Originally Posted by cpjust
But it sounds like this program is I/O bound, not CPU bound. Would changing the priority make a difference for an I/O bound process?
I don't know. I can't say for sure.
I can only say that usually when resources are hogged, priorities do help.
Originally Posted by Adak
io.h certainly IS included in some modern compilers. It is no longer part of the standard for C, but it is nevertheless, included in the very latest Pelles C versions.
Originally Posted by Salem
You mean it's included as a crutch to help ancient programmers limp along without them having to relearn too much.
Outside of your DOS world, your header file is meaningless.
Is there a way to change the I/O priority, kind of like there is for changing the CPU priority?
For Vista, yes. For XP, no. For Linux, most likely yes.