--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/hotspot/src/os/windows/vm/jvm_windows.cpp	Sat Dec 01 00:00:00 2007 +0000
@@ -0,0 +1,125 @@
+/*
+ * Copyright 1998-2007 Sun Microsystems, Inc.  All Rights Reserved.
+ * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
+ *
+ * This code is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License version 2 only, as
+ * published by the Free Software Foundation.
+ *
+ * This code is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
+ * version 2 for more details (a copy is included in the LICENSE file that
+ * accompanied this code).
+ *
+ * You should have received a copy of the GNU General Public License version
+ * 2 along with this work; if not, write to the Free Software Foundation,
+ * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
+ *
+ * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
+ * CA 95054 USA or visit www.sun.com if you need additional information or
+ * have any questions.
+ *
+ */
+
+#include "incls/_precompiled.incl"
+#include "incls/_jvm_windows.cpp.incl"
+
+#include <signal.h>
+
+JVM_LEAF(void*, JVM_GetThreadInterruptEvent())
+  return Thread::current()->osthread()->interrupt_event();
+JVM_END
+
+// sun.misc.Signal ///////////////////////////////////////////////////////////
+// Signal code is mostly copied from classic vm, signals_md.c   1.4 98/08/23
+/*
+ * This function is included primarily as a debugging aid. If Java is
+ * running in a console window, then pressing <CTRL-BREAK> will cause
+ * the current state of all active threads and monitors to be written
+ * to the console window.
+ */
+
+JVM_ENTRY_NO_ENV(void*, JVM_RegisterSignal(jint sig, void* handler))
+  // Copied from classic vm
+  // signals_md.c       1.4 98/08/23
+  void* newHandler = handler == (void *)2
+                   ? os::user_handler()
+                   : handler;
+  switch (sig) {
+   case SIGFPE:
+     return (void *)-1; /* already used by VM */
+   case SIGBREAK:
+     if (!ReduceSignalUsage) return (void *)-1;
+
+    /* The following signals are used for Shutdown Hooks support. However, if
+       ReduceSignalUsage (-Xrs) is set, Shutdown Hooks must be invoked via
+       System.exit(), Java is not allowed to use these signals, and the the
+       user is allowed to set his own _native_ handler for these signals and
+       invoke System.exit() as needed. Terminator.setup() is avoiding
+       registration of these signals when -Xrs is present. */
+   case SHUTDOWN1_SIGNAL:
+   case SHUTDOWN2_SIGNAL:
+     if (ReduceSignalUsage) return (void*)-1;
+  }
+
+  void* oldHandler = os::signal(sig, newHandler);
+  if (oldHandler == os::user_handler()) {
+      return (void *)2;
+  } else {
+      return oldHandler;
+  }
+JVM_END
+
+
+JVM_ENTRY_NO_ENV(jboolean, JVM_RaiseSignal(jint sig))
+  if (ReduceSignalUsage) {
+    // do not allow SHUTDOWN1_SIGNAL,SHUTDOWN2_SIGNAL,BREAK_SIGNAL
+    // to be raised when ReduceSignalUsage is set, since no handler
+    // for them is actually registered in JVM or via JVM_RegisterSignal.
+    if (sig == SHUTDOWN1_SIGNAL || sig == SHUTDOWN2_SIGNAL ||
+        sig == SIGBREAK) {
+      return JNI_FALSE;
+    }
+  }
+  os::signal_raise(sig);
+  return JNI_TRUE;
+JVM_END
+
+
+/*
+  All the defined signal names for Windows.
+
+  NOTE that not all of these names are accepted by FindSignal!
+
+  For various reasons some of these may be rejected at runtime.
+
+  Here are the names currently accepted by a user of sun.misc.Signal with
+  1.4.1 (ignoring potential interaction with use of chaining, etc):
+
+     (LIST TBD)
+
+*/
+struct siglabel {
+  char *name;
+  int   number;
+};
+
+struct siglabel siglabels[] =
+  /* derived from version 6.0 VC98/include/signal.h */
+  {"ABRT",      SIGABRT,        /* abnormal termination triggered by abort cl */
+  "FPE",        SIGFPE,         /* floating point exception */
+  "SEGV",       SIGSEGV,        /* segment violation */
+  "INT",        SIGINT,         /* interrupt */
+  "TERM",       SIGTERM,        /* software term signal from kill */
+  "BREAK",      SIGBREAK,       /* Ctrl-Break sequence */
+  "ILL",        SIGILL};        /* illegal instruction */
+
+JVM_ENTRY_NO_ENV(jint, JVM_FindSignal(const char *name))
+  /* find and return the named signal's number */
+
+  for(int i=0;i<sizeof(siglabels)/sizeof(struct siglabel);i++)
+    if(!strcmp(name, siglabels[i].name))
+      return siglabels[i].number;
+  return -1;
+JVM_END