From: Graham Reed <greed@pobox.com>
Date: Wed, 19 Jan 2011 08:49:58 +0000 (+0000)
Subject: re PR libstdc++/47354 (bitmap_allocator free_list::_M_get never locks mutex)
X-Git-Tag: releases/gcc-4.5.3~290
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=fcd6e0aa64b629d4eb5ebe6d2bf8daaf0938679f;p=thirdparty%2Fgcc.git

re PR libstdc++/47354 (bitmap_allocator free_list::_M_get never locks mutex)

2011-01-19  Graham Reed  <greed@pobox.com>

	PR libstdc++/47354
	* src/bitmap_allocator.cc (free_list::_M_get): Lock mutex.

From-SVN: r168985
---

diff --git a/libstdc++-v3/ChangeLog b/libstdc++-v3/ChangeLog
index b75ad6434c16..72ec5f1fbbbd 100644
--- a/libstdc++-v3/ChangeLog
+++ b/libstdc++-v3/ChangeLog
@@ -1,3 +1,8 @@
+2011-01-19  Graham Reed  <greed@pobox.com>
+
+	PR libstdc++/47354
+	* src/bitmap_allocator.cc (free_list::_M_get): Lock mutex.
+
 2010-12-17  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
 
 	Backport from mainline:
diff --git a/libstdc++-v3/src/bitmap_allocator.cc b/libstdc++-v3/src/bitmap_allocator.cc
index 55b308de25b4..8394ef671372 100644
--- a/libstdc++-v3/src/bitmap_allocator.cc
+++ b/libstdc++-v3/src/bitmap_allocator.cc
@@ -49,6 +49,7 @@ _GLIBCXX_BEGIN_NAMESPACE(__gnu_cxx)
   {
 #if defined __GTHREADS
     __mutex_type& __bfl_mutex = _M_get_mutex();
+    __bfl_mutex.lock();
 #endif
     const vector_type& __free_list = _M_get_free_list();
     using __gnu_cxx::__detail::__lower_bound;