* test/ruby/test_thread.rb

(TestThreadGroup#test_thread_timer_and_interrupt): skip on Windows.
  Process.kill cannot kill a subprocess if CREATE_NEW_PROCESS_GROUP
  flag is not specified in a call to CreateProcessW().

* win32/win32.c (CreateChild): revert the usage of
  CREATE_NEW_PROCESS_GROUP flag for compatibility.
  [ruby-core:43245][Bug #6131]

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@35249 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

ChangeLog

@@ -1,3 +1,14 @@
+Sat Apr  7 22:32:00 2012  Hiroshi Shirosaki  <h.shirosaki@gmail.com>
+
+	* test/ruby/test_thread.rb
+	  (TestThreadGroup#test_thread_timer_and_interrupt): skip on Windows.
+	  Process.kill cannot kill a subprocess if CREATE_NEW_PROCESS_GROUP
+	  flag is not specified in a call to CreateProcessW().
+
+	* win32/win32.c (CreateChild): revert the usage of
+	  CREATE_NEW_PROCESS_GROUP flag for compatibility.
+	  [ruby-core:43245][Bug #6131]
+
 Sat Apr  7 10:28:40 2012  Aaron Patterson <aaron@tenderlovemaking.com>
 
 	* ext/psych/lib/psych.rb: bumping up psych version to match release.

test/ruby/test_thread.rb

@@ -681,6 +681,7 @@ class TestThreadGroup < Test::Unit::TestCase
   end
 
   def test_thread_timer_and_interrupt
+    skip 'Process.kill cannot kill a subprocess' if /mswin|mingw/ =~ RUBY_PLATFORM
     bug5757 = '[ruby-dev:44985]'
     t0 = Time.now.to_f
     pid = nil

win32/win32.c

@@ -1137,7 +1137,7 @@ CreateChild(const WCHAR *cmd, const WCHAR *prog, SECURITY_ATTRIBUTES *psa,
 	aStartupInfo.hStdError = GetStdHandle(STD_ERROR_HANDLE);
     }
 
-    dwCreationFlags = (CREATE_NEW_PROCESS_GROUP | NORMAL_PRIORITY_CLASS);
+    dwCreationFlags = NORMAL_PRIORITY_CLASS;
 
     if (lstrlenW(cmd) > 32767) {
 	child->pid = 0;		/* release the slot */