First commit

1 files changed, 41 insertions, 0 deletions

diff --git a/src/stem/task.h b/src/stem/task.h
new file mode 100644
index 0000000..3fec9ea
--- /dev/null
+++ b/src/stem/task.h
@@ -0,0 +1,41 @@
+#ifndef DEF_TASK_H
+#define DEF_TASK_H
+
+#include "types.h"
+#include "paging.h"
+#include "idt.h"
+
+struct process {
+	uint32_t pid, uid;
+	struct process *parent;
+	struct page_directory *pagedir;
+
+	struct process *next;	//Forms a linked list
+};
+
+#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)
+
+typedef void (*thread_entry)(void*);
+
+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(thread_entry whereToGo, void *data);
+void tasking_switch();
+uint32_t tasking_handleException(struct registers *regs);
+
+void thread_new(struct process *proc, thread_entry entry_point, void *data);
+
+#endif