c-2. Figure below shows a code written in C to run on a Linux-based operating system. (a) What are the steps needed to compile and run this code?, (b) what module_init() and module_exit() are used for?, (c) explain the meaning of modular kernel architecture and relate it to Linux

Database System Concepts
7th Edition
ISBN:9780078022159
Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
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c-2. Figure below shows a code written in C to run on a Linux-based operating system.
(a) What are the steps needed to compile and run this code?,
(b) what module_init() and module_exit() are used for?,
(c) explain the meaning of modular kernel architecture and relate it to Linux

1#include <linux/module.h>
2 #include <linux/kernel.h>
3 #include <linux/init.h>
4
5 static int donothing_init(void)
6 {
7
8
9}
10 static
11 (
12
13}
14
printk (KERN_ALERT "Module is loaded\n");
return 0;
void donothing_exit (void)
printk(KERN ALERT "Module is unloaded\n");
module_init(donothing_init);
15 module_exit (donothing_exit);
16 MODULE LICENSE ("GPL");
17 MODULE AUTHOR("AUTHOR1");
18 MODULE_DESCRIPTION("This is a module that does nothing");
Transcribed Image Text:1#include <linux/module.h> 2 #include <linux/kernel.h> 3 #include <linux/init.h> 4 5 static int donothing_init(void) 6 { 7 8 9} 10 static 11 ( 12 13} 14 printk (KERN_ALERT "Module is loaded\n"); return 0; void donothing_exit (void) printk(KERN ALERT "Module is unloaded\n"); module_init(donothing_init); 15 module_exit (donothing_exit); 16 MODULE LICENSE ("GPL"); 17 MODULE AUTHOR("AUTHOR1"); 18 MODULE_DESCRIPTION("This is a module that does nothing");
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