lxc/0099-terminal-do-not-close-the-master-fd-of-pty.patch

From bb22a4c3d79d2ad60e00e77cdea7bc782414cf56 Mon Sep 17 00:00:00 2001
From: LiFeng <lifeng68@huawei.com>
Date: Tue, 21 May 2019 04:53:16 -0400
Subject: [PATCH 099/138] terminal: do not close the master fd of pty

Signed-off-by: LiFeng <lifeng68@huawei.com>
---
 src/lxc/terminal.c | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/src/lxc/terminal.c b/src/lxc/terminal.c
index dfce92e..88653b4 100644
--- a/src/lxc/terminal.c
+++ b/src/lxc/terminal.c
@@ -595,6 +595,10 @@ int lxc_terminal_io_cb(int fd, uint32_t events, void *data,
 				if (w_log < 0)
 					TRACE("Failed to write %d bytes to terminal log", r);
 			}
+			/* notes: do not close the master fd due to if we close the fd, the process may
+			 * recive SIGHUP and the exit code will be 129 (128 + 1)
+			 */
+			return LXC_MAINLOOP_CLOSE;
 		} else if (fd == terminal->peer) {
 			if (terminal->tty_state) {
 				lxc_terminal_signal_fini(terminal->tty_state);
-- 
1.8.3.1