compiled newlib, need to hook up the system calls

kernel/process.h

@@ -6,6 +6,7 @@
 typedef enum {
     STATE_READY,
     STATE_SLEEPING,
+    STATE_BLOCKED,
     STATE_DEAD
 } process_state_t;
 
@@ -15,6 +16,7 @@ typedef struct {
     uint32_t cr3;
     process_state_t state;
     uint32_t sleep;
+    void* next;
 } __attribute__((packed)) process_t;
 
 #endif