+
+
+// Set Priority
+void rb_task_set_priority(VALUE class, VALUE task, VALUE priority)
+{
+
+ m_task_t tk;
+ double prt = NUM2DBL(priority);
+ Data_Get_Struct(task, s_m_task_t, tk);
+ MSG_task_set_priority(tk, prt);
+
+}
+
+// Cancel
+void rb_task_cancel(VALUE class, VALUE task)
+{
+ m_task_t tk;
+ Data_Get_Struct(task, s_m_task_t, tk);
+ MSG_task_cancel(tk);
+
+}
+
+void rb_task_set_data(VALUE class, VALUE task, VALUE data)
+{
+ m_task_t tk;
+ rb_data_t rb_data;
+ Data_Get_Struct(task, s_m_task_t, tk);
+ rb_data = MSG_task_get_data(tk);
+ rb_data->user_data = (void *) data;
+ MSG_task_set_data(tk, (void *) rb_data);
+
+}
+
+VALUE rb_task_get_data(VALUE class, VALUE task)
+{
+ m_task_t tk;
+ Data_Get_Struct(task, s_m_task_t, tk);
+ rb_data_t rb_data = MSG_task_get_data(tk);
+ if (!rb_data->user_data)
+ XBT_ERROR("the task %s contain no user data", MSG_task_get_name(tk));
+
+ return (VALUE) rb_data->user_data;
+}
+
+VALUE rb_task_has_data(VALUE class, VALUE task)
+{
+ m_task_t tk;
+ Data_Get_Struct(task, s_m_task_t, tk);
+ rb_data_t rb_data = MSG_task_get_data(tk);
+ if (!rb_data->user_data)
+ return Qfalse;
+ return Qtrue;
+}