From fc950e32b9ebc2bae09604ebe630df6df454151d Mon Sep 17 00:00:00 2001
From: "A. Wilcox" <AWilcox@Wilcox-Tech.com>
Date: Sun, 30 Aug 2020 17:59:45 +0200
Subject: [PATCH] gcc-go: Fix handling of signal 34 on musl
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Taken from Adélie Linux.
---
 libgo/mksigtab.sh | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/libgo/mksigtab.sh b/libgo/mksigtab.sh
index 11e4ec436bd..fe866eacb27 100644
--- a/libgo/mksigtab.sh
+++ b/libgo/mksigtab.sh
@@ -82,7 +82,7 @@ checksig _SIGPWR     '{_SigNotify, "SIGPWR: power failure restart"}'
 checksig _SIGEMT     '{_SigThrow, "SIGEMT: emulate instruction executed"}'
 checksig _SIGINFO    '{_SigNotify, "SIGINFO: status request from keyboard"}'
 checksig _SIGTHR     '{_SigNotify, "SIGTHR: reserved"}'
-checksig _SIGPOLL    '{_SigNotify, "SIGPOLL: pollable event occurred"}'
+#checksig _SIGPOLL    '{_SigNotify, "SIGPOLL: pollable event occurred"}'
 checksig _SIGWAITING '{_SigNotify, "SIGWAITING: reserved signal no longer used by"}'
 checksig _SIGLWP     '{_SigNotify, "SIGLWP: reserved signal no longer used by"}'
 checksig _SIGFREEZE  '{_SigNotify, "SIGFREEZE: special signal used by CPR"}'
@@ -95,10 +95,12 @@ checksig _SIGLOST '   {_SigNotify, "SIGLOST: resource lost (Sun); server died (G
 
 # Special handling of signals 32 and 33 on GNU/Linux systems,
 # because they are special to glibc.
+# Signal 34 is additionally special to Linux systems with musl.
 if test "${GOOS}" = "linux"; then
-    SIGLIST=$SIGLIST"_32__33_"
+    SIGLIST=$SIGLIST"_32__33__34_"
     echo '	32: {_SigSetStack + _SigUnblock, "signal 32"}, /* SIGCANCEL; see issue 6997 */'
     echo '	33: {_SigSetStack + _SigUnblock, "signal 33"}, /* SIGSETXID; see issues 3871, 9400, 12498 */'
+    echo '	34: {_SigSetStack + _SigUnblock, "signal 34"}, /* see issue 30062 */'
 fi
 
 if test "${GOOS}" = "aix"; then
-- 
2.31.1

