components/python/python37/patches/16-test-vmlimit.patch

   1 This patch for a Solaris-specific problem but is a good safety precaution,
   2 so although it is not suitable for upstream as-is, we might offer it in a
   3 slightly tweaked form at some point in the future.
   4
   5 Note that this can also have wrong inpact on other tests (e.g., imap which
   6 tries to allocate huge chunks of virtual memory).
   7
   8 --- Python-3.7.4/Lib/test/libregrtest/setup.py
   9 +++ Python-3.7.4/Lib/test/libregrtest/setup.py
  10 @@ -58,6 +58,19 @@ def setup_tests(ns):
  11          if getattr(module, '__file__', None):
  12              module.__file__ = os.path.abspath(module.__file__)
  13
  14 +    # The socket test goes crazy on Solaris, slurping up VM until the system
  15 +    # dies or the test is killed.  So limit it to 8GB.  While we could do this
  16 +    # in the socket test itself, it is more prudent to do it here in case any
  17 +    # other tests ever go crazy in a similar fashion.
  18 +    if sys.platform == 'sunos5':
  19 +        try:
  20 +            import resource
  21 +        except ImportError:
  22 +            pass
  23 +        else:
  24 +            vm_limit = 8589934592
  25 +            resource.setrlimit(resource.RLIMIT_VMEM, (vm_limit, vm_limit))
  26 +
  27      if ns.huntrleaks:
  28          unittest.BaseTestSuite._cleanup = False
  29