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-rw-r--r--test/py/u_boot_spawn.py22
1 files changed, 22 insertions, 0 deletions
diff --git a/test/py/u_boot_spawn.py b/test/py/u_boot_spawn.py
index 24d369035e5..9fa05057848 100644
--- a/test/py/u_boot_spawn.py
+++ b/test/py/u_boot_spawn.py
@@ -5,12 +5,15 @@
Logic to spawn a sub-process and interact with its stdio.
"""
+import io
import os
import re
import pty
import pytest
import signal
import select
+import sys
+import termios
import time
import traceback
@@ -115,11 +118,30 @@ class Spawn:
finally:
os._exit(255)
+ old = None
try:
+ isatty = False
+ try:
+ isatty = os.isatty(sys.stdout.fileno())
+
+ # with --capture=tee-sys we cannot call fileno()
+ except io.UnsupportedOperation as exc:
+ pass
+ if isatty:
+ new = termios.tcgetattr(self.fd)
+ old = new
+ new[3] = new[3] & ~(termios.ICANON | termios.ISIG)
+ new[3] = new[3] & ~termios.ECHO
+ new[6][termios.VMIN] = 0
+ new[6][termios.VTIME] = 0
+ termios.tcsetattr(self.fd, termios.TCSANOW, new)
+
self.poll = select.poll()
self.poll.register(self.fd, select.POLLIN | select.POLLPRI | select.POLLERR |
select.POLLHUP | select.POLLNVAL)
except:
+ if old:
+ termios.tcsetattr(self.fd, termios.TCSANOW, old)
self.close()
raise