1 files changed, 55 insertions, 0 deletions
diff --git a/src/kernel/task/task.h b/src/kernel/task/task.h
new file mode 100644
index 0000000..c9f1794
--- /dev/null
+++ b/src/kernel/task/task.h
@@ -0,0 +1,55 @@
+#ifndef DEF_TASK_H
+#define DEF_TASK_H
+
+#include <types.h>
+#include <mem/paging.h>
+#include "idt.h"
+
+#define TS_RUNNING 0	
+#define TS_SLEEPING 1	//Sleeping for a defined amount of time
+#define TS_WAIKWAIT 2	//Waiting to be waked up by something precise (thread currently blocked)
+
+#define PL_USER 3
+#define PL_SERVICE 2
+#define PL_DRIVER 1
+#define PL_KERNEL 0
+
+#define EX_TH_NORMAL	0x10000		//ERROR code : just one thread exits, because it has to
+#define EX_TH_EXCEPTION 0x10001		//ERROR code : just one thread exits, because of an unhandled exception
+#define EX_PR_EXCEPTION 0x10002		//ERROR code : all process finishes, because of an unhandled exception
+
+typedef void (*thread_entry)(void*);
+
+struct process {
+	uint32_t pid, uid, privilege, threads;
+	struct process *parent;
+	struct page_directory *pagedir;
+
+	struct process *next;	//Forms a linked list
+};
+
+struct thread {
+	struct process *process;
+	uint32_t esp, ebp, eip;
+	uint8_t state;
+	uint32_t timeWait;
+	void* kernelStack_addr;
+	uint32_t kernelStack_size;
+
+	struct thread *next;	//Forms a linked list
+};
+
+extern struct thread *current_thread;
+
+void tasking_init();
+void tasking_switch();
+void tasking_updateKernelPagetable(uint32_t idx, struct page_table *table, uint32_t tablePhysical);
+uint32_t tasking_handleException(struct registers *regs);
+
+void thread_sleep(uint32_t msecs);
+void thread_exit();
+void process_exit(uint32_t retval);
+struct thread * thread_new(struct process *proc, thread_entry entry_point, void *data);
+struct process* process_new(struct process *parent, uint32_t uid, uint32_t privilege);
+
+#endif