2007-07-08  Pedro Alves  <pedro_alves@portugalmail.pt>

	* server.h (remote_connected): Declare.
	* remote-utils.c (remote_connected): Define.
	* win32-low.c (handle_output_debug_string): Don't send data to a
	non-existing remote.

---
 gdb/gdbserver/remote-utils.c |    6 ++++++
 gdb/gdbserver/server.h       |    2 ++
 gdb/gdbserver/win32-low.c    |    3 +++
 3 files changed, 11 insertions(+)

Index: src/gdb/gdbserver/remote-utils.c
===================================================================
--- src.orig/gdb/gdbserver/remote-utils.c	2007-07-08 00:58:26.000000000 +0100
+++ src/gdb/gdbserver/remote-utils.c	2007-07-08 01:04:38.000000000 +0100
@@ -1242,3 +1242,9 @@ xml_escape_text (const char *text)
 
   return result;
 }
+
+int
+remote_connected (void)
+{
+  return (remote_desc != -1);
+}
Index: src/gdb/gdbserver/win32-low.c
===================================================================
--- src.orig/gdb/gdbserver/win32-low.c	2007-07-08 00:52:44.000000000 +0100
+++ src/gdb/gdbserver/win32-low.c	2007-07-08 01:05:52.000000000 +0100
@@ -544,6 +544,9 @@ handle_output_debug_string (struct targe
   char s[READ_BUFFER_LEN + 1] = { 0 };
   DWORD nbytes = current_event.u.DebugString.nDebugStringLength;
 
+  if (!remote_connected ())
+    return;
+
   if (nbytes == 0)
     return;
 
Index: src/gdb/gdbserver/server.h
===================================================================
--- src.orig/gdb/gdbserver/server.h	2007-07-08 01:01:06.000000000 +0100
+++ src/gdb/gdbserver/server.h	2007-07-08 01:04:54.000000000 +0100
@@ -205,6 +205,8 @@ void monitor_output (const char *msg);
 
 char *xml_escape_text (const char *text);
 
+int remote_connected (void);
+
 /* Functions from ``signals.c''.  */
 enum target_signal target_signal_from_host (int hostsig);
 int target_signal_to_host_p (enum target_signal oursig);