diff options
| -rw-r--r-- | include/ruby/atomic.h | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/include/ruby/atomic.h b/include/ruby/atomic.h index d786df20c9..18072f4810 100644 --- a/include/ruby/atomic.h +++ b/include/ruby/atomic.h @@ -72,6 +72,8 @@ typedef unsigned int rb_atomic_t; #elif defined(HAVE_GCC_SYNC_BUILTINS) typedef unsigned int rb_atomic_t; #elif defined(_WIN32) +# include <winsock2.h> // to prevent macro redefinitions +# include <windows.h> // for `LONG` and `Interlocked` functions typedef LONG rb_atomic_t; #elif defined(__sun) && defined(HAVE_ATOMIC_H) typedef unsigned int rb_atomic_t; |