From 05c1093323ef3476ff84c535cf9b5f9515ba0985 Mon Sep 17 00:00:00 2001
From: nobu <nobu@b2dd03c8-39d4-4d8f-98ff-823fe69b080e>
Date: Fri, 14 Apr 2017 16:07:45 +0000
Subject: signal.c: add sigprocmask guard

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@58354 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
---
 signal.c | 4 ++++
 1 file changed, 4 insertions(+)

(limited to 'signal.c')

diff --git a/signal.c b/signal.c
index 9bc2c813c3..db1403fddd 100644
--- a/signal.c
+++ b/signal.c
@@ -776,12 +776,16 @@ NORETURN(static void raise_stack_overflow(int sig, rb_thread_t *th));
 static void
 raise_stack_overflow(int sig, rb_thread_t *th)
 {
+#ifdef HAVE_SIGPROCMASK
     sigset_t mask;
+#endif
     clear_received_signal();
+#ifdef HAVE_SIGPROCMASK
     sigemptyset(&mask);
     sigaddset(&mask, sig);
     if (sigprocmask(SIG_UNBLOCK, &mask, NULL))
 	rb_bug_errno("sigprocmask:set", errno);
+#endif
     ruby_thread_stack_overflow(th);
 }
 
-- 
cgit v1.2.3