// win32.h -- Helper functions for Microsoft-flavored OSs.
-/* Copyright (C) 2002 Free Software Foundation
+/* Copyright (C) 2002, 2003, 2006 Free Software Foundation
This file is part of libgcj.
#ifndef __JV_WIN32_H__
#define __JV_WIN32_H__
+// Enable UNICODE support?
+
+#ifdef MINGW_LIBGCJ_UNICODE
+#define UNICODE
+#define _UNICODE
+#endif // MINGW_LIBGCJ_UNICODE
+
+#include <tchar.h>
+
+// Includes
+#define WIN32_LEAN_AND_MEAN
+// Force Winsock 2 interface.
+#include <winsock2.h>
#include <windows.h>
+#undef WIN32_LEAN_AND_MEAN
#undef STRICT
-#undef __INSIDE_CYGWIN__
-#include <winsock.h>
+#include <ws2tcpip.h>
#include <gcj/cni.h>
+#include <jvm.h>
#include <java/util/Properties.h>
+#include <io.h>
+
+/* Begin UNICODE Support Classes and Functions */
+
+/* Helper class which creates a temporary, null-terminated,
+ wide-character C string. */
+class _Jv_Win32TempString
+{
+public:
+ _Jv_Win32TempString(jstring jstr);
+ ~_Jv_Win32TempString();
+
+// Accessors
+ operator LPCTSTR() const
+ {
+ return buf_;
+ }
+ LPCTSTR buf() const
+ {
+ return buf_;
+ }
+ LPTSTR buf()
+ {
+ return buf_;
+ }
+
+private:
+ TCHAR stackbuf_[500];
+ LPTSTR buf_;
+};
+
+// Mimics the JV_TEMP_STRING_UTF macro in jvm.h
+#define JV_TEMP_STRING_WIN32(x,y) _Jv_Win32TempString x(y);
+
+// Creates a jstring from a LPCTSTR
+extern jstring _Jv_Win32NewString (LPCTSTR pcsz);
+
+/* End UNICODE Helpers */
+
+// Prefix and suffix for shared libraries.
+#define _Jv_platform_solib_prefix ""
+#define _Jv_platform_solib_suffix ".dll"
+
+// Separator for file name components.
+#define _Jv_platform_file_separator ((jchar) '\\')
+// Separator for path components.
+#define _Jv_platform_path_separator ((jchar) ';')
+
+// List of names for `JNI_OnLoad'. On Win32, JNI_OnLoad is an
+// "stdcall" function taking two pointers (8 bytes) as arguments. It
+// could also have been exported as "JNI_OnLoad@8" (MinGW) or
+// "_JNI_OnLoad@8" (MSVC).
+#define _Jv_platform_onload_names \
+ { "JNI_OnLoad", "JNI_OnLoad@8", "_JNI_OnLoad@8", NULL }
+
+// Type of libffi ABI used by JNICALL methods. NOTE: This must agree
+// with the JNICALL definition in jni.h
+#define _Jv_platform_ffi_abi FFI_STDCALL
+
+/* Useful helper classes and methods. */
+
+/* A C++ wrapper around a WSAEVENT which closes the event
+ in its destructor. If dwSelFlags is non-zero, we also
+ issue an WSAEventSelect on the socket descriptor with
+ the given flags; this is undone by a corresponding call
+ to WSAEventSelect(fd, 0, 0) in our destructor. */
+class WSAEventWrapper
+{
+public:
+ // Default constructor. Call init() after this.
+ WSAEventWrapper();
+ WSAEventWrapper(int fd, DWORD dwSelFlags);
+ ~WSAEventWrapper();
+
+ // Used for two-step initialization after calling
+ // default constructor.
+ void init(int fd, DWORD dwSelFlags);
+
+ int getFD()
+ {
+ return m_fd;
+ }
+
+ WSAEVENT getEventHandle()
+ {
+ return m_hEvent;
+ }
+
+private:
+ WSAEVENT m_hEvent;
+ int m_fd;
+ DWORD m_dwSelFlags;
+};
+
+// Error string text. The int argument is compatible
+// with both int WSAGetLastError() and DWORD GetLastError()
+// I tried avoiding having to pass the error explicitly, but
+// it didn't work this was invoked with say
+// throw new SomeException(_Jv_WinStrError()).
+extern jstring
+_Jv_WinStrError (LPCTSTR lpszPrologue, int nErrorCode);
+
+extern jstring
+_Jv_WinStrError (int nErrorCode);
+
+extern void
+_Jv_ThrowIOException (DWORD dwErrorCode);
+
+extern void
+_Jv_ThrowIOException ();
+
+extern void
+_Jv_ThrowSocketException (DWORD dwErrorCode);
+
+extern void
+_Jv_ThrowSocketException ();
+
+// Platform implementation
extern void _Jv_platform_initialize (void);
extern void _Jv_platform_initProperties (java::util::Properties*);
extern jlong _Jv_platform_gettimeofday ();
+extern jlong _Jv_platform_nanotime ();
+extern int _Jv_pipe (int filedes[2]);
+
+extern void
+_Jv_platform_close_on_exec (HANDLE h);
+#ifdef JV_HASH_SYNCHRONIZATION
+/* Suspends the execution of the current thread for the specified
+ number of microseconds. Tries to emulate the behaviour of usleep()
+ on UNIX and provides a granularity of 1 millisecond. */
inline void
-_Jv_platform_close_on_exec (jint)
+_Jv_platform_usleep (unsigned long usecs)
{
- // Ignore.
+ if (usecs > 0UL)
+ {
+ unsigned long millis = ((usecs + 999UL) / 1000UL);
+ Sleep (millis);
+ }
}
+#endif /* JV_HASH_SYNCHRONIZATION */
+
+// Forward declaration. See java-stack.h for definition.
+struct _Jv_AddrInfo;
+
+// Given an address, determine the executable or shared object that defines
+// it and the nearest named symbol.
+extern int _Jv_platform_dladdr (void *addr, _Jv_AddrInfo *info);
#endif /* __JV_WIN32_H__ */
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