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 b75ad6434c1675699c2c7b285d99ee2b9ca024db..72ec5f1fbbbdff78dcea1ab374812b7ba3ea15e3 100644 (file)
--- 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 55b308de25b404e004c71dcefe4a04618b050d30..8394ef6713728d4dd220e4b9e3e70fbd9cf1920f 100644 (file)
--- 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;