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Teach Lit to catch OSError exceptions when creating a process during the

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execution of a shell command. This can happen for example if the
``RUN:`` line calls a python script which can work correctly under
Linux/OSX but will not work under Windows. A more useful error message
is now shown rather than an unhelpful backtrace.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@220227 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Dan Liew 2014-10-20 20:14:28 +00:00
parent 10646db916
commit 559074a285
1 changed files with 10 additions and 7 deletions
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17
utils/lit/lit/TestRunner.py
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@ -144,13 +144,16 @@ def executeShCmd(cmd, cfg, cwd, results):
named_temp_files.append(f.name)
args[i] = f.name
procs.append(subprocess.Popen(args, cwd=cwd,
executable = executable,
stdin = stdin,
stdout = stdout,
stderr = stderr,
env = cfg.environment,
close_fds = kUseCloseFDs))
try:
procs.append(subprocess.Popen(args, cwd=cwd,
executable = executable,
stdin = stdin,
stdout = stdout,
stderr = stderr,
env = cfg.environment,
close_fds = kUseCloseFDs))
except OSError as e:
raise InternalShellError(j, 'Could not create process due to {}'.format(e))
# Immediately close stdin for any process taking stdin from us.
if stdin == subprocess.PIPE: