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comparison tests/test-stdio.py @ 49296:b6b6ae9ea91e

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py3: remove dead code to make file descriptors non-inheritable On Python 3, file descriptors are already non-inheritable by default.
author Manuel Jacob <me@manueljacob.de>
date Sun, 29 May 2022 15:43:21 +0200
parents 6000f5b25c9b
children 402f9f0f9387
comparison
equal deleted inserted replaced
49295:7d9a45c7517f 49296:b6b6ae9ea91e
12 import sys 12 import sys
13 import tempfile 13 import tempfile
14 import unittest 14 import unittest
15 15
16 from mercurial import pycompat, util 16 from mercurial import pycompat, util
17
18
19 if pycompat.ispy3:
20
21 def set_noninheritable(fd):
22 # On Python 3, file descriptors are non-inheritable by default.
23 pass
24
25
26 else:
27 if pycompat.iswindows:
28 # unused
29 set_noninheritable = None
30 else:
31 import fcntl
32
33 def set_noninheritable(fd):
34 old = fcntl.fcntl(fd, fcntl.F_GETFD)
35 fcntl.fcntl(fd, fcntl.F_SETFD, old | fcntl.FD_CLOEXEC)
36 17
37 18
38 TEST_BUFFERING_CHILD_SCRIPT = r''' 19 TEST_BUFFERING_CHILD_SCRIPT = r'''
39 import os 20 import os
40 21
125 106
126 107
127 @contextlib.contextmanager 108 @contextlib.contextmanager
128 def _pipes(): 109 def _pipes():
129 rwpair = os.pipe() 110 rwpair = os.pipe()
130 # Pipes are already non-inheritable on Windows.
131 if not pycompat.iswindows:
132 set_noninheritable(rwpair[0])
133 set_noninheritable(rwpair[1])
134 with _closing(rwpair): 111 with _closing(rwpair):
135 yield rwpair 112 yield rwpair
136 113
137 114
138 @contextlib.contextmanager 115 @contextlib.contextmanager
141 raise unittest.SkipTest("PTYs are not supported on Windows") 118 raise unittest.SkipTest("PTYs are not supported on Windows")
142 import pty 119 import pty
143 import tty 120 import tty
144 121
145 rwpair = pty.openpty() 122 rwpair = pty.openpty()
146 set_noninheritable(rwpair[0])
147 set_noninheritable(rwpair[1])
148 with _closing(rwpair): 123 with _closing(rwpair):
149 tty.setraw(rwpair[0]) 124 tty.setraw(rwpair[0])
150 yield rwpair 125 yield rwpair
151 126
152 127