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diff --git a/apps/tosthreads/apps/TestJoin/TestJoinC.nc b/apps/tosthreads/apps/TestJoin/TestJoinC.nc
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+/*
+ * Copyright (c) 2008 Stanford University.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * - Redistributions of source code must retain the above copyright
+ *   notice, this list of conditions and the following disclaimer.
+ * - Redistributions in binary form must reproduce the above copyright
+ *   notice, this list of conditions and the following disclaimer in the
+ *   documentation and/or other materials provided with the
+ *   distribution.
+ * - Neither the name of the Stanford University nor the names of
+ *   its contributors may be used to endorse or promote products derived
+ *   from this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
+ * FOR A PARTICULAR PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL STANFORD
+ * UNIVERSITY OR ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
+ * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+ * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
+ * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
+ * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
+ * OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+ 
+/**
+ * TestJoin is a simple application used to test the basic functionality of
+ * the join() system call for waiting on a set of threads in a TOSThreads 
+ * based application.
+ * 
+ * Upon a successful burn, you should see all LEDs toggle in the following pattern,
+ * repeating every 8 seconds:
+ * 
+ * 0s: (110) LED0  ON, LED1  ON, LED2 OFF  <br>
+ * 1s: (000) LED0 OFF, LED1 OFF, LED2 OFF  <br>
+ * 2s: (010) LED0 OFF, LED1  ON, LED2 OFF  <br>
+ * 3s: (000) LED0 OFF, LED1 OFF, LED2 OFF  <br>
+ * 4s: (111) LED0  ON, LED1  ON, LED2  ON  <br>
+ * 5s: (001) LED0 OFF, LED1 OFF, LED2  ON  <br>
+ * 6s: (011) LED0 OFF, LED1  ON, LED2  ON  <br>
+ * 7s: (001) LED0 OFF, LED1 OFF, LED2  ON  <br>
+ *
+ * @author Kevin Klues (klueska@cs.stanford.edu)
+ */
+
+module TestJoinC {
+  uses {
+    interface Boot;
+    interface Thread as NullThread;
+    interface Thread as TinyThread0;
+    interface Thread as TinyThread1;
+    interface Leds;
+  }
+}
+
+implementation {
+  event void Boot.booted() {
+    call NullThread.start(NULL);
+  }
+
+  event void NullThread.run(void* arg) {
+    for(;;){
+      call TinyThread0.start(NULL);
+      call TinyThread1.start(NULL);
+      call TinyThread0.join();
+      call TinyThread1.join();
+      call Leds.led2Toggle();
+    }
+  }  
+  event void TinyThread0.run(void* arg) {
+    int i;
+    for(i=0; i<2; i++){
+      call Leds.led0Toggle();
+      call TinyThread0.sleep(1000);
+    }
+  }
+  event void TinyThread1.run(void* arg) {
+    int i;
+    for(i=0; i<4; i++){ 
+      call Leds.led1Toggle();
+      call TinyThread1.sleep(1000);
+    }
+  }
+}