hubert.reinterpretcast created this revision. hubert.reinterpretcast added reviewers: xingxue, daltenty, jasonliu. Herald added subscribers: jfb, arphaman. Herald added a project: clang.
Some tests perform deep recursion, which requires a larger pthread stack size than the relatively low default of 192 KiB for 64-bit processes on AIX. The `AIXTHREAD_STK` environment variable provides a non-intrusive way to request a larger pthread stack size for the tests. The required pthread stack size depends on the build configuration. A 4 MiB default is generous compared to the 512 KiB of macOS; however, it is known that some compilers on AIX produce code that uses comparatively more stack space. Repository: rC Clang https://reviews.llvm.org/D65688 Files: test/Index/lit.local.cfg Index: test/Index/lit.local.cfg =================================================================== --- /dev/null +++ test/Index/lit.local.cfg @@ -0,0 +1,12 @@ +import platform + +# Some tests perform deep recursion, which requires a larger pthread stack size +# than the relatively low default of 192 KiB for 64-bit processes on AIX. The +# `AIXTHREAD_STK` environment variable provides a non-intrusive way to request +# a larger pthread stack size for the tests. Various applications and runtime +# libraries on AIX use a default pthread stack size of 4 MiB, so we will use +# that as a default value here. +if 'AIXTHREAD_STK' in os.environ: + config.environment['AIXTHREAD_STK'] = os.environ['AIXTHREAD_STK'] +elif platform.system() == 'AIX': + config.environment['AIXTHREAD_STK'] = '4194304'
Index: test/Index/lit.local.cfg =================================================================== --- /dev/null +++ test/Index/lit.local.cfg @@ -0,0 +1,12 @@ +import platform + +# Some tests perform deep recursion, which requires a larger pthread stack size +# than the relatively low default of 192 KiB for 64-bit processes on AIX. The +# `AIXTHREAD_STK` environment variable provides a non-intrusive way to request +# a larger pthread stack size for the tests. Various applications and runtime +# libraries on AIX use a default pthread stack size of 4 MiB, so we will use +# that as a default value here. +if 'AIXTHREAD_STK' in os.environ: + config.environment['AIXTHREAD_STK'] = os.environ['AIXTHREAD_STK'] +elif platform.system() == 'AIX': + config.environment['AIXTHREAD_STK'] = '4194304'
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