[PULL 20/30] gdbstub: ensure we clean-up when terminated

["Alex Bennée" <alex.bennee@linaro.org>]

If you kill the inferior from GDB we end up leaving our socket lying
around. Fix this by calling gdb_exit() first.

Signed-off-by: Alex Bennée <alex.bennee@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Message-Id: <20210108224256.2321-10-alex.bennee@linaro.org>

diff --git a/gdbstub.c b/gdbstub.c
index bab8476357..8c301edf32 100644
--- a/gdbstub.c
+++ b/gdbstub.c
@@ -1978,6 +1978,7 @@ static void handle_v_kill(GdbCmdContext *gdb_ctx, void *user_ctx)
     /* Kill the target */
     put_packet("OK");
     error_report("QEMU: Terminated via GDBstub");
+    gdb_exit(0);
     exit(0);
 }
 
@@ -2539,6 +2540,7 @@ static int gdb_handle_packet(const char *line_buf)
     case 'k':
         /* Kill the target */
         error_report("QEMU: Terminated via GDBstub");
+        gdb_exit(0);
         exit(0);
     case 'D':
         {
-- 
2.20.1