nobu	2017-06-09 22:58:09 +0900 (Fri, 09 Jun 2017)

  New Revision: 59053

  https://svn.ruby-lang.org/cgi-bin/viewvc.cgi?view=revision&revision=59053

  Log:
    thread.c: workaround for valgrind on Mac OS X
    
    Without this hack, pthread_join() in rb_thread_stop_timer_thread()
    segfaults.
    
    ProductName:	Mac OS X
    ProductVersion:	10.11.6
    BuildVersion:	15G1510
    valgrind-3.12.0

  Modified files:
    trunk/thread.c
Index: thread.c
===================================================================
--- thread.c	(revision 59052)
+++ thread.c	(revision 59053)
@@ -77,6 +77,9 @@ https://github.com/ruby/ruby/blob/trunk/thread.c#L77
 #define RUBY_THREAD_PRIORITY_MIN -3
 #endif
 
+#if defined HAVE_VALGRIND_MEMCHECK_H && __APPLE__
+#define THREAD_DEBUG -1
+#endif
 #ifndef THREAD_DEBUG
 #define THREAD_DEBUG 0
 #endif

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