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: runtime: Ignore SIGPROF if not on a Go thread.

From-SVN: r201154
---
 libgo/runtime/go-signal.c | 13 +++++++------
 1 file changed, 7 insertions(+), 6 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 ();
-  if (m == NULL)
-    {
-      runtime_badsignal (sig);
-      return;
-    }
 
 #ifdef SIGPROF
   if (sig == SIGPROF)
     {
-      if (gp != runtime_m ()->g0 && gp != runtime_m ()->gsignal)
+      if (m != NULL && gp != m->g0 && gp != m->gsignal)
 	runtime_sigprof ();
       return;
     }
 #endif
 
+  if (m == NULL)
+    {
+      runtime_badsignal (sig);
+      return;
+    }
+
   for (i = 0; runtime_sigtab[i].sig != -1; ++i)
     {
       SigTab *t;
-- 
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