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// $Id$
// ============================================================================
//
// = LIBRARY
// tests
//
// = FILENAME
// DLL_Test.cpp
//
// = DESCRIPTION
// This test illustrates the use of <ACE_DLL> wrapper class.
//
// = AUTHOR
// Kirthika Parameswaran <kirthika@cs.wustl.edu>
//
// ============================================================================
#define ACE_BUILD_SVC_DLL
#include "test_config.h"
#include "DLL_Test.h"
#include "ace/DLL.h"
#include "ace/Auto_Ptr.h"
ACE_RCSID(tests, DLL_Test, "$Id$")
#if !defined (ACE_LACKS_PRAGMA_ONCE)
#pragma once
#endif /* ACE_LACKS_PRAGMA_ONCE */
#if defined(__BORLANDC__) && __BORLANDC__ >= 0x0530
USELIB("..\ace\aced.lib");
//---------------------------------------------------------------------------
#endif /* defined(__BORLANDC__) && __BORLANDC__ >= 0x0530 */
// Considering UNIX OS to be default. On Win32 platforms, the symbols
// are got form the .exe as one cant have .exe and .dll for the same
// .cpp. Also, on Win32 platforms one cant use the .obj to obtain
// symbols dynamically at runtime.
#if defined (ACE_WIN32)
# define OBJ_SUFFIX ".exe"
# define OBJ_PREFIX ""
#else
# define OBJ_SUFFIX ACE_DLL_SUFFIX
# define OBJ_PREFIX "./" ACE_DLL_PREFIX
#endif /*ACE_WIN32*/
// This function returns the Hello object pointer.
extern "C" ACE_Svc_Export Hello *get_hello (void);
Hello *get_hello (void)
{
Hello *hello;
ACE_NEW_RETURN (hello,
Hello,
NULL);
return hello;
}
typedef Hello *(*TC) (void);
int
main (int argc, char *argv[])
{
ACE_UNUSED_ARG (argc);
ACE_UNUSED_ARG (argv);
ACE_START_TEST ("DLL_Test");
// Protection against this test being run on platforms not supporting Dlls.
#if defined (ACE_WIN32) || defined (ACE_HAS_SVR4_DYNAMIC_LINKING) || \
defined (__hpux)
ACE_DLL dll;
int retval = dll.open (OBJ_PREFIX "DLL_Test" OBJ_SUFFIX);
if (retval != 0)
ACE_ERROR_RETURN ((LM_ERROR,
"%p\n",
dll.error ()),
-1);
// Just becos the ANSI C++ spec says you can no longer cast a void* to a
// function pointer. Doesnt allow:TC f = (TC) dll.symbol ("get_hello");
void * foo;
foo = dll.symbol ("get_hello");
// Cast the void* to long first.
long tmp = ACE_reinterpret_cast (long, foo);
TC f = ACE_reinterpret_cast (Hello * (*)(void), tmp);
if (f == 0)
ACE_ERROR_RETURN ((LM_ERROR,
"%p\n",
dll.error ()),
-1);
auto_ptr<Hello> my_hello (f ());
// Make the method calls, as the object pointer is available.
my_hello->say_hello ();
my_hello->say_next ();
#else
ACE_ERROR ((LM_INFO,
ASYS_TEXT ("Dynamically Linkable Libraries not supported on this platform\n")));
#endif /* ACE_WIN32 || ACE_HAS_SVR4_DYNAMIC_LINKING || __hpux */
ACE_END_TEST;
return 0;
}
#if defined (ACE_HAS_EXPLICIT_TEMPLATE_INSTANTIATION)
template class auto_ptr <Hello>;
template class ACE_Auto_Basic_Ptr <Hello>;
#elif defined (ACE_HAS_TEMPLATE_INSTANTIATION_PRAGMA)
#pragma instantiate auto_ptr <Hello>
#pragma instantiate ACE_Auto_Basic_Ptr <Hello>
#endif /* ACE_HAS_EXPLICIT_TEMPLATE_INSTANTIATION */
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