/explore
|
You are here 
|
ops.tips | ||
| | | | |
xnux.eu
|
|
| | | | | ||
| | | | |
blog.oddbit.com
Overview I was recently working with someone else's C source and I wanted to add some basic error checking without mucking up the code with a bunch of if statements and calls to perror. I ended up implementing a simple must function that checks the return value of an expression, and exits with an error if the return value is less than 0. You use it like this: must(fd = open("textfile.txt", O_RDONLY)); Or: |
|
| | | | | ||
| | | | |
mazzo.li
Let's say that you have a program which relies on huge pages for performance. I couldn't find a resource fully explaining how to allocate huge pages at runtime, making sure that the huge page allocation was successful, so here it is. |
|
| | | | | ||
| | | | |
shellsharks.com
An introduction to x86 Intel assembly. |
|
| | | |||
