care about the theoretical description that I can see from the manual (e.g. h...

Can the compiler or processor reorder the following instructions so that another Thread sees a == 0 and b == 1? Assuming int a = 0, b = 0; somewhere. System.Threading.Interlocked.CompareExchange&...

What do you mean by Atomic instructions? How does the following become Atomic? TestAndSet int TestAndSet(int *x){ register int temp = *x; *x = 1; return temp; } From a software perspective,...

I know that the .NET memory model (on the .NET Framework; not compact/micro/silverlight/mono/xna/what-have-you) guaranteed that for certain types (most notably primitive integers and references) op...