From 1a14a7a1d78092161cd296d0aa14b7a17ce46edd Mon Sep 17 00:00:00 2001
From: yugui <yugui@b2dd03c8-39d4-4d8f-98ff-823fe69b080e>
Date: Sat, 11 Oct 2014 02:12:00 +0000
Subject: [PATCH] Allow failure of sighandler installation on NativeClient.

* signal.c (install_signalhandler, init_sigchld): allow failure because it
  always fails with ENOSYS on NaCl.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@47873 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
---
 io.c     | 3 +++
 signal.c | 8 ++++++--
 2 files changed, 9 insertions(+), 2 deletions(-)

diff --git a/io.c b/io.c
index 0be6b24a6f..4f98031c40 100644
--- a/io.c
+++ b/io.c
@@ -204,6 +204,9 @@ rb_update_max_fd(int fd)
     }
 }
 
+#undef HAVE_FCNTL
+#undef O_CLOEXEC
+
 void
 rb_maygvl_fd_fix_cloexec(int fd)
 {
diff --git a/signal.c b/signal.c
index c42ce0aee0..d3c7cb8f32 100644
--- a/signal.c
+++ b/signal.c
@@ -1261,7 +1261,9 @@ install_sighandler(int signum, sighandler_t handler)
     rb_enable_interrupt();
     return 0;
 }
-#define install_sighandler(signum, handler) (install_sighandler(signum, handler) ? rb_bug(#signum) : (void)0)
+#ifndef __native_client__
+#  define install_sighandler(signum, handler) (install_sighandler(signum, handler) ? rb_bug(#signum) : (void)0)
+#endif
 
 #if defined(SIGCLD) || defined(SIGCHLD)
 static int
@@ -1281,7 +1283,9 @@ init_sigchld(int sig)
     rb_enable_interrupt();
     return 0;
 }
-#define init_sigchld(signum) (init_sigchld(signum) ? rb_bug(#signum) : (void)0)
+#  ifndef __native_client__
+#    define init_sigchld(signum) (init_sigchld(signum) ? rb_bug(#signum) : (void)0)
+#  endif
 #endif
 
 void