Fix bug: fix weird way to manipulate Thread

outvoke.rb

 #!/usr/bin/env ruby
 #
 # ==========================================================================
-# Outvoke -- version 0.0.99.20240925.1
+# Outvoke -- version 0.0.99.20240928
 #
 # written by cleemy desu wayo / Licensed under CC0 1.0
 #
@@ -23,7 +23,7 @@ class Outvoke
 
 @version = Struct.new(:branch, :body).new(
 '0.1',
-'0.0.99.20240925.1'
+'0.0.99.20240928'
 )
 
 @sources = Hash.new
@@ -410,23 +410,35 @@ class OutvokeDataSourceStdin < OutvokeDataSource
 @thread_stdin = Thread.new do
 Thread.stop
 loop do
-tmp = @stdin.next
+Thread.stop unless @is_enabled
+Thread.current["tmp"] = @stdin.next
+Thread.stop unless @is_enabled
+
 @mutex_stdin.synchronize do
-@stdin_new_lines << tmp.chomp
+@stdin_new_lines << Thread.current["tmp"].chomp
 end
 end
 end
 end
 
 def enabled=(x)
-@is_enabled = x
+@is_enabled = !!x
 
-if @is_enabled
-sleep 0.05 # TODO
-@thread_stdin.run
-else
-@thread_stdin.stop
+return false unless @is_enabled
+
+sleep 0.05 # TODO
+
+tmp_status = @thread_stdin.status
+
+if tmp_status == "run" || tmp_status == "sleep"
+begin
+@thread_stdin.run
+rescue ThreadError
+return false
+end
 end
+
+true
 end
 
 def each_event

samples/2024/fixbug_20240928_stdin_001.rb

+# for Outvoke 0.1
+# written by cleemy desu wayo / Licensed under CC0 1.0
+# initial release of this sample: 2024-09-28
+# --------
+#
+# this is a sample code to check for the presence of a bug that is fixed in
+# Outvoke version 0.0.99.20240928.
+#
+# usage:
+#
+# $ seq 1 3 | ./outvoke.rb samples/2024/fixbug_20240928_stdin_001.rb
+#
+
+using OutvokeDSL
+
+hook "stdin"
+sleep 1
+hook "stdin"

samples/2024/fixbug_20240928_stdin_002.rb

+# for Outvoke 0.1
+# written by cleemy desu wayo / Licensed under CC0 1.0
+# initial release of this sample: 2024-09-28
+# --------
+#
+# this is a sample code to check for the presence of a bug that is fixed in
+# Outvoke version 0.0.99.20240928.
+#
+# usage:
+#
+# $ { i=0 ; while true ; do echo "$i" ; sleep 1 ; i=$(expr "$i" + 1) ; done ; } | ./outvoke.rb samples/2024/fixbug_20240928_stdin_002.rb
+#
+
+using OutvokeDSL
+
+hook "every-sec", / ..:..:.[0]/ do |e|
+$outvoke.sources["stdin"].enabled = false
+"set false ---- #{e.body}"
+end
+
+hook "every-sec", / ..:..:.[3]/ do |e|
+$outvoke.sources["stdin"].enabled = true
+"set true ---- #{e.body}"
+end
+
+hook "stdin"
+
+$outvoke.sources["stdin"].enabled = false