2008-09-03 Angela Marie Thomas <angela@releasedominatrix.com>

	* ser-tcp.c (ser_tcp_send_break): New function.
	(_initialize_ser_tcp): Use ser_tcp_send_break.
	* ser-tcp.h (ser_tcp_send_break): New prototype.

2008-09-03  Angela Marie Thomas <angela@releasedominatrix.com>

	* gdb.texinfo (Interrupts): Mention TCP interface for
	sending BREAK.

6 files changed, 25 insertions, 5 deletions

diff --git a/gdb/ChangeLog b/gdb/ChangeLog
index 856fed0895e..e9f8b83c282 100644
--- a/gdb/ChangeLog
+++ b/gdb/ChangeLog
@@ -1,3 +1,9 @@
+2008-09-03  Angela Marie Thomas <angela@releasedominatrix.com>
+
+	* ser-tcp.c (ser_tcp_send_break): New function.
+	(_initialize_ser_tcp): Use ser_tcp_send_break.
+	* ser-tcp.h (ser_tcp_send_break): New prototype.
+
 2008-09-03  Ulrich Weigand  <uweigand@de.ibm.com>
 
 	* spu-tdep.c (spu_push_dummy_call): Update all stack pointer slots
diff --git a/gdb/doc/ChangeLog b/gdb/doc/ChangeLog
index bb1ac1f0c23..21605744af9 100644
--- a/gdb/doc/ChangeLog
+++ b/gdb/doc/ChangeLog
@@ -1,3 +1,8 @@
+2008-09-03  Angela Marie Thomas <angela@releasedominatrix.com>
+
+	* gdb.texinfo (Interrupts): Mention TCP interface for
+	sending BREAK.
+
 2008-08-26  Ulrich Weigand  <uweigand@de.ibm.com>
 
 	* gdb.texinfo (Commands to Specify Files): Document "remote:"
diff --git a/gdb/doc/gdb.texinfo b/gdb/doc/gdb.texinfo
index 60fc4b96c63..4a36fec6ce5 100644
--- a/gdb/doc/gdb.texinfo
+++ b/gdb/doc/gdb.texinfo
@@ -26054,9 +26054,10 @@ control of which is specified via @value{GDBN}'s @samp{remotebreak}
 setting (@pxref{set remotebreak}).
 
 The precise meaning of @code{BREAK} is defined by the transport
-mechanism and may, in fact, be undefined.  @value{GDBN} does
-not currently define a @code{BREAK} mechanism for any of the network
-interfaces.
+mechanism and may, in fact, be undefined.  @value{GDBN} does not
+currently define a @code{BREAK} mechanism for any of the network
+interfaces except for TCP, in which case @value{GDBN} sends the
+@code{telnet} BREAK sequence.
 
 @samp{Ctrl-C}, on the other hand, is defined and implemented for all
 transport mechanisms.  It is represented by sending the single byte
diff --git a/gdb/ser-mingw.c b/gdb/ser-mingw.c
index a4d5752ba44..98b8368e953 100644
--- a/gdb/ser-mingw.c
+++ b/gdb/ser-mingw.c
@@ -1256,7 +1256,7 @@ _initialize_ser_windows (void)
   ops->write = ser_base_write;
   ops->flush_output = ser_base_flush_output;
   ops->flush_input = ser_base_flush_input;
-  ops->send_break = ser_base_send_break;
+  ops->send_break = ser_tcp_send_break;
   ops->go_raw = ser_base_raw;
   ops->get_tty_state = ser_base_get_tty_state;
   ops->set_tty_state = ser_base_set_tty_state;
diff --git a/gdb/ser-tcp.c b/gdb/ser-tcp.c
index 6dd83426845..dcf288da59f 100644
--- a/gdb/ser-tcp.c
+++ b/gdb/ser-tcp.c
@@ -257,6 +257,13 @@ net_write_prim (struct serial *scb, const void *buf, size_t count)
   return send (scb->fd, buf, count, 0);
 }
 
+int
+ser_tcp_send_break (struct serial *scb)
+{
+  /* Send telnet IAC and BREAK characters. */
+  return (serial_write (scb, "\377\363", 2));
+}
+
 void
 _initialize_ser_tcp (void)
 {
@@ -276,7 +283,7 @@ _initialize_ser_tcp (void)
   ops->write = ser_base_write;
   ops->flush_output = ser_base_flush_output;
   ops->flush_input = ser_base_flush_input;
-  ops->send_break = ser_base_send_break;
+  ops->send_break = ser_tcp_send_break;
   ops->go_raw = ser_base_raw;
   ops->get_tty_state = ser_base_get_tty_state;
   ops->set_tty_state = ser_base_set_tty_state;
diff --git a/gdb/ser-tcp.h b/gdb/ser-tcp.h
index 2fd505207f6..f43db2eabdc 100644
--- a/gdb/ser-tcp.h
+++ b/gdb/ser-tcp.h
@@ -26,5 +26,6 @@ extern int net_open (struct serial *scb, const char *name);
 extern void net_close (struct serial *scb);
 extern int net_read_prim (struct serial *scb, size_t count);
 extern int net_write_prim (struct serial *scb, const void *buf, size_t count);
+extern int ser_tcp_send_break (struct serial *scb);
 
 #endif