--- /dev/null
+/*
+ * "Copyright (c) 2006 Washington University in St. Louis.
+ * All rights reserved.
+ *
+ * Permission to use, copy, modify, and distribute this software and its
+ * documentation for any purpose, without fee, and without written agreement is
+ * hereby granted, provided that the above copyright notice, the following
+ * two paragraphs and the author appear in all copies of this software.
+ *
+ * IN NO EVENT SHALL WASHINGTON UNIVERSITY IN ST. LOUIS BE LIABLE TO ANY PARTY
+ * FOR DIRECT, INDIRECT, SPECIAL, INCIDENTAL, OR CONSEQUENTIAL DAMAGES ARISING
+ * OUT OF THE USE OF THIS SOFTWARE AND ITS DOCUMENTATION, EVEN IF WASHINGTON
+ * UNIVERSITY IN ST. LOUIS HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ *
+ * WASHINGTON UNIVERSITY IN ST. LOUIS SPECIFICALLY DISCLAIMS ANY WARRANTIES,
+ * INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY
+ * AND FITNESS FOR A PARTICULAR PURPOSE. THE SOFTWARE PROVIDED HEREUNDER IS
+ * ON AN "AS IS" BASIS, AND WASHINGTON UNIVERSITY IN ST. LOUIS HAS NO
+ * OBLIGATION TO PROVIDE MAINTENANCE, SUPPORT, UPDATES, ENHANCEMENTS, OR
+ * MODIFICATIONS."
+ */
+
+/**
+ * This is an example implementation of a dedicated resource.
+ * It provides the SplitControl interface for power management
+ * of the resource and an EXAMPLE ResourceOperations interface
+ * for performing operations on it.
+ *
+ * @author Kevin Klues (klueska@cs.wustl.edu)
+ * @version $Revision$
+ * @date $Date$
+ */
+
+module ResourceP {
+ provides {
+ interface SplitControl;
+ interface ResourceOperations;
+ }
+}
+implementation {
+
+ bool lock;
+
+ task void startDone() {
+ lock = FALSE;
+ signal SplitControl.startDone(SUCCESS);
+ }
+
+ task void stopDone() {
+ signal SplitControl.stopDone(SUCCESS);
+ }
+
+ task void operationDone() {
+ lock = FALSE;
+ signal ResourceOperations.operationDone(SUCCESS);
+ }
+
+ command error_t SplitControl.start() {
+ post startDone();
+ return SUCCESS;
+ }
+
+ command error_t SplitControl.stop() {
+ lock = TRUE;
+ post stopDone();
+ return SUCCESS;
+ }
+
+ command error_t ResourceOperations.operation() {
+ if(lock == FALSE) {
+ lock = TRUE;
+ post operationDone();
+ return SUCCESS;
+ }
+ return FAIL;
+ }
+}
+