From: Graham Reed <greed@pobox.com>
Date: Wed, 19 Jan 2011 08:50:29 +0000 (+0000)
Subject: re PR libstdc++/47354 (bitmap_allocator free_list::_M_get never locks mutex)
X-Git-Tag: releases/gcc-4.4.6~161
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=40d4e48a090a145b5fa36c52c4a7fd4773fce67f;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: r168986
---

diff --git a/libstdc++-v3/ChangeLog b/libstdc++-v3/ChangeLog
index dd90a2fb4e7a..f36417261597 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.
+
 2010-12-10  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
 
 	* testsuite/lib/libstdc++.exp (v3-build_support): Delete
diff --git a/libstdc++-v3/src/bitmap_allocator.cc b/libstdc++-v3/src/bitmap_allocator.cc
index 686a5ef02d1d..c277396bb614 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;