Is there an alternative for sleep() in C?

Question

In traditional embedded programming, we will give a delay function like so:

for(i=0;i<255;i++)
   for(j=0;j<255;j++);

In the micropro

Answer 1

sleep actually interfaces with operating system, where sleeping processes are placed outside of scheduling queue. I usually use:

poll(0, 0, milliseconds);

for POSIX compliant systems. select also works for windows (they must have a native API (probably called Sleep) for that.)