1 files changed, 84 insertions, 0 deletions
diff --git a/vendor/bundle/ruby/3.4.0/gems/eventmachine-1.2.7/lib/em/spawnable.rb b/vendor/bundle/ruby/3.4.0/gems/eventmachine-1.2.7/lib/em/spawnable.rb
new file mode 100644
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+++ b/vendor/bundle/ruby/3.4.0/gems/eventmachine-1.2.7/lib/em/spawnable.rb
@@ -0,0 +1,84 @@
+#--
+#
+# Author:: Francis Cianfrocca (gmail: blackhedd)
+# Homepage::  http://rubyeventmachine.com
+# Date:: 25 Aug 2007
+# 
+# See EventMachine and EventMachine::Connection for documentation and
+# usage examples.
+#
+#----------------------------------------------------------------------------
+#
+# Copyright (C) 2006-07 by Francis Cianfrocca. All Rights Reserved.
+# Gmail: blackhedd
+# 
+# This program is free software; you can redistribute it and/or modify
+# it under the terms of either: 1) the GNU General Public License
+# as published by the Free Software Foundation; either version 2 of the
+# License, or (at your option) any later version; or 2) Ruby's License.
+# 
+# See the file COPYING for complete licensing information.
+#
+#---------------------------------------------------------------------------
+#
+#
+
+module EventMachine
+  # Support for Erlang-style processes.
+  #
+  class SpawnedProcess
+    # Send a message to the spawned process
+    def notify *x
+      me = self
+      EM.next_tick {
+        # A notification executes in the context of this
+        # SpawnedProcess object. That makes self and notify
+        # work as one would expect.
+        #
+        y = me.call(*x)
+        if y and y.respond_to?(:pull_out_yield_block)
+          a,b = y.pull_out_yield_block
+          set_receiver a
+          self.notify if b
+        end
+      }
+    end
+    alias_method :resume, :notify
+    alias_method :run, :notify # for formulations like (EM.spawn {xxx}).run
+
+    def set_receiver blk
+      (class << self ; self ; end).class_eval do
+        remove_method :call if method_defined? :call
+        define_method :call, blk
+      end
+    end
+
+  end
+
+  # @private
+  class YieldBlockFromSpawnedProcess
+    def initialize block, notify
+      @block = [block,notify]
+    end
+    def pull_out_yield_block
+      @block
+    end
+  end
+
+  # Spawn an erlang-style process
+  def self.spawn &block
+    s = SpawnedProcess.new
+    s.set_receiver block
+    s
+  end
+
+  # @private
+  def self.yield &block
+    return YieldBlockFromSpawnedProcess.new( block, false )
+  end
+
+  # @private
+  def self.yield_and_notify &block
+    return YieldBlockFromSpawnedProcess.new( block, true )
+  end
+end