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// win32.cc - Helper functions for Microsoft-flavored OSs.
/* Copyright (C) 2002 Free Software Foundation
This file is part of libgcj.
This software is copyrighted work licensed under the terms of the
Libgcj License. Please consult the file "LIBGCJ_LICENSE" for
details. */
#include <config.h>
#include <jvm.h>
#include <sys/timeb.h>
#include "platform.h"
#include <java/lang/ArithmeticException.h>
static LONG CALLBACK
win32_exception_handler (LPEXCEPTION_POINTERS e)
{
if (e->ExceptionRecord->ExceptionCode == EXCEPTION_ACCESS_VIOLATION)
_Jv_ThrowNullPointerException();
else if (e->ExceptionRecord->ExceptionCode == EXCEPTION_INT_DIVIDE_BY_ZERO)
throw new java::lang::ArithmeticException;
else
return EXCEPTION_CONTINUE_SEARCH;
}
// Platform-specific VM initialization.
void
_Jv_platform_initialize (void)
{
// Initialise winsock for networking
WSADATA data;
if (WSAStartup (MAKEWORD (1, 1), &data))
MessageBox (NULL, "Error initialising winsock library.", "Error",
MB_OK | MB_ICONEXCLAMATION);
// Install exception handler
SetUnhandledExceptionFilter (win32_exception_handler);
}
// gettimeofday implementation.
jlong
_Jv_platform_gettimeofday ()
{
struct timeb t;
ftime (&t);
return t.time * 1000LL + t.millitm;
}
// The following definitions "fake out" mingw to think that -mthreads
// was enabled and that mingwthr.dll was linked. GCJ-compiled
// applications don't need this helper library because we can safely
// detect thread death (return from Thread.run()).
int _CRT_MT = 1;
extern "C" int
__mingwthr_key_dtor (DWORD, void (*) (void *))
{
// FIXME: for now we do nothing; this causes a memory leak of
// approximately 24 bytes per thread created.
return 0;
}
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