diff options
Diffstat (limited to 'indra/llcommon/llcoros.h')
| -rw-r--r-- | indra/llcommon/llcoros.h | 31 |
1 files changed, 24 insertions, 7 deletions
diff --git a/indra/llcommon/llcoros.h b/indra/llcommon/llcoros.h index fd878f20ad..c3820ae987 100644 --- a/indra/llcommon/llcoros.h +++ b/indra/llcommon/llcoros.h @@ -3,25 +3,25 @@ * @author Nat Goodspeed * @date 2009-06-02 * @brief Manage running boost::coroutine instances - * + * * $LicenseInfo:firstyear=2009&license=viewerlgpl$ * Second Life Viewer Source Code * Copyright (C) 2010, Linden Research, Inc. - * + * * This library is free software; you can redistribute it and/or * modify it under the terms of the GNU Lesser General Public * License as published by the Free Software Foundation; * version 2.1 of the License only. - * + * * This library is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * Lesser General Public License for more details. - * + * * You should have received a copy of the GNU Lesser General Public * License along with this library; if not, write to the Free Software * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA - * + * * Linden Research, Inc., 945 Battery Street, San Francisco, CA 94111 USA * $/LicenseInfo$ */ @@ -31,8 +31,9 @@ #include "llexception.h" #include <boost/fiber/fss.hpp> -#include <boost/fiber/future/promise.hpp> #include <boost/fiber/future/future.hpp> +#include <boost/fiber/future/promise.hpp> +#include <boost/fiber/recursive_mutex.hpp> #include "mutex.h" #include "llsingleton.h" #include "llinstancetracker.h" @@ -94,6 +95,16 @@ class LL_COMMON_API LLCoros: public LLSingleton<LLCoros> void cleanupSingleton() override; public: + // For debugging, return true if on the main coroutine for the current thread + // Code that should not be executed from a coroutine should be protected by + // llassert(LLCoros::on_main_coro()) + static bool on_main_coro(); + + // For debugging, return true if on the main thread and not in a coroutine + // Non-thread-safe code in the main loop should be protected by + // llassert(LLCoros::on_main_thread_main_coro()) + static bool on_main_thread_main_coro(); + /// The viewer's use of the term "coroutine" became deeply embedded before /// the industry term "fiber" emerged to distinguish userland threads from /// simpler, more transient kinds of coroutines. Semantically they've @@ -158,7 +169,7 @@ public: * LLCoros::launch()). */ static std::string getName(); - + /** * rethrow() is called by the thread's main fiber to propagate an * exception from any coroutine into the main fiber, where it can engage @@ -297,6 +308,12 @@ public: // use mutex, lock, condition_variable suitable for coroutines using Mutex = boost::fibers::mutex; + using RMutex = boost::fibers::recursive_mutex; + // With C++17, LockType is deprecated: at this point we can directly + // declare 'std::unique_lock lk(some_mutex)' without explicitly stating + // the mutex type. Sadly, making LockType an alias template for + // std::unique_lock doesn't work the same way: Class Template Argument + // Deduction only works for class templates, not alias templates. using LockType = std::unique_lock<Mutex>; using cv_status = boost::fibers::cv_status; using ConditionVariable = boost::fibers::condition_variable; |