What kind of loop is for (;;)?

Question

Found in torvalds/linux-2.6.git -> kernel/mutex.c line 171

I have tried to find it on Google and such to no avail.

What does for (;;) instruct?<

Answer 1

I means:

#define EVER ;;

for(EVER)
{
     // do something
}

Warning: Using this in your code is highly discouraged.