starting to work on pty drivers, fork(), and scheduler redesign

kernel/process.h

@@ -3,6 +3,10 @@
 
 #include <stdint.h>
 
+#include <vfs.h>
+
+#define MAX_PROCESS_FDS 32
+
 typedef enum {
     STATE_READY = 1,
     STATE_SLEEPING = 2,
@@ -16,7 +20,8 @@ typedef enum {
     PROCESS_FLAG_USER = 1 << 1
 } process_flags_t;
 
-typedef struct {
+struct process_t;
+typedef struct process_t {
     uint32_t pid;
     uint32_t esp;
     uint32_t kstack_top;
@@ -25,6 +30,8 @@ typedef struct {
     uint32_t sleep;
     uint32_t heap_end;
     uint32_t flags;
+    file_t* fd_table[MAX_PROCESS_FDS];
+    struct process_t* sched_next;
 } __attribute__((packed)) process_t;
 
 #endif