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Subject: [Boost-users] [Asio] Crash on service delete
From: Indrek Sünter (indreksnt_at_[hidden])
Date: 2011-06-24 05:02:58

I'm experiencing a crash when io_service destructor is called.

The service was run on a separate thread and a socket was associated with
The destruction sequence (on main thread, where the service was constructed)
was as follows:

// m_socket was associated with m_service
m_socket->shutdown( boost::asio::ip::tcp::socket::shutdown_both, ec );
m_socket->close( ec );
delete m_socket;
m_socket = NULL;

// Delete work on the service
delete m_work;
m_work = NULL;

// Stop the service

// Join the thread this service was running on
delete m_thread;
m_thread = NULL;

// Crashes here
delete m_service;
m_service = NULL;

Here's what VC10 reported:
Access violation
camc.exe!boost::asio::detail::socket_ops::send(unsigned int s, const _WSABUF
* bufs, unsigned int count, int flags, boost::system::error_code & ec) Line
876 + 0x24 bytes C++
camc.exe!boost::asio::detail::socket_select_interrupter::interrupt() Line
127 + 0x18 bytes C++
camc.exe!boost::asio::detail::select_reactor::shutdown_service() Line 73 C++
camc.exe!boost::asio::detail::service_registry::~service_registry() Line 42
+ 0xf bytes C++
camc.exe!boost::asio::detail::service_registry::`scalar deleting
destructor'() + 0x16 bytes C++
camc.exe!boost::asio::io_service::~io_service() Line 51 + 0x1f bytes C++
camc.exe!boost::asio::io_service::`scalar deleting destructor'() + 0x16
bytes C++

Code crashes on Windows 7 (64bit, boost 1.46.1) and works on Ubuntu 11.04
(64bit, boost 1.42.0).

Any ideas on what I'm missing?

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