From 8c21701968f8d877156c4c1616b823b7fd382021 Mon Sep 17 00:00:00 2001
From: Yuta Saito <kateinoigakukun@gmail.com>
Date: Wed, 19 Jan 2022 12:16:56 +0900
Subject: [PATCH] include/ruby/io.h: use 0 as POLLPRI when no support for it

0x003 is not suitable as a bit mask, and it's ok just to be 0 to avoid
setting unsupported bit.
---
 include/ruby/io.h | 7 +++----
 1 file changed, 3 insertions(+), 4 deletions(-)

diff --git a/include/ruby/io.h b/include/ruby/io.h
index 6ecf405366..36857db8f8 100644
--- a/include/ruby/io.h
+++ b/include/ruby/io.h
@@ -35,11 +35,10 @@
 #    undef revents
 #  endif
 #  define RB_WAITFD_IN  POLLIN
-#  if defined(__wasi__) && !defined(POLLPRI)
-//   wasi-libc doesn't have POLLPRI and 0x002 is already reserved for POLLOUT, so use 0x003
-#    define RB_WAITFD_PRI 0x003
-#  else
+#  if defined(POLLPRI)
 #    define RB_WAITFD_PRI POLLPRI
+#  else
+#    define RB_WAITFD_PRI 0
 #  endif
 #  define RB_WAITFD_OUT POLLOUT
 #else