Changeset 199 for soft/giet_vm/sys/sys_handler.c

Timestamp:

Aug 9, 2012, 2:38:06 PM (12 years ago)

Author:

alain

Message:

Introducing the "idle" to improve the exit mechanism.

File:

• soft/giet_vm/sys/sys_handler.c (modified) (1 diff)

soft/giet_vm/sys/sys_handler.c

@@ -75 +75 @@
 void _exit()
 {
-/*
     unsigned int date    = _proctime();
-
     unsigned int proc_id = _procid();
-
     unsigned int task_id = _get_current_task_id();
 
      // print death message
     _get_lock(&_tty_put_lock);
-    _puts("\n\n!!! Exit task ");
-    _putw( task_id );
+    _puts("\n[GIET] Exit task ");
+    _putd( task_id );
     _puts(" on processor ");
-    _putw( proc_id );
+    _putd( proc_id );
     _puts(" at cycle ");
-    _putw( date );
+    _putd( date );
     _puts("\n\n");
     _release_lock(&_tty_put_lock);
-*/
     
-    /* infinite loop */
-    while (1) asm volatile("nop");
+    // goes to sleeping state
+    _set_context_slot( task_id, CTX_RUN_ID, 0 );
+    
+    // deschedule
+    _ctx_switch();
 } 
 //////////////////////////////////////////////////////////////////////////////