And retweak.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@66530 138bc75d-0d04-0410-961f-82ee72b054a4

diff --git a/libstdc++-v3/ChangeLog b/libstdc++-v3/ChangeLog
index 6326990..9ca9ce1 100644 (file)
--- a/libstdc++-v3/ChangeLog
+++ b/libstdc++-v3/ChangeLog
@@ -1,6 +1,9 @@
 2003-05-06  Michael Ritzert <Ritzert@t-online.de>
+           Matt Kraai <kraai@alumni.cmu.edu>
 
        * include/ext/stl_rope.h (_Rope_RopeRep<>::_M_c_string_lock): Tweak.
+       And retweak.
+
 2003-05-06  Richard Sandiford  <rsandifo@redhat.com>
 
        * configure.target (mips*): Use the generic atomicity.h by default.

diff --git a/libstdc++-v3/include/ext/stl_rope.h b/libstdc++-v3/include/ext/stl_rope.h
index 8099b27..c8ada9c 100644 (file)
--- a/libstdc++-v3/include/ext/stl_rope.h
+++ b/libstdc++-v3/include/ext/stl_rope.h
@@ -500,7 +500,11 @@ struct _Rope_RopeRep : public _Rope_rep_base<_CharT,_Alloc>
 #         endif
           _M_tag(__t), _M_is_balanced(__b), _M_depth(__d), _M_c_string(0)
 #ifdef __GTHREAD_MUTEX_INIT
-    { _M_c_string_lock = __GTHREAD_MUTEX_INIT; }
+    {
+       // Do not copy a POSIX/gthr mutex once in use.  However, bits are bits.
+       __gthread_mutex_t __tmp = __GTHREAD_MUTEX_INIT;
+       _M_c_string_lock = __tmp;
+    }
 #else
     { __GTHREAD_MUTEX_INIT_FUNCTION (&_M_c_string_lock); }
 #endif