add example from appDevGuide

src/libCom/test/Makefile

@@ -31,6 +31,10 @@ epicsTimerTestHost_SRCS += epicsTimerTestMain.cpp epicsTimerTest.cpp
 PROD_HOST += epicsTimerTestHost
 OBJS_IOC += epicsTimerTest
 
+epicsTimerExampleHost_SRCS += epicsTimerExampleMain.cpp epicsTimerExample.cpp
+PROD_HOST += epicsTimerExampleHost
+OBJS_IOC += epicsTimerExample
+
 ringPointerTestHost_SRCS += ringPointerTestMain.cpp ringPointerTest.c
 PROD_HOST += ringPointerTestHost
 OBJS_IOC += ringPointerTest

src/libCom/test/epicsTimerExample.cpp

@@ -0,0 +1,31 @@
+#include <stdio.h>
+
+#include "epicsTimer.h"
+
+class something : public epicsTimerNotify {
+public:
+    something(const char* nm,epicsTimerQueueActive &queue)
+    : name(nm), timer(queue.createTimer()) {}
+    virtual ~something() { timer.destroy();}
+    void start(double delay) {timer.start(*this,delay);}
+    virtual expireStatus expire(const epicsTime & currentTime) {
+        printf("%s\n",name);
+        currentTime.show(1);
+        return(noRestart);
+    }
+private:
+    const char* name;
+    epicsTimer &timer;
+};
+
+void epicsTimerExample()
+{
+    epicsTimerQueueActive &queue = epicsTimerQueueActive::allocate(true);
+    something first("first",queue);
+    something second("second",queue);
+
+    first.start(1.0);
+    second.start(1.5);
+    epicsThreadSleep(2.0);
+    queue.release();
+}

src/libCom/test/epicsTimerExampleMain.cpp

@@ -0,0 +1,38 @@
+
+/*
+ *      $Id$
+ *
+ *      Author  Jeffrey O. Hill
+ *              johill@lanl.gov
+ *              505 665 1831
+ *
+ *      Experimental Physics and Industrial Control System (EPICS)
+ *
+ *      Copyright 1991, the Regents of the University of California,
+ *      and the University of Chicago Board of Governors.
+ *
+ *      This software was produced under  U.S. Government contracts:
+ *      (W-7405-ENG-36) at the Los Alamos National Laboratory,
+ *      and (W-31-109-ENG-38) at Argonne National Laboratory.
+ *
+ *      Initial development by:
+ *              The Controls and Automation Group (AT-8)
+ *              Ground Test Accelerator
+ *              Accelerator Technology Division
+ *              Los Alamos National Laboratory
+ *
+ *      Co-developed with
+ *              The Controls and Computing Group
+ *              Accelerator Systems Division
+ *              Advanced Photon Source
+ *              Argonne National Laboratory
+ *
+ */
+
+void epicsTimerExample ( void );
+
+int main ( int /* argc */, char /* *argv[] */ )
+{
+    epicsTimerExample ();
+    return 0;
+}