diff options
Diffstat (limited to 'base/openssl_util.cc')
| -rw-r--r-- | base/openssl_util.cc | 19 |
1 files changed, 16 insertions, 3 deletions
diff --git a/base/openssl_util.cc b/base/openssl_util.cc index 1cbc304..5cfc34a 100644 --- a/base/openssl_util.cc +++ b/base/openssl_util.cc @@ -22,6 +22,20 @@ unsigned long CurrentThreadId() { // Singleton for initializing and cleaning up the OpenSSL library. class OpenSSLInitSingleton { + public: + static OpenSSLInitSingleton* Get() { + // We allow the SSL environment to leak for multiple reasons: + // - it is used from a non-joinable worker thread that is not stopped on + // shutdown, hence may still be using OpenSSL library after the AtExit + // runner has completed. + // - There are other OpenSSL related singletons (e.g. the client socket + // context) who's cleanup depends on the global environment here, but + // we can't control the order the AtExit handlers will run in so + // allowing the global environment to leak at least ensures it is + // available for those other singletons to reliably cleanup. + return Singleton<OpenSSLInitSingleton, + LeakySingletonTraits<OpenSSLInitSingleton> >::get(); + } private: friend struct DefaultSingletonTraits<OpenSSLInitSingleton>; OpenSSLInitSingleton() { @@ -43,8 +57,7 @@ class OpenSSLInitSingleton { } static void LockingCallback(int mode, int n, const char* file, int line) { - Singleton<OpenSSLInitSingleton>::get()->OnLockingCallback(mode, n, file, - line); + OpenSSLInitSingleton::Get()->OnLockingCallback(mode, n, file, line); } void OnLockingCallback(int mode, int n, const char* file, int line) { @@ -64,7 +77,7 @@ class OpenSSLInitSingleton { } // namespace void EnsureOpenSSLInit() { - (void)Singleton<OpenSSLInitSingleton>::get(); + (void)OpenSSLInitSingleton::Get(); } void ClearOpenSSLERRStack(const tracked_objects::Location& location) { |