gdbstub: Close connection in gdb_exit

On Windows, this is required to flush the remaining data in the IO stream,
otherwise Gdb do not receive the last packet.

Version 2:
   Fix linux-user build error.

Signed-off-by: Fabien Chouteau <chouteau@adacore.com>
Signed-off-by: Edgar E. Iglesias <edgar.iglesias@petalogix.com>

1 files changed, 6 insertions, 0 deletions

diff --git a/gdbstub.c b/gdbstub.c
index 0aa081b13b..d6556c9a2f 100644
--- a/gdbstub.c
+++ b/gdbstub.c
@@ -2391,6 +2391,12 @@ void gdb_exit(CPUState *env, int code)
 
   snprintf(buf, sizeof(buf), "W%02x", (uint8_t)code);
   put_packet(s, buf);
+
+#ifndef CONFIG_USER_ONLY
+  if (s->chr) {
+      qemu_chr_close(s->chr);
+  }
+#endif
 }
 
 #ifdef CONFIG_USER_ONLY