From 325c58f6ae54ad765aa36382295b1eb072ee10d5 Mon Sep 17 00:00:00 2001
From: Otnael Rocha <otnael@gmail.com>
Date: Tue, 10 Dec 2024 02:01:37 -0300
Subject: [PATCH] syscall processInfo

---
 syscall/processInfo.c | 66 +++++++++++++++++++++++++++----------------
 1 file changed, 42 insertions(+), 24 deletions(-)

diff --git a/syscall/processInfo.c b/syscall/processInfo.c
index 0b85382a59a2ec..9d0b4e2de748e3 100644
--- a/syscall/processInfo.c
+++ b/syscall/processInfo.c
@@ -1,26 +1,44 @@
 #include <linux/kernel.h>
-  #include <linux/init.h>
-  #include <linux/sched.h>
-  #include <linux/syscalls.h>
-  #include "processInfo.h"
+#include <linux/init.h>
+#include <linux/sched.h>
+#include <linux/syscalls.h>
+#include "processInfo.h"
+
+asmlinkage long sys_listProcessWaiting(){
+	/* 
+	 * i) lista os processos em espera
+	 * ii) o processo superior ao parametro limit_age é finalizado
+	 * iii) lista os processos finalizados
+	 * *************************************/
+
+	//verifique se o estado dele é TASK_RUNNING (em execução), TASK_INTERRUPTIBLE (processo do usuário em sleep).
+}
+
+asmlinkage long sys_listProcessRun(){
+	/*
+	 *  i) lista os processos em execução
+	 *  ii) !avaliar viabilidade de preemptivamente retirar um processo da cpu
+	 * */
+}
     
-  asmlinkage long sys_listProcessInfo(long pid, const char __user *buf, int size) {
-  	struct task_struct *proces;
-  	unsigned char kbuf[256];
-  	int bufsz;
-  	int ret;
+asmlinkage long sys_listProcessInfo(long pid, const char __user *buf, int size) {
+  struct task_struct *proces;
+  unsigned char kbuf[256];
+  int bufsz;
+  int ret;
   
-  	/* Find the process */
-  	for_each_process(proces) {
-  		if( (long)task_pid_nr(proces) == pid){
-  			/* Print the process info to the buffer */
-  			snprintf(kbuf, sizeof(kbuf), "Process: %s\n PID_Number: %ld\n Process State: %ld\n Priority: %ld\n RT_Priority: %ld\n Static Priority: %ld\n Normal Priority: %ld\n", 
-  					proces->comm, 
-  					(long)task_pid_nr(proces), 
-  					(long)proces->__state, 
-  					(long)proces->prio, 
-  					(long)proces->rt_priority, 
-  					(long)proces->static_prio, (long)proces->normal_prio);
+  /* Find the process */
+  for_each_process(proces) {
+  	if( (long)task_pid_nr(proces) == pid){
+  		/* Print the process info to the buffer */
+  		snprintf(kbuf, sizeof(kbuf), "Process: %s\n PID_Number: %ld\n Process State: %ld\n Priority: %ld\n RT_Priority: %ld\n Static Priority: %ld\n Normal Priority: %ld\n", 
+  			proces->comm, 
+  			(long)task_pid_nr(proces), 
+  			(long)proces->__state, 
+  			(long)proces->prio, 
+  			(long)proces->rt_priority, 
+  			(long)proces->static_prio, 
+			(long)proces->normal_prio);
   			bufsz = strlen(kbuf)+1;
   
   			/* User buffer is too small */
@@ -32,9 +50,9 @@
   			ret = copy_to_user((void*)buf, (void*)kbuf, bufsz);
   
   			return bufsz - ret;
-  		}
   	}
-  
-  	/* Process not found */
-  	return -2;	
   }
+  
+  /* Process not found */
+  return -2;	
+}