mirror of
https://github.com/XRPLF/rippled.git
synced 2025-11-20 02:55:50 +00:00
558b914c64
* Rename unity files * Move some modules to new subdirectories * Remove obsolete Visual Studio project files * Remove obsolete coding style and TODO list
142 lines
3.8 KiB
C++
142 lines
3.8 KiB
C++
//------------------------------------------------------------------------------
|
|
/*
|
|
This file is part of Beast: https://github.com/vinniefalco/Beast
|
|
Copyright 2013, Vinnie Falco <vinnie.falco@gmail.com>
|
|
|
|
Permission to use, copy, modify, and/or distribute this software for any
|
|
purpose with or without fee is hereby granted, provided that the above
|
|
copyright notice and this permission notice appear in all copies.
|
|
|
|
THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
|
|
WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
|
|
MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
|
|
ANY SPECIAL , DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
|
|
WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
|
|
ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
|
|
OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
|
|
*/
|
|
//==============================================================================
|
|
|
|
namespace beast
|
|
{
|
|
|
|
// Manages the list of hooks, and calls
|
|
// whoever is in the list at exit time.
|
|
//
|
|
class AtExitHook::Manager
|
|
{
|
|
public:
|
|
Manager ()
|
|
: m_didStaticDestruction (false)
|
|
{
|
|
}
|
|
|
|
static inline Manager& get ()
|
|
{
|
|
return StaticObject <Manager>::get();
|
|
}
|
|
|
|
void insert (Item& item)
|
|
{
|
|
ScopedLockType lock (m_mutex);
|
|
|
|
// Adding a new AtExitHook during or after the destruction
|
|
// of objects with static storage duration has taken place?
|
|
// Surely something has gone wrong.
|
|
//
|
|
bassert (! m_didStaticDestruction);
|
|
m_list.push_front (item);
|
|
}
|
|
|
|
void erase (Item& item)
|
|
{
|
|
ScopedLockType lock (m_mutex);
|
|
|
|
m_list.erase (m_list.iterator_to (item));
|
|
}
|
|
|
|
private:
|
|
// Called at program exit when destructors for objects
|
|
// with static storage duration are invoked.
|
|
//
|
|
void doStaticDestruction ()
|
|
{
|
|
// In theory this shouldn't be needed (?)
|
|
ScopedLockType lock (m_mutex);
|
|
|
|
bassert (! m_didStaticDestruction);
|
|
m_didStaticDestruction = true;
|
|
|
|
for (List <Item>::iterator iter (m_list.begin()); iter != m_list.end();)
|
|
{
|
|
Item& item (*iter++);
|
|
AtExitHook* const hook (item.hook ());
|
|
hook->onExit ();
|
|
}
|
|
|
|
// Now do the leak checking
|
|
//
|
|
LeakCheckedBase::checkForLeaks ();
|
|
}
|
|
|
|
struct StaticDestructor
|
|
{
|
|
~StaticDestructor ()
|
|
{
|
|
Manager::get().doStaticDestruction();
|
|
}
|
|
};
|
|
|
|
typedef CriticalSection MutexType;
|
|
typedef MutexType::ScopedLockType ScopedLockType;
|
|
|
|
static StaticDestructor s_staticDestructor;
|
|
|
|
MutexType m_mutex;
|
|
List <Item> m_list;
|
|
bool m_didStaticDestruction;
|
|
};
|
|
|
|
// This is an object with static storage duration.
|
|
// When it gets destroyed, we will call into the Manager to
|
|
// call all of the AtExitHook items in the list.
|
|
//
|
|
AtExitHook::Manager::StaticDestructor AtExitHook::Manager::s_staticDestructor;
|
|
|
|
//------------------------------------------------------------------------------
|
|
|
|
AtExitHook::Item::Item (AtExitHook* hook)
|
|
: m_hook (hook)
|
|
{
|
|
}
|
|
|
|
AtExitHook* AtExitHook::Item::hook ()
|
|
{
|
|
return m_hook;
|
|
}
|
|
|
|
//------------------------------------------------------------------------------
|
|
|
|
AtExitHook::AtExitHook ()
|
|
: m_item (this)
|
|
{
|
|
#if BEAST_IOS
|
|
// Patrick Dehne:
|
|
// AtExitHook::Manager::insert crashes on iOS
|
|
// if the storage is not accessed before it is used.
|
|
//
|
|
// VFALCO TODO Figure out why and fix it cleanly if needed.
|
|
//
|
|
char* hack = AtExitHook::Manager::s_list.s_storage;
|
|
#endif
|
|
|
|
Manager::get().insert (m_item);
|
|
}
|
|
|
|
AtExitHook::~AtExitHook ()
|
|
{
|
|
Manager::get().erase (m_item);
|
|
}
|
|
|
|
} // beast
|