Merge branch 'vm/memory-mapped-files' into vm/virtual-memory/saleh

src/threads/thread.c

@@ -15,10 +15,13 @@
 #include "threads/switch.h"
 #include "threads/synch.h"
 #include "threads/vaddr.h"
-#include "vm/page.h"
 #ifdef USERPROG
 #include "userprog/process.h"
 #include "userprog/syscall.h"
+#include "vm/page.h"
+#endif
+#ifdef VM
+#include "vm/mmap.h"
 #endif
 
 /* Random value for struct thread's `magic' member.
@@ -274,6 +277,10 @@ thread_create (const char *name, int priority,
     }
 #endif
 
+#ifdef VM
+  mmap_init (t);
+#endif
+
   /* Prepare thread for first run by initializing its stack.
      Do this atomically so intermediate values for the 'stack' 
      member cannot be observed. */

src/threads/thread.h

@@ -137,6 +137,10 @@ struct thread
 
     struct hash pages;                  /* Table of open user pages. */
 
+    /* Memory mapped files for user virtual memory. */
+    struct hash mmap_files;             /* List of memory mapped files. */
+    unsigned int mmap_counter;          /* Counter for memory mapped files. */
+
 #ifdef USERPROG
     /* Owned by userprog/process.c. */
     uint32_t *pagedir;                  /* Page directory. */