#!/usr/bin/env python
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__revision__ = "__FILE__ __REVISION__ __DATE__ __DEVELOPER__"

"""
Verify that file handles aren't leaked to child processes
"""

import os
import sys

import TestSCons

test = TestSCons.TestSCons()

if os.name != 'posix' or sys.platform == 'darwin':
    msg = "Skipping fork leak test on non-posix platform '%s'\n" % os.name
    test.skip_test(msg)

test.write('SConstruct', """

# Leave a file handle open when invoking a command
with open('/dev/null'):
    # Check it gets closed when an external command is forked off:
    test2 = Command('test2', [], '@ls /proc/$$$$/fd|wc -l')
""")

# In theory that should have 3 lines (handles 0/1/2). This is v. unix specific

test.run(arguments = '-Q', stdout='3\n')

test.pass_test()

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