wip: thread and processes handle

headers/process.h

@@ -0,0 +1,25 @@
+#pragma once
+
+#include "signal.h"
+
+#include <stdint.h>
+
+extern struct pcb *current_pcb;
+
+enum owner { OWNER_KERNEL, OWNER_USER };
+
+struct pcb {
+	void *cr3;
+	uint32_t *heap;
+	uint16_t pid;
+	uint8_t uid;
+	struct signal_data signals;
+	struct pcb *next;
+	struct pcb *prev;
+	struct tcb *thread_list;
+};
+
+void switch_process(struct pcb *next_pcb);
+struct pcb *create_process(uint8_t uid);
+int8_t create_kernel_process(void);
+void remove_process(struct pcb *pcb);