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[lit] Use multiprocessing based parallelism by default, on Unix.

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llvm-svn: 193279
This commit is contained in:
Daniel Dunbar 2013-10-23 22:19:07 +00:00
parent 15c5df2a55
commit 3903598ad6
1 changed files with 7 additions and 3 deletions
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10
utils/lit/lit/main.py
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@ -115,6 +115,10 @@ def main(builtinParameters = {}):
# FIXME: This is a hack.
sys.setcheckinterval(1000)
# Use processes by default on Unix platforms.
isWindows = platform.system() == 'Windows'
useProcessesIsDefault = not isWindows
global options
from optparse import OptionParser, OptionGroup
parser = OptionParser("usage: %prog [options] {file-or-path}")
@ -199,10 +203,10 @@ def main(builtinParameters = {}):
action="store_true", default=False)
group.add_option("", "--use-processes", dest="useProcesses",
help="Run tests in parallel with processes (not threads)",
action="store_true", default=False)
action="store_true", default=useProcessesIsDefault)
group.add_option("", "--use-threads", dest="useProcesses",
help="Run tests in parallel with threads (not processes)",
action="store_false", default=False)
action="store_false", default=not useProcessesIsDefault)
parser.add_option_group(group)
(opts, args) = parser.parse_args()
@ -241,7 +245,7 @@ def main(builtinParameters = {}):
valgrindArgs = opts.valgrindArgs,
noExecute = opts.noExecute,
debug = opts.debug,
isWindows = (platform.system()=='Windows'),
isWindows = isWindows,
params = userParams,
config_prefix = opts.configPrefix)