[multiple changes]

2000-03-15  Tom Tromey  <tromey@cygnus.com>

	* java/io/natFileDescriptorWin32.cc (winerr): Now static.

	* prims.cc (win32_exception_handler): Reformatted.

	* include/win32-threads.h (_Jv_HaveCondDestroy): New define.
	(_Jv_HaveMutexDestroy): Likewise.

2000-03-15 Jon Beniston <jb7216@bristol.ac.uk>

	* java/io/natFileDescriptorWin32.cc: New file.
	* java/io/natFileWin32.cc: New file.
	* java/net/natInetAddress.cc: Added conditional inclusion of
	Windows / Winsock headers.
	* java/net/natPlainDatagramSocketImpl.cc: Added conditional
	inclusion of Windows / Winsock headers.
	* java/net/natPlainSocketImpl.cc: Added conditional inclusion of
	Windows / Winsock headers.
	* include/win32-signal.h: New file.
	* include/win32-threads.h: New file.
	* win32-threads.cc: New file.
	* exception.cc (win32_get_restart_frame): New function.
	* prims.cc (win32_exception_handler): New function.
	(main_init) Performs Winsock initialisation.
	(main_init) Installs exeception handler.

From-SVN: r32567

2 files changed, 181 insertions, 0 deletions

diff --git a/libjava/include/win32-signal.h b/libjava/include/win32-signal.h
new file mode 100644
index 0000000..b4a60be
--- /dev/null
+++ b/libjava/include/win32-signal.h
@@ -0,0 +1,43 @@
+// win32-signal.h - Catch runtime signals and turn them into exceptions.
+
+/* Copyright (C) 1998, 1999  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.  */
+
+// Exception handling is done totally differently on Win32 this stuff
+// just keeps it compatible
+
+#ifndef JAVA_SIGNAL_H
+#define JAVA_SIGNAL_H 1
+
+#define HANDLE_SEGV 1
+#define HANDLE_FPE 1
+
+#define SIGNAL_HANDLER(_name)	\
+static void _name (int _dummy)
+
+#define MAKE_THROW_FRAME    do {} while (0)
+#define HANDLE_DIVIDE_OVERFLOW	do {} while (0)
+
+#define INIT_SEGV						\
+do								\
+  {								\
+    nullp = new java::lang::NullPointerException ();		\
+  }								\
+while (0)
+
+
+#define INIT_FPE						\
+do								\
+  {								\
+    arithexception = new java::lang::ArithmeticException 	\
+      (JvNewStringLatin1 ("/ by zero"));			\
+  }								\
+while (0)
+
+
+#endif /* JAVA_SIGNAL_H */
diff --git a/libjava/include/win32-threads.h b/libjava/include/win32-threads.h
new file mode 100644
index 0000000..d87fea0
--- /dev/null
+++ b/libjava/include/win32-threads.h
@@ -0,0 +1,138 @@
+// -*- c++ -*-
+// win32-threads.h - Defines for using Win32 threads.
+
+/* Copyright (C) 1998, 1999, 2000  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.  */
+
+#ifndef __JV_WIN32_THREADS__
+#define __JV_WIN32_THREADS__
+
+#include <windows.h>
+
+//
+// Typedefs.
+//
+
+typedef HANDLE _Jv_ConditionVariable_t;
+typedef HANDLE _Jv_Mutex_t;
+
+typedef struct
+{
+  int flags;            // Flags are defined in implementation.
+  HANDLE handle;        // Actual handle to the thread
+} _Jv_Thread_t;
+
+typedef void _Jv_ThreadStartFunc (java::lang::Thread *);
+
+//
+// Condition variables.
+//
+
+inline void
+_Jv_CondInit (_Jv_ConditionVariable_t *cv)
+{
+  *cv = CreateEvent (NULL, 0, 0, NULL);
+}
+
+#define _Jv_HaveCondDestroy
+
+inline void
+_Jv_CondDestroy (_Jv_ConditionVariable_t *cv)
+{
+  CloseHandle (*cv);
+  cv = NULL;
+}
+
+int _Jv_CondWait (_Jv_ConditionVariable_t *cv, _Jv_Mutex_t *mu,
+		  jlong millis, jint nanos);
+
+inline int
+_Jv_CondNotify (_Jv_ConditionVariable_t *cv, _Jv_Mutex_t *)
+{
+  return PulseEvent (*cv) ? 0 : GetLastError ();        // FIXME: Map error code?
+}
+
+inline int
+_Jv_CondNotifyAll (_Jv_ConditionVariable_t *cv, _Jv_Mutex_t *)
+{
+  return PulseEvent (*cv) ? 0 : GetLastError ();        // FIXME: Map error code?
+}
+
+//
+// Mutexes.
+//
+
+inline void
+_Jv_MutexInit (_Jv_Mutex_t *mu)
+{
+  *mu = CreateMutex (NULL, 0, NULL);
+}
+
+#define _Jv_HaveMutexDestroy
+
+inline void
+_Jv_MutexDestroy (_Jv_Mutex_t *mu)
+{
+  CloseHandle (*mu);
+  mu = NULL;
+}
+
+int _Jv_MutexLock (_Jv_Mutex_t *mu);
+
+inline int
+_Jv_MutexUnlock (_Jv_Mutex_t *mu)
+{
+  return ReleaseMutex(*mu) ? 0 : GetLastError();        // FIXME: Map error code?
+}
+
+//
+// Thread creation and manipulation.
+//
+
+void _Jv_InitThreads (void);
+void _Jv_ThreadInitData (_Jv_Thread_t **data, java::lang::Thread *thread);
+
+inline java::lang::Thread *
+_Jv_ThreadCurrent (void)
+{
+  extern DWORD _Jv_ThreadKey;
+  return (java::lang::Thread *) TlsGetValue(_Jv_ThreadKey);
+}
+
+inline _Jv_Thread_t *
+_Jv_ThreadCurrentData (void)
+{
+  extern DWORD _Jv_ThreadDataKey;
+  return (_Jv_Thread_t *) TlsGetValue(_Jv_ThreadDataKey);
+}
+
+inline void
+_Jv_ThreadYield (void)
+{
+  Sleep (0);
+}
+
+void _Jv_ThreadSetPriority (_Jv_Thread_t *data, jint prio);
+void _Jv_ThreadStart (java::lang::Thread *thread, _Jv_Thread_t *data,
+		      _Jv_ThreadStartFunc *meth);
+void _Jv_ThreadWait (void);
+void _Jv_ThreadInterrupt (_Jv_Thread_t *data);
+
+// Remove defines from <windows.h> that conflict with various things in libgcj code
+
+#undef TRUE
+#undef FALSE
+#undef MAX_PRIORITY
+#undef MIN_PRIORITY
+#undef min
+#undef max
+#undef interface
+#undef STRICT
+#undef VOID
+
+#endif /* __JV_WIN32_THREADS__ */