From e04b75994c6f85c9eecf1c25dc28ca06ca311835 Mon Sep 17 00:00:00 2001
From: nobu <nobu@b2dd03c8-39d4-4d8f-98ff-823fe69b080e>
Date: Sun, 26 Jul 2015 05:37:59 +0000
Subject: revert r31760 and r31761

seems that rb_bug_errno() is called in sigpipe() intentionally.
https://gist.github.com/sorah/831169

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@51390 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
---
 process.c | 23 -----------------------
 1 file changed, 23 deletions(-)

(limited to 'process.c')

diff --git a/process.c b/process.c
index 5643c09d6d..cdc9692988 100644
--- a/process.c
+++ b/process.c
@@ -1136,30 +1136,10 @@ proc_detach(VALUE obj, VALUE pid)
     return rb_detach_process(NUM2PIDT(pid));
 }
 
-#ifdef SIGPIPE
-static RETSIGTYPE (*saved_sigpipe_handler)(int) = 0;
-#endif
-
-#ifdef SIGPIPE
-static RETSIGTYPE
-sig_do_nothing(int sig)
-{
-}
-#endif
-
 /* This function should be async-signal-safe.  Actually it is. */
 static void
 before_exec_async_signal_safe(void)
 {
-#ifdef SIGPIPE
-    /*
-     * Some OS commands don't initialize signal handler properly. Thus we have
-     * to reset signal handler before exec(). Otherwise, system() and similar
-     * child process interaction might fail. (e.g. ruby -e "system 'yes | ls'")
-     * [ruby-dev:12261]
-     */
-    saved_sigpipe_handler = signal(SIGPIPE, sig_do_nothing); /* async-signal-safe */
-#endif
 }
 
 static void
@@ -1186,9 +1166,6 @@ before_exec(void)
 static void
 after_exec_async_signal_safe(void)
 {
-#ifdef SIGPIPE
-    signal(SIGPIPE, saved_sigpipe_handler); /* async-signal-safe */
-#endif
 }
 
 static void
-- 
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