* signal.c (trap_signm): SIGVTALRM no longer used for green

  thread.  [ruby-talk:281318]

* signal.c (ruby_sig_finalize): do not install SIG_DFL handler if
  previous handler is sighandler().

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@14056 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

1 files changed, 12 insertions, 6 deletions

diff --git a/signal.c b/signal.c
index bd2579dd0a..6eba832e5d 100644
--- a/signal.c
+++ b/signal.c
@@ -783,12 +783,6 @@ trap_signm(VALUE vsig)
 	if (sig == 0 && strcmp(s, "EXIT") != 0)
 	    rb_raise(rb_eArgError, "unsupported signal SIG%s", s);
     }
-
-#if defined(HAVE_SETITIMER)
-    if (sig == SIGVTALRM) {
-	rb_raise(rb_eArgError, "SIGVTALRM reserved for Thread; can't set handler");
-    }
-#endif
     return sig;
 }
 
@@ -993,6 +987,18 @@ init_sigchld(int sig)
 #endif
 }
 
+void
+ruby_sig_finalize()
+{
+    sighandler_t oldfunc;
+
+    oldfunc = ruby_signal(SIGINT, SIG_IGN);
+    if (oldfunc == sighandler) {
+	ruby_signal(SIGINT, SIG_DFL);
+    }
+}
+
+
 #ifdef RUBY_DEBUG_ENV
 int ruby_enable_coredump = 0;
 #endif