runtime: Ignore SIGPROF if not on a Go thread.

From-SVN: r201154
2013-07-23 04:42:09 +00:00
parent 433cc7b037
commit 5f9ae7f2d6
1 changed files with 10 additions and 9 deletions
@@ -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;