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make robust for tests

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This commit is contained in:
Anthony Scopatz 2019-10-05 13:43:06 -04:00
parent 3597da1bba
commit 69df412445
1 changed files with 8 additions and 2 deletions
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10
xonsh/proc.py
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@ -827,7 +827,10 @@ class PopenThread(threading.Thread):
def _disable_suspend_keybind(self):
if ON_WINDOWS:
return
mode = termios.tcgetattr(0) # only makes sense for stdin
try:
mode = termios.tcgetattr(0) # only makes sense for stdin
except termios.error:
return
self._tc_cc_vsusp = mode[CC][termios.VSUSP]
mode[CC][termios.VSUSP] = b'\x00' # set ^Z (ie SIGSTOP) to undefined
termios.tcsetattr(0, termios.TCSANOW, mode)
@ -835,7 +838,10 @@ class PopenThread(threading.Thread):
def _restore_suspend_keybind(self):
if ON_WINDOWS:
return
mode = termios.tcgetattr(0) # only makes sense for stdin
try:
mode = termios.tcgetattr(0) # only makes sense for stdin
except termios.error:
return
mode[CC][termios.VSUSP] = self._tc_cc_vsusp # set ^Z (ie SIGSTOP) to original
try:
# this usually doesn't work in interactive mode,