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-rw-r--r--include/ruby/io.h6
1 files changed, 6 insertions, 0 deletions
diff --git a/include/ruby/io.h b/include/ruby/io.h
index 359282a31e..5774a3fc10 100644
--- a/include/ruby/io.h
+++ b/include/ruby/io.h
@@ -41,6 +41,12 @@
# define RB_WAITFD_OUT 0x004
#endif
+typedef enum {
+ RUBY_IO_READABLE = RB_WAITFD_IN,
+ RUBY_IO_WRITABLE = RB_WAITFD_OUT,
+ RUBY_IO_PRIORITY = RB_WAITFD_PRI,
+} rb_io_event_t;
+
#include "ruby/internal/dllexport.h"
RBIMPL_SYMBOL_EXPORT_BEGIN()