diff options
Diffstat (limited to 'libstdc++-v3/include/profile/impl/profiler_state.h')
| -rw-r--r-- | libstdc++-v3/include/profile/impl/profiler_state.h | 11 |
1 files changed, 7 insertions, 4 deletions
diff --git a/libstdc++-v3/include/profile/impl/profiler_state.h b/libstdc++-v3/include/profile/impl/profiler_state.h index 111b97e0eca..573aa0eeb40 100644 --- a/libstdc++-v3/include/profile/impl/profiler_state.h +++ b/libstdc++-v3/include/profile/impl/profiler_state.h @@ -1,6 +1,6 @@ // -*- C++ -*- // -// Copyright (C) 2009, 2010 Free Software Foundation, Inc. +// Copyright (C) 2009, 2010, 2012 Free Software Foundation, Inc. // // This file is part of the GNU ISO C++ Library. This library is free // software; you can redistribute it and/or modify it under the terms @@ -45,9 +45,12 @@ namespace __gnu_profile inline bool __turn(__state_type __s) - { return (_GLIBCXX_PROFILE_DATA(__state) - == __sync_val_compare_and_swap(&_GLIBCXX_PROFILE_DATA(__state), - __INVALID, __s)); } + { + __state_type inv(__INVALID); + return __atomic_compare_exchange_n(&_GLIBCXX_PROFILE_DATA(__state), + &inv, __s, true, __ATOMIC_ACQ_REL, + __ATOMIC_RELAXED); + } inline bool __turn_on() |
