110 lines
3.4 KiB
Ruby
110 lines
3.4 KiB
Ruby
#
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# Copyright (C) 2008-2010 JRuby project
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#
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# This file is part of ruby-ffi.
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#
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# All rights reserved.
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#
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# Redistribution and use in source and binary forms, with or without
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# modification, are permitted provided that the following conditions are met:
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#
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# * Redistributions of source code must retain the above copyright notice, this
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# list of conditions and the following disclaimer.
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# * Redistributions in binary form must reproduce the above copyright notice
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# this list of conditions and the following disclaimer in the documentation
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# and/or other materials provided with the distribution.
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# * Neither the name of the Ruby FFI project nor the names of its contributors
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# may be used to endorse or promote products derived from this software
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# without specific prior written permission.
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#
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# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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# AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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# DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE
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# FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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# DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
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# SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
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# CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
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# OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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require 'ffi/compat'
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require 'ffi/platform'
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require 'ffi/data_converter'
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require 'ffi/types'
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require 'ffi/library_path'
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require 'ffi/library'
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require 'ffi/errno'
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require 'ffi/abstract_memory'
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require 'ffi/pointer'
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require 'ffi/memorypointer'
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require 'ffi/struct'
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require 'ffi/union'
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require 'ffi/managedstruct'
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require 'ffi/callback'
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require 'ffi/io'
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require 'ffi/autopointer'
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require 'ffi/variadic'
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require 'ffi/enum'
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require 'ffi/version'
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require 'ffi/function'
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module FFI
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module ModernForkTracking
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def _fork
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pid = super
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if pid == 0
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FFI._async_cb_dispatcher_atfork_child
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end
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pid
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end
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end
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module LegacyForkTracking
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module KernelExt
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def fork
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if block_given?
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super do
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FFI._async_cb_dispatcher_atfork_child
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yield
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end
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else
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pid = super
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FFI._async_cb_dispatcher_atfork_child if pid.nil?
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pid
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end
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end
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end
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module KernelExtPrivate
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include KernelExt
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private :fork
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end
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module IOExt
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def popen(*args)
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return super unless args[0] == '-'
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super(*args) do |pipe|
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FFI._async_cb_dispatcher_atfork_child if pipe.nil?
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yield pipe
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end
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end
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ruby2_keywords :popen if respond_to?(:ruby2_keywords)
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end
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end
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if Process.respond_to?(:_fork)
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# The nice Ruby 3.1+ way of doing things
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::Process.singleton_class.prepend(ModernForkTracking)
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elsif Process.respond_to?(:fork)
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# Barf. Old CRuby.
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# Most of the inspiration for how to do this was stolen from ActiveSupport.
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::Object.prepend(LegacyForkTracking::KernelExtPrivate)
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::Object.singleton_class.prepend(LegacyForkTracking::KernelExt)
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::Kernel.prepend(LegacyForkTracking::KernelExtPrivate)
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::Kernel.singleton_class.prepend(LegacyForkTracking::KernelExt)
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::IO.singleton_class.prepend(LegacyForkTracking::IOExt)
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end
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end
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