0
votes
0answers
23 views

Capture hrtimer interrupts with linux kernel module .. possible?

I would like to be able to 'capture' an hrtimer interrupt with a linux kernel module and replay the interrupt at a later period in time. Any thoughts on how to go about doing this? Use case: A ...
0
votes
1answer
40 views

What is kernel modding? [closed]

I want to take a dip in customizing linux kernel. As it's evident that linux kernel can be modified according to our specific needs. My questions are: What is kernel modding? How to perform that? ...
0
votes
0answers
16 views

Int system call and 'int' within C syntax

I'm learning about kernels and I was curious if the int system call(in our case, in Linux) has any connection with the declaration of an integer in C and C-based languages. int n; Is an integer ...
0
votes
1answer
66 views

Changes to .o files after compiling

I have built a custom kernel and I am able to do my system call,but now I want to change the logic in the .o file reference in the Makefile obj-y += sys_calls_test.o the sys_calls_test.o has ...
1
vote
0answers
39 views

Customizing Linux kernel

I want to dive into creating custom linux kernels. I recently started using Ubuntu and I am impressed with the fact that I can customize the kernel to my own likings. I have been developing apps for ...
1
vote
0answers
19 views

unable to use static variable in c program [duplicate]

I am working on the some system calls.. I want to open the file by system call open() somewhere in my code I used, static char message[] = "Hello, world"; but it is giving the error error :- ...
3
votes
3answers
3k views

What is the use of /usr/include directory?

I'm very new to Ubuntu. I'm looking at the directory /usr/include it contains lot of header files. I know they have specified certain constants and other information that are used in Ubuntu. I'm ...
0
votes
1answer
97 views

Development environment for Linux wireless using sparse

I am used to Eclipse and Visual studio for development for Java and C#. I am looking forward to modify and compile some files in C in the Linux Wireless subsystem. The site recommends using Sparse but ...