QnA Plus

Where to Use Different Types of Loops (for, while, do-while) in C

By Srikanta March 4, 2016Programming, C2 Comments

Loops are very fundamental programming language constructs that allow us to execute a block of code multiple times. In C programming language, there are three types of loops: for, while and…

How to Implement Periodic Timer in Linux Kernel

By Srikanta February 22, 2016C, ProgrammingNo Comments

Linux Kernel already has a timer module that allows us to create timers which are not periodic by default. We can specify a callback function and a timeout value to the…

How to Implement Multiple Periodic Timers in Linux Kernel

By Srikanta February 18, 2016Programming, C2 Comments

Here we'll see how to implement a timer module in Linux kernel that will allow users to create multiple periodic timers at the same time. Kernel already has a timer module…

How to Compile Linux Kernel Module

By Srikanta February 12, 2016Programming, CNo Comments

Linux has a build infrastructure called "kbuild" to build in-tree and out-of-tree kernel modules. Here I'll focus on external or out-of-tree kernel module compilation. Linux "kbuild" infrastructure is fairly complicated,…

Linux Kernel Programming Basics, Create Loadable Kernel Module

By Srikanta February 10, 2016ProgrammingNo Comments

What is Linux Kernel? Kernel is the core and central part of the Linux Operating system. It is responsible for the most critical functions of the operating system like process…