X-Git-Url: https://pintos-os.org/cgi-bin/gitweb.cgi?p=pintos-anon;a=blobdiff_plain;f=src%2Fthreads%2Fthread.c;h=ae92e1d646dc50d50ce02d26747ca12a8bd82236;hp=1e5a7d27179e928cb462a813200ed1a8518ccbf4;hb=6070611faac84bdf95c4405b3970c6928202f26b;hpb=39c5d0ad729238d08668ce0eeaa71bc25540bc7b

diff --git a/src/threads/thread.c b/src/threads/thread.c
index 1e5a7d2..ae92e1d 100644
--- a/src/threads/thread.c
+++ b/src/threads/thread.c
@@ -273,6 +273,31 @@ thread_yield (void)
   schedule ();
   intr_set_level (old_level);
 }
+
+/* Waits for the thread with the specified TID to terminate.  If
+   TID has already terminated or TID does not refer to an
+   immediate child of the current thread, returns immediately.
+
+   This function will be implemented in problem 1-2.  For now, it
+   does nothing. */
+void
+thread_join (tid_t child_tid UNUSED) 
+{
+}
+
+/* Sets the current thread's priority to NEW_PRIORITY. */
+void
+thread_set_priority (int new_priority) 
+{
+  thread_current ()->priority = new_priority;
+}
+
+/* Returns the current thread's priority. */
+int
+thread_get_priority (void) 
+{
+  return thread_current ()->priority;
+}
 
 /* Idle thread.  Executes when no other thread is ready to run. */
 static void