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-rw-r--r--include/ruby/win32.h7
1 files changed, 6 insertions, 1 deletions
diff --git a/include/ruby/win32.h b/include/ruby/win32.h
index bba38dcf4a..b0150b6a19 100644
--- a/include/ruby/win32.h
+++ b/include/ruby/win32.h
@@ -569,7 +569,12 @@ extern char *rb_w32_strerror(int);
# define EREMOTE WSAEREMOTE
#endif
-#define F_SETFL 1
+#define F_DUPFD 0
+//#define F_GETFD 1
+//#define F_SETFD 2
+//#define F_GETFL 3
+#define F_SETFL 4
+//#define FD_CLOEXEC 1 /* F_GETFD, F_SETFD */
#define O_NONBLOCK 1
#undef FD_SET