* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
*
* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
* or visit www.oracle.com if you need additional information or have any
* questions.
*
*/
#ifndef OS_WINDOWS_VM_INTERFACESUPPORT_WINDOWS_HPP
#define OS_WINDOWS_VM_INTERFACESUPPORT_WINDOWS_HPP
// Contains inlined functions for class InterfaceSupport
static inline void serialize_memory(JavaThread *thread) {
// due to chained nature of SEH handlers we have to be sure
// that our handler is always last handler before an attempt to write
// into serialization page - it can fault if we access this page
// right in the middle of protect/unprotect sequence by remote
// membar logic.
// __try/__except are very lightweight operations (only several
// instructions not affecting control flow directly on x86)
// so we can use it here, on very time critical path
__try {
os::write_memory_serialize_page(thread);
} __except (os::win32::
serialize_fault_filter((_EXCEPTION_POINTERS*)_exception_info()))
{}
}
#endif // OS_WINDOWS_VM_INTERFACESUPPORT_WINDOWS_HPP
__declspec(dllexport) int WINAPI Win32Main(HINSTANCE hInstance, HINSTANCE hPrevInstance, LPSTR lpszCmdLine, int nCmdShow)
{
HRESULT hr;
// seed the random number generator with the current time
// (GetTickCount may be semi-predictable on server startup, so we add the
// clock time to shake things up a bit)
srand(GetTickCount() + (int)time(NULL));
// mmf why is this done?
// shift the stack locals and the heap by a random amount.
char* pzSpacer = new char[4 * (int)random(21, 256)];
pzSpacer[0] = *(char*)_alloca(4 * (int)random(1, 256));
__try {
do {
#ifdef SRVLOG
InitializeDebugf();
#endif
InitializeLogchat(); // mmf
BreakOnError(hr = Window::StaticInitialize());
// BUILD_DX9 - KGJV use runtime dynamic instead at preprocessor level
if (g_papp->IsBuildDX9())
{
BreakOnError(hr = g_papp->Initialize(lpszCmdLine));
}
else
{
// Don't throw an error, if the user selects cancel it can return E_FAIL.
hr = g_papp->Initialize(lpszCmdLine);
}
// BUILD_DX9
//
// Win32App::Initialize() return S_FALSE if this is a command line app and
// we shouldn't run the message loop
//
if (SUCCEEDED(hr) && S_FALSE != hr) {
Window::MessageLoop();
}
g_papp->Terminate();
Window::StaticTerminate();
#ifdef SRVLOG
TerminateDebugf();
#endif
TerminateLogchat(); // mmf
} while (false);
} __except (g_papp->OnException(_exception_code(), (ExceptionData*)_exception_info())){
}
delete pzSpacer;
return 0;
}
