diff options
Diffstat (limited to 'libstdc++-v3/src/debug.cc')
| -rw-r--r-- | libstdc++-v3/src/debug.cc | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/libstdc++-v3/src/debug.cc b/libstdc++-v3/src/debug.cc index 0ca9238fe00..415fcbf91c1 100644 --- a/libstdc++-v3/src/debug.cc +++ b/libstdc++-v3/src/debug.cc @@ -37,9 +37,15 @@ #include <cstring> #include <cstdio> #include <cctype> +#include <bits/concurrence.h> using namespace std; +namespace __gnu_internal +{ + __glibcxx_mutex_define_initialized(iterator_base_mutex); +} // namespace __gnu_internal + namespace __gnu_debug { const char* _S_debug_messages[] = @@ -188,6 +194,7 @@ namespace __gnu_debug // Attach to the new sequence (if there is one) if (__seq) { + __gnu_cxx::lock sentry(__gnu_internal::iterator_base_mutex); _M_sequence = __seq; _M_version = _M_sequence->_M_version; _M_prior = 0; @@ -212,6 +219,7 @@ namespace __gnu_debug _Safe_iterator_base:: _M_detach() { + __gnu_cxx::lock sentry(__gnu_internal::iterator_base_mutex); if (_M_sequence) { // Remove us from this sequence's list |