From ab6b44f5197e4c6c19f225f909035385d37883b4 Mon Sep 17 00:00:00 2001
From: Miguel <m.i@gmx.at>
Date: Sun, 2 Sep 2018 03:53:32 +0200
Subject: foolsnake showcasing multithreading and our console

---
 kernel/scheduler.c | 16 ++++++++++++----
 1 file changed, 12 insertions(+), 4 deletions(-)

(limited to 'kernel/scheduler.c')

diff --git a/kernel/scheduler.c b/kernel/scheduler.c
index a16dd02..2373e36 100644
--- a/kernel/scheduler.c
+++ b/kernel/scheduler.c
@@ -38,7 +38,7 @@ volatile int task_reset(uint32_t pid, uint32_t entry, uint32_t stack)
     stk[17]=stack;
 }
 
-volatile int add_task(uint32_t parent)
+volatile int add_task(uint32_t parent,uint32_t vmem)
 {
     for(int i=0;i<MAX_TASKS;i++)
     {
@@ -47,7 +47,7 @@ volatile int add_task(uint32_t parent)
 	    task_list[i].parent=parent;
 
 	    // TODO: do this without paging please!
-	    task_list[i].vmem=vmem_new_space_dir(task_list[parent].vmem); //TODO: what will happen if we get rescheduled!?!?!
+	    task_list[i].vmem=vmem; 
 	    task_list[i].esp = kballoc(4)+2*4096; // center
 
 	    // TODO: use own page here and copy it instead of this!
@@ -218,8 +218,16 @@ volatile uint32_t task_wait(uint32_t pid)
 
 volatile uint32_t task_fork(uint32_t pid)
 { 
-   int ret=add_task(pid);
-   klog("[%d] forked -> [%d] (free blocks remaining: %d )", current_task, pid,mem_get_free_blocks_count());
+//TODO: what will happen if we get rescheduled!?!?!
+   int ret=add_task(pid,vmem_new_space_dir(task_list[pid].vmem,false));
+   klog("[%d] forked -> [%d] (free blocks remaining: %d )", pid, ret,mem_get_free_blocks_count());
+   return ret;
+}
+volatile uint32_t task_clone(uint32_t pid)
+{ 
+//TODO: what will happen if we get rescheduled!?!?!
+   int ret=add_task(pid,vmem_new_space_dir(task_list[pid].vmem,true));
+   klog("[%d] cloned -> [%d] (free blocks remaining: %d )", pid, ret,mem_get_free_blocks_count());
    return ret;
 }
 
-- 
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