CODEWITHSUNDEEP
clinuxprocesskernelpid
develoops
develoops

Reputation: 555

show process name and pid in Debian

How can i get and show name and PID for current proccess in a Linux kernel module? My code :

#include <linux/module.h>
#include <linux/init.h>
#include <linux/kernel.h>

MODULE_DESCRIPTION("Afiseaza PID si numele executabilului");
MODULE_AUTHOR("ololo");
MODULE_LICENSE("FREE");


static int print_on_init(void)
{
    struct task *cur_task;
    cur_task = get_current();
    printk(KERN_DEBUG, "Hello!\n");
    return 0;
}

static int print_on_exit(void)
{
    printk(KERN_DEBUG, "Goodbye!\n");
}

module_init(my_hello_init);
module_exit(hello_exit);

Upvotes: 0

Views: 839

Answers (2)

Michał Kosmulski
Michał Kosmulski

Reputation: 10020

I'm no expert in kernel programming, but you can have a look at how the current PID is retrieved for example in the code for exec(). There seems to be a structure called current through which you can extract the data you need. When you click on the variable name in the linked kernel source browser, you get a list of other places this variable is used.

Upvotes: 2

smhx
smhx

Reputation: 2266

You can use the getpid() call

Upvotes: 0

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