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lit: Allow use of /dev/null in redirects on Windows (replace by a temporary

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file).

llvm-svn: 85028
This commit is contained in:
Daniel Dunbar 2009-10-25 01:37:26 +00:00
parent 7af2399458
commit 69b298e1c2
1 changed files with 8 additions and 1 deletions
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9
utils/lit/TestRunner.py
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@ -15,6 +15,10 @@ class InternalShellError(Exception):
# Don't use close_fds on Windows.
kUseCloseFDs = platform.system() != 'Windows'
# Use temporary files to replace /dev/null on Windows.
kAvoidDevNull = platform.system() == 'Windows'
def executeCommand(command, cwd=None, env=None):
p = subprocess.Popen(command, cwd=cwd,
stdin=subprocess.PIPE,
@ -104,7 +108,10 @@ def executeShCmd(cmd, cfg, cwd, results):
result = subprocess.PIPE
else:
if r[2] is None:
r[2] = open(r[0], r[1])
if kAvoidDevNull and r[0] == '/dev/null':
r[2] = tempfile.TemporaryFile(mode=r[1])
else:
r[2] = open(r[0], r[1])
result = r[2]
final_redirects.append(result)