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Set the openssl callback function for getting a thread ID.

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[SVN r42817]
This commit is contained in:
Christopher Kohlhoff
2008-01-16 13:46:01 +00:00
parent 1f215cd262
commit 0b26077356
1 changed files with 16 additions and 0 deletions
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16
include/boost/asio/ssl/detail/openssl_init.hpp
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@@ -20,10 +20,12 @@
#include <boost/asio/detail/push_options.hpp>
#include <vector>
#include <boost/assert.hpp>
#include <boost/shared_ptr.hpp>
#include <boost/asio/detail/pop_options.hpp>
#include <boost/asio/detail/mutex.hpp>
#include <boost/asio/detail/tss_ptr.hpp>
#include <boost/asio/ssl/detail/openssl_types.hpp>
namespace boost {
@@ -52,6 +54,7 @@ private:
for (size_t i = 0; i < mutexes_.size(); ++i)
mutexes_[i].reset(new boost::asio::detail::mutex);
::CRYPTO_set_locking_callback(&do_init::openssl_locking_func);
::CRYPTO_set_id_callback(&do_init::openssl_id_func);
}
}
@@ -59,6 +62,7 @@ private:
{
if (Do_Init)
{
::CRYPTO_set_id_callback(0);
::CRYPTO_set_locking_callback(0);
::ERR_free_strings();
::ERR_remove_state(0);
@@ -81,6 +85,15 @@ private:
}
private:
static unsigned long openssl_id_func()
{
void* id = instance()->thread_id_;
if (id == 0)
instance()->thread_id_ = id = &id; // Ugh.
BOOST_ASSERT(sizeof(unsigned long) >= sizeof(void*));
return reinterpret_cast<unsigned long>(id);
}
static void openssl_locking_func(int mode, int n,
const char *file, int line)
{
@@ -92,6 +105,9 @@ private:
// Mutexes to be used in locking callbacks.
std::vector<boost::shared_ptr<boost::asio::detail::mutex> > mutexes_;
// The thread identifiers to be used by openssl.
boost::asio::detail::tss_ptr<void> thread_id_;
};
public: