From e9b64be5230f0b498d8d78a8e67158a843594f83 Mon Sep 17 00:00:00 2001
From: axtloss <axtlos@getcryst.al>
Date: Wed, 3 Jul 2024 18:43:35 +0200
Subject: kill-processes: add project

---
 kill-processes/meow.c | 63 +++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 63 insertions(+)
 create mode 100644 kill-processes/meow.c

(limited to 'kill-processes/meow.c')

diff --git a/kill-processes/meow.c b/kill-processes/meow.c
new file mode 100644
index 0000000..1283e92
--- /dev/null
+++ b/kill-processes/meow.c
@@ -0,0 +1,63 @@
+#include <linux/module.h>
+#include <linux/kernel.h>
+#include <linux/sched.h>
+#include <linux/string.h>
+#include <asm/siginfo.h>
+#include <linux/rcupdate.h>
+#include <linux/sched.h>
+#include <linux/delay.h>
+#include <linux/kthread.h>
+
+int pid = 1;
+
+DECLARE_WAIT_QUEUE_HEAD(wq);
+
+struct task_struct *task1;
+
+void procs_info_print(void)
+{
+        struct task_struct* task_list;
+        size_t process_counter = 0;
+        for_each_process(task_list) {
+		if (strcmp (task_list->comm, "qalculate-gtk") == 0) {
+		  pr_info("%s [%d]\n", task_list->comm, task_list->pid);
+		  pr_info ("killing qalculate %d\n", task_list->pid);
+		  struct siginfo info;
+		  struct task_struct *task;
+		  memset (&info, 0, sizeof (struct siginfo));
+		  info.si_signo = SIGTERM;
+		  info.si_code = SI_QUEUE;
+		  info.si_int = 1234;
+		  rcu_read_lock ();
+		  task = pid_task (find_pid_ns (task_list->pid, &init_pid_ns), PIDTYPE_PID);
+		  if (!task) {
+		    printk ("pid lost\n");
+		    rcu_read_unlock ();
+		  }
+		}
+        }
+}
+
+int run(void *data)
+{
+  while (true) {
+    procs_info_print();
+    usleep_range(1000000, 1000001);
+ }
+  return 0;
+}
+
+int init_module(void)
+{
+        printk(KERN_INFO "arf arf ^w^\n");
+	task1 = kthread_create (&run, &pid, "teehee");
+	wake_up_process (task1);
+        return 0;
+}
+
+void cleanup_module(void)
+{
+  return;
+}
+
+MODULE_LICENSE("GPL");
-- 
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