From 5f9ae7f2d6fa96a0107bbfc9e8d7cd3727fcf2d0 Mon Sep 17 00:00:00 2001
From: Ian Lance Taylor <ian@gcc.gnu.org>
Date: Tue, 23 Jul 2013 04:42:09 +0000
Subject: [PATCH] runtime: Ignore SIGPROF if not on a Go thread.

From-SVN: r201154
---
 libgo/runtime/go-signal.c | 19 ++++++++++---------
 1 file changed, 10 insertions(+), 9 deletions(-)

diff --git a/libgo/runtime/go-signal.c b/libgo/runtime/go-signal.c
index 1e800578ffa..9771b71cfcf 100644
--- a/libgo/runtime/go-signal.c
+++ b/libgo/runtime/go-signal.c
@@ -166,21 +166,22 @@ runtime_sighandler (int sig, Siginfo *info,
   int i;
 
   m = runtime_m ();
+
+#ifdef SIGPROF
+  if (sig == SIGPROF)
+    {
+      if (m != NULL && gp != m->g0 && gp != m->gsignal)
+	runtime_sigprof ();
+      return;
+    }
+#endif
+
   if (m == NULL)
     {
       runtime_badsignal (sig);
       return;
     }
 
-#ifdef SIGPROF
-  if (sig == SIGPROF)
-    {
-      if (gp != runtime_m ()->g0 && gp != runtime_m ()->gsignal)
-	runtime_sigprof ();
-      return;
-    }
-#endif
-
   for (i = 0; runtime_sigtab[i].sig != -1; ++i)
     {
       SigTab *t;