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