#!/usr/bin/env python

# file_limits_bug.py
#
# Created by George King on 12/11/09.



from __future__ import print_function

import resource


# get the default limit for the number of open files
default_limits = resource.getrlimit(resource.RLIMIT_NOFILE)
print("default file limits:", default_limits)

# double the default soft limit
test_limit = default_limits[0] * 2
assert(test_limit < default_limits[1]) # test soft limit should be less than the hard limit

# set the soft limit; -1 sets hard limit to max possible
resource.setrlimit(resource.RLIMIT_NOFILE, (test_limit, -1))

print("new file limits:", resource.getrlimit(resource.RLIMIT_NOFILE))


# open test files up to the limit - 3 (accounts for stdin, stdout, and stderr)
test_names = ["testfiles/testfile%03d" % (i,) for i in range(test_limit - 3)]

files = []

for n in test_names:
    files.append(open(n, 'w'))