From 8d59b39f96b89eb055d77d422a923c499d2a5fca Mon Sep 17 00:00:00 2001
From: "Frank Ch. Eigler" <fche@elastic.org>
Date: Wed, 26 Nov 2008 13:59:53 -0500
Subject: safety: add paranoid call to synchronize_sched() during shutdown
 process

---
 translate.cxx | 6 ++++++
 1 file changed, 6 insertions(+)

(limited to 'translate.cxx')

diff --git a/translate.cxx b/translate.cxx
index 1cf7361e..41a424ed 100644
--- a/translate.cxx
+++ b/translate.cxx
@@ -1287,6 +1287,11 @@ c_unparser::emit_module_exit ()
   o->newline () << "yield ();"; // aka schedule() and then some 
   o->newline(-2) << "} while (holdon);";
 
+  // 
+  o->newline() << "#ifdef STAPCONF_SYNCHRONIZE_SCHED";
+  o->newline() << "synchronize_sched();";
+  o->newline() << "#endif";
+
   // XXX: might like to have an escape hatch, in case some probe is
   // genuinely stuck somehow
 
@@ -4860,6 +4865,7 @@ translate_pass (systemtap_session& s)
       s.op->newline() << "#include \"stat.c\"";
       s.op->newline() << "#include <linux/string.h>";
       s.op->newline() << "#include <linux/timer.h>";
+      s.op->newline() << "#include <linux/sched.h>";
       s.op->newline() << "#include <linux/delay.h>";
       s.op->newline() << "#include <linux/profile.h>";
       s.op->newline() << "#include <linux/random.h>";
-- 
cgit