akr	2014-09-06 00:50:24 +0900 (Sat, 06 Sep 2014)

  New Revision: 47417

  http://svn.ruby-lang.org/cgi-bin/viewvc.cgi?view=revision&revision=47417

  Log:
    * signal.c (ruby_signal): Don't set SA_SIGINFO for SIG_IGN and
      SIG_DFL.

  Modified files:
    trunk/ChangeLog
    trunk/signal.c
Index: ChangeLog
===================================================================
--- ChangeLog	(revision 47416)
+++ ChangeLog	(revision 47417)
@@ -1,3 +1,8 @@ https://github.com/ruby/ruby/blob/trunk/ChangeLog#L1
+Sat Sep  6 00:49:41 2014  Tanaka Akira  <akr@f...>
+
+	* signal.c (ruby_signal): Don't set SA_SIGINFO for SIG_IGN and
+	  SIG_DFL.
+
 Fri Sep  5 21:45:33 2014  Tanaka Akira  <akr@f...>
 
 	* process.c (disable_child_handler_before_fork): New function.
Index: signal.c
===================================================================
--- signal.c	(revision 47416)
+++ signal.c	(revision 47417)
@@ -569,8 +569,14 @@ ruby_signal(int signum, sighandler_t han https://github.com/ruby/ruby/blob/trunk/signal.c#L569
 
     sigemptyset(&sigact.sa_mask);
 #ifdef USE_SIGALTSTACK
-    sigact.sa_sigaction = (ruby_sigaction_t*)handler;
-    sigact.sa_flags = SA_SIGINFO;
+    if (handler == SIG_IGN || handler == SIG_DFL) {
+        sigact.sa_handler = handler;
+        sigact.sa_flags = 0;
+    }
+    else {
+        sigact.sa_sigaction = (ruby_sigaction_t*)handler;
+        sigact.sa_flags = SA_SIGINFO;
+    }
 #else
     sigact.sa_handler = handler;
     sigact.sa_flags = 0;

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