Add bin and edit workflow

bin/gems/ffi-1.17.1-x86_64-linux-gnu/lib/ffi/ffi.rb

@@ -0,0 +1,109 @@
+#
+# Copyright (C) 2008-2010 JRuby project
+#
+# This file is part of ruby-ffi.
+#
+# All rights reserved.
+#
+# Redistribution and use in source and binary forms, with or without
+# modification, are permitted provided that the following conditions are met:
+#
+# * Redistributions of source code must retain the above copyright notice, this
+#   list of conditions and the following disclaimer.
+# * Redistributions in binary form must reproduce the above copyright notice
+#   this list of conditions and the following disclaimer in the documentation
+#   and/or other materials provided with the distribution.
+# * Neither the name of the Ruby FFI project nor the names of its contributors
+#   may be used to endorse or promote products derived from this software
+#   without specific prior written permission.
+#
+# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+# AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+# DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE
+# FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+# DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
+# SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
+# CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
+# OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+require 'ffi/compat'
+require 'ffi/platform'
+require 'ffi/data_converter'
+require 'ffi/types'
+require 'ffi/library_path'
+require 'ffi/library'
+require 'ffi/errno'
+require 'ffi/abstract_memory'
+require 'ffi/pointer'
+require 'ffi/memorypointer'
+require 'ffi/struct'
+require 'ffi/union'
+require 'ffi/managedstruct'
+require 'ffi/callback'
+require 'ffi/io'
+require 'ffi/autopointer'
+require 'ffi/variadic'
+require 'ffi/enum'
+require 'ffi/version'
+require 'ffi/function'
+
+module FFI
+  module ModernForkTracking
+    def _fork
+      pid = super
+      if pid == 0
+        FFI._async_cb_dispatcher_atfork_child
+      end
+      pid
+    end
+  end
+
+  module LegacyForkTracking
+    module KernelExt
+      def fork
+        if block_given?
+          super do
+            FFI._async_cb_dispatcher_atfork_child
+            yield
+          end
+        else
+          pid = super
+          FFI._async_cb_dispatcher_atfork_child if pid.nil?
+          pid
+        end
+      end
+    end
+
+    module KernelExtPrivate
+      include KernelExt
+      private :fork
+    end
+
+    module IOExt
+      def popen(*args)
+        return super unless args[0] == '-'
+
+        super(*args) do |pipe|
+          FFI._async_cb_dispatcher_atfork_child if pipe.nil?
+          yield pipe
+        end
+      end
+      ruby2_keywords :popen if respond_to?(:ruby2_keywords)
+    end
+  end
+
+  if Process.respond_to?(:_fork)
+    # The nice Ruby 3.1+ way of doing things
+    ::Process.singleton_class.prepend(ModernForkTracking)
+  elsif Process.respond_to?(:fork)
+    # Barf. Old CRuby.
+    # Most of the inspiration for how to do this was stolen from ActiveSupport.
+    ::Object.prepend(LegacyForkTracking::KernelExtPrivate)
+    ::Object.singleton_class.prepend(LegacyForkTracking::KernelExt)
+    ::Kernel.prepend(LegacyForkTracking::KernelExtPrivate)
+    ::Kernel.singleton_class.prepend(LegacyForkTracking::KernelExt)
+    ::IO.singleton_class.prepend(LegacyForkTracking::IOExt)
+  end
+end