From 8b782cd6bb15493ed0d33a65d50ba778702d47fc Mon Sep 17 00:00:00 2001
From: Jeff Hill <johill@lanl.gov>
Date: Wed, 28 Mar 2001 15:49:25 +0000
Subject: [PATCH] added thread private test

---
 src/libCom/test/Makefile                      |  4 +
 src/libCom/test/epicsThreadPrivateTest.cpp    | 76 +++++++++++++++++++
 .../test/epicsThreadPrivateTestMain.cpp       | 12 +++
 3 files changed, 92 insertions(+)
 create mode 100644 src/libCom/test/epicsThreadPrivateTest.cpp
 create mode 100644 src/libCom/test/epicsThreadPrivateTestMain.cpp

diff --git a/src/libCom/test/Makefile b/src/libCom/test/Makefile
index 2c54b85a3..edf1cce36 100644
--- a/src/libCom/test/Makefile
+++ b/src/libCom/test/Makefile
@@ -22,6 +22,10 @@ epicsThreadTestHost_SRCS += epicsThreadTestMain.cpp epicsThreadTest.cpp
 PROD += epicsThreadTestHost
 OBJS_IOC += epicsThreadTest
 
+epicsThreadPrivateTestHost_SRCS += epicsThreadPrivateTestMain.cpp epicsThreadPrivateTest.cpp
+PROD += epicsThreadPrivateTestHost
+OBJS_IOC += epicsThreadPrivateTest
+
 timerTestHost_SRCS += timerTestMain.c timerTest.c
 PROD += timerTestHost
 OBJS_IOC += timerTest
diff --git a/src/libCom/test/epicsThreadPrivateTest.cpp b/src/libCom/test/epicsThreadPrivateTest.cpp
new file mode 100644
index 000000000..9a8cc71ce
--- /dev/null
+++ b/src/libCom/test/epicsThreadPrivateTest.cpp
@@ -0,0 +1,76 @@
+/* $Id$ */
+
+/* Author: Jeff Hill Date:    March 28 2001 */
+
+
+#include "epicsTime.h"
+#include "epicsThread.h"
+#include "epicsAssert.h"
+
+static bool doneFlag = false;
+void epicsThreadPrivateTestThread ( void *pParm )
+{
+    epicsThreadPrivateId id = static_cast < epicsThreadPrivateId > ( pParm );
+    assert ( 0 == epicsThreadPrivateGet ( id ) );
+    doneFlag = true;
+}
+
+inline void callItTenTimes ( const epicsThreadPrivateId &id )
+{
+    void *pParm;
+    pParm = epicsThreadPrivateGet ( id );
+    pParm = epicsThreadPrivateGet ( id );
+    pParm = epicsThreadPrivateGet ( id );
+    pParm = epicsThreadPrivateGet ( id );
+    pParm = epicsThreadPrivateGet ( id );
+    pParm = epicsThreadPrivateGet ( id );
+    pParm = epicsThreadPrivateGet ( id );
+    pParm = epicsThreadPrivateGet ( id );
+    pParm = epicsThreadPrivateGet ( id );
+    pParm = epicsThreadPrivateGet ( id );
+}
+
+inline void callItTenTimesSquared ( const epicsThreadPrivateId &id )
+{
+    callItTenTimes ( id );
+    callItTenTimes ( id );
+    callItTenTimes ( id );
+    callItTenTimes ( id );
+    callItTenTimes ( id );
+    callItTenTimes ( id );
+    callItTenTimes ( id );
+    callItTenTimes ( id );
+    callItTenTimes ( id );
+    callItTenTimes ( id );
+}
+
+void epicsThreadPrivateTest ()
+{
+    static int var;
+    epicsThreadPrivateId id = epicsThreadPrivateCreate ();
+    assert ( id );
+    epicsThreadPrivateSet ( id, &var );
+    assert ( &var == epicsThreadPrivateGet ( id ) );
+
+    epicsThreadCreate ( "epicsThreadPrivateTest", epicsThreadPriorityMax, 
+        epicsThreadStackSmall, epicsThreadPrivateTestThread, id );
+    while ( ! doneFlag ) {
+        epicsThreadSleep ( 0.01 );
+    }
+
+    epicsThreadPrivateSet ( id, 0 );
+    assert ( 0 == epicsThreadPrivateGet ( id ) );
+
+    epicsTime begin = epicsTime::getCurrent ();
+    static const unsigned N = 100000u;
+    for ( unsigned i = 0u; i < N; i++ ) {
+        callItTenTimesSquared ( id );
+    }
+    double delay = epicsTime::getCurrent() - begin;
+    delay /= N * 100u; // convert to sec per call
+    delay *= 1e6; // convert to micro sec
+    printf ( "It takes %f micro sec to call epicsThreadPrivateGet()\n", delay );
+
+    epicsThreadPrivateDelete ( id );
+}
+
diff --git a/src/libCom/test/epicsThreadPrivateTestMain.cpp b/src/libCom/test/epicsThreadPrivateTestMain.cpp
new file mode 100644
index 000000000..52f6d083f
--- /dev/null
+++ b/src/libCom/test/epicsThreadPrivateTestMain.cpp
@@ -0,0 +1,12 @@
+
+/* $Id$ */
+
+/* Author: Jeff Hill Date:    March 28 2001 */
+
+void epicsThreadPrivateTest ();
+
+int main ()
+{
+    epicsThreadPrivateTest ();
+    return 0;
+}
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