ngoto	2011-10-13 19:39:58 +0900 (Thu, 13 Oct 2011)

  New Revision: 33463

  http://svn.ruby-lang.org/cgi-bin/viewvc.cgi?view=rev&revision=33463

  Log:
    * atomic.h (ATOMIC_*): use atomic_ops(3C) when SunStudio on Solaris.
      [ruby-dev:44596] [Bug #5439]

  Modified files:
    trunk/ChangeLog
    trunk/atomic.h

Index: ChangeLog
===================================================================
--- ChangeLog	(revision 33462)
+++ ChangeLog	(revision 33463)
@@ -1,3 +1,8 @@
+Thu Oct 13 19:29:40 2011  Naohisa Goto  <ngotogenome@g...>
+
+	* atomic.h (ATOMIC_*): use atomic_ops(3C) when SunStudio on Solaris.
+	  [ruby-dev:44596] [Bug #5439]
+
 Thu Oct 13 18:13:04 2011  KOSAKI Motohiro  <kosaki.motohiro@g...>
 
 	* atomic.h(ATOMIC_SET): add cast to void to prevent misuse.
Index: atomic.h
===================================================================
--- atomic.h	(revision 33462)
+++ atomic.h	(revision 33463)
@@ -42,6 +42,16 @@
 # define ATOMIC_OR(var, val) __sync_or_and_fetch(&(var), (val))
 # define ATOMIC_EXCHANGE(var, val) __sync_lock_test_and_set(&(var), (val))
 
+#elif defined(__SUNPRO_C)
+#include <atomic.h>
+typedef unsigned int rb_atomic_t;
+
+# define ATOMIC_SET(var, val) (void)atomic_swap_uint(&(var), (val))
+# define ATOMIC_INC(var) atomic_inc_uint(&(var))
+# define ATOMIC_DEC(var) atomic_dec_uint(&(var))
+# define ATOMIC_OR(var, val) atomic_or_uint(&(var), (val))
+# define ATOMIC_EXCHANGE(var, val) atomic_swap_uint(&(var), (val))
+
 #else
 typedef int rb_atomic_t;
 extern rb_atomic_t ruby_atomic_exchange(rb_atomic_t *ptr, rb_atomic_t val);

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