* thread_pthread.c (thread_start_func_1): don't call

native_thread_init_stack(th) on cygwin to avoid the segv
  introduced by r27789. Cygwin's signal implementation is half
  baked so USE_SIGNALSTACK is not defined and it needs another
  treatment.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@28507 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

ChangeLog

@@ -1,3 +1,11 @@
+Thu Jul  1 16:19:53 2010  NARUSE, Yui  <naruse@ruby-lang.org>
+
+	* thread_pthread.c (thread_start_func_1): don't call
+	  native_thread_init_stack(th) on cygwin to avoid the segv
+	  introduced by r27789. Cygwin's signal implementation is half
+	  baked so USE_SIGNALSTACK is not defined and it needs another
+	  treatment.
+
 Thu Jul  1 13:00:54 2010  Nobuyoshi Nakada  <nobu@ruby-lang.org>
 
 	* common.mk (test-knownbug): ignore known bugs.

thread_pthread.c

@@ -356,7 +356,9 @@ thread_start_func_1(void *th_ptr)
 	rb_thread_t *th = th_ptr;
 	VALUE stack_start;
 
+#ifndef __CYGWIN__
 	native_thread_init_stack(th);
+#endif
 	/* run */
 	thread_start_func_2(th, &stack_start, rb_ia64_bsp());
     }