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#
# Copyright (C) 2017 Codethink Limited
# Copyright (C) 2018 Bloomberg Finance LP
#
# This program is free software; you can redistribute it and/or
# modify it under the terms of the GNU Lesser General Public
# License as published by the Free Software Foundation; either
# version 2 of the License, or (at your option) any later version.
#
# This library is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
# Lesser General Public License for more details.
#
# You should have received a copy of the GNU Lesser General Public
# License along with this library. If not, see <http://www.gnu.org/licenses/>.
import os
from ..sandbox import SandboxDummy
from .platform import Platform
class Darwin(Platform):
# This value comes from OPEN_MAX in syslimits.h
OPEN_MAX = 10240
def create_sandbox(self, *args, **kwargs):
kwargs['dummy_reason'] = \
"OSXFUSE is not supported and there are no supported sandbox " + \
"technologies for MacOS at this time"
return SandboxDummy(*args, **kwargs)
def check_sandbox_config(self, config):
# Accept all sandbox configs as it's irrelevant with the dummy sandbox (no Sandbox.run).
return True
def get_cpu_count(self, cap=None):
cpu_count = os.cpu_count()
if cap is None:
return cpu_count
else:
return min(cpu_count, cap)
def set_resource_limits(self, soft_limit=OPEN_MAX, hard_limit=None):
super().set_resource_limits(soft_limit)
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