Oct 1, 2004Well, Linux has not yet gone to Mars, I suppose... [The original title was `What happened on Mars?']
A bug in the first sentence under the heading "Demonstrating task priority and pre-emption". The sentence should read:
When working with very low level code, it is usual practice to signal control reaching a particular point by toggling some I/O pins ....
You can get the source code from here.