The Old New Thing

Ready… cancel… wait for it! (part 1)

February 2, 2011 Feb 2, 2011 02/2/11

Raymond Chen

One of the cardinal rules of the structure is the structure must remain valid until the I/O completes. The reason is that the structure is manipulated by address rather than by value. The word complete here has a specific technical meaning. It doesn't mean "must remain valid until you are no longer interested in the result of the I/O." ...