test/leaky-handles.py

   1 #!/usr/bin/env python
   2 #
   3 # __COPYRIGHT__
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   6 # a copy of this software and associated documentation files (the
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  10 # permit persons to whom the Software is furnished to do so, subject to
  11 # the following conditions:
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  16 # THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY
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  23 #
  24
  25 __revision__ = "__FILE__ __REVISION__ __DATE__ __DEVELOPER__"
  26
  27 """
  28 Verify that file handles aren't leaked to child processes
  29 """
  30
  31 import sys
  32
  33 import TestSCons
  34
  35 test = TestSCons.TestSCons()
  36
  37 if sys.platform != 'linux':
  38     msg = "Skipping fork leak test on non-linux platforms\n"
  39     test.skip_test(msg)
  40
  41 test.write('SConstruct', """
  42
  43 # Leave a file handle open when invoking a command
  44 with open('/dev/null'):
  45     # Check it gets closed when an external command is forked off:
  46     test2 = Command('test2', [], '@ls /proc/$$$$/fd|wc -l')
  47 """)
  48
  49 # In theory that should have 3 lines (handles 0/1/2). This is v. unix specific
  50
  51 test.run(arguments = '-Q', stdout='3\n')
  52
  53 test.pass_test()
  54
  55 # Local Variables:
  56 # tab-width:4
  57 # indent-tabs-mode:nil
  58 # End:
  59 # vim: set expandtab tabstop=4 shiftwidth=4: