114 lines
2.7 KiB
C++
114 lines
2.7 KiB
C++
/*************************************************************************\
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* Copyright (c) 2002 The University of Chicago, as Operator of Argonne
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* National Laboratory.
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* Copyright (c) 2002 The Regents of the University of California, as
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* Operator of Los Alamos National Laboratory.
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* EPICS BASE Versions 3.13.7
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* and higher are distributed subject to a Software License Agreement found
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* in file LICENSE that is included with this distribution.
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\*************************************************************************/
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//
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// Verify that the local c++ exception mechanism maches the ANSI/ISO standard.
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// Author: Jeff Hill
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//
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#include <new>
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#include <iostream>
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#if defined(__GNUC__) && (__GNUC__<2 || (__GNUC__==2 && __GNUC_MINOR__<=96))
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#include <climits>
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#else
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#include <limits>
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#endif
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#include <assert.h>
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#include <stdio.h>
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#include "epicsThread.h"
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using namespace std;
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#if defined(__BORLANDC__) && defined(__linux__)
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namespace std {
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const nothrow_t nothrow ;
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}
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#endif
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#if defined ( _MSC_VER )
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// some interesting bugs found in the MS implementation of new
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# if _MSC_VER > 1310 /* this gets fixed some release after visual studio 7 we hope */
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static const size_t unsuccessfulNewSize = numeric_limits<size_t>::max();
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# else
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static const size_t unsuccessfulNewSize = numeric_limits<size_t>::max()-100;
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# endif
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#elif defined(__GNUC__) && (__GNUC__<2 || (__GNUC__==2 && __GNUC_MINOR__<=96))
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// tornado does not supply ansi c++
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static const size_t unsuccessfulNewSize = UINT_MAX;
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#else
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static const size_t unsuccessfulNewSize = numeric_limits<size_t>::max();
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#endif
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class exThread : public epicsThreadRunable {
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public:
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exThread ();
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void waitForCompletion ();
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private:
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epicsThread thread;
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bool done;
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void run ();
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};
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static void epicsExceptionTestPrivate ()
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{
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int excep = false;
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try {
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new char [unsuccessfulNewSize];
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assert ( 0 );
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}
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catch ( const bad_alloc & ) {
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excep = true;
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}
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catch ( ... ) {
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assert ( 0 );
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}
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try {
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char * p = new ( nothrow )
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char [unsuccessfulNewSize];
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assert ( p == 0);
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}
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catch( ... ) {
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assert ( 0 );
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}
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}
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exThread::exThread () :
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thread ( *this, "testExceptions", epicsThreadGetStackSize(epicsThreadStackSmall) ),
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done ( false )
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{
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this->thread.start ();
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}
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void exThread::run ()
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{
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epicsExceptionTestPrivate ();
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this->done = true;
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}
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void exThread::waitForCompletion ()
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{
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while ( ! this->done ) {
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epicsThreadSleep ( 0.1 );
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}
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}
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extern "C" void epicsExceptionTest ()
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{
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exThread athread;
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epicsExceptionTestPrivate ();
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athread.waitForCompletion ();
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printf ( "Test Complete.\n" );
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}
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