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Diffstat (limited to '3rdParty/Boost/src/boost/smart_ptr/detail/spinlock_pt.hpp')
-rw-r--r--3rdParty/Boost/src/boost/smart_ptr/detail/spinlock_pt.hpp79
1 files changed, 79 insertions, 0 deletions
diff --git a/3rdParty/Boost/src/boost/smart_ptr/detail/spinlock_pt.hpp b/3rdParty/Boost/src/boost/smart_ptr/detail/spinlock_pt.hpp
new file mode 100644
index 0000000..f9cabfc
--- /dev/null
+++ b/3rdParty/Boost/src/boost/smart_ptr/detail/spinlock_pt.hpp
@@ -0,0 +1,79 @@
+#ifndef BOOST_SMART_PTR_DETAIL_SPINLOCK_PT_HPP_INCLUDED
+#define BOOST_SMART_PTR_DETAIL_SPINLOCK_PT_HPP_INCLUDED
+
+// MS compatible compilers support #pragma once
+
+#if defined(_MSC_VER) && (_MSC_VER >= 1020)
+# pragma once
+#endif
+
+//
+// Copyright (c) 2008 Peter Dimov
+//
+// Distributed under the Boost Software License, Version 1.0.
+// See accompanying file LICENSE_1_0.txt or copy at
+// http://www.boost.org/LICENSE_1_0.txt)
+//
+
+#include <pthread.h>
+
+namespace boost
+{
+
+namespace detail
+{
+
+class spinlock
+{
+public:
+
+ pthread_mutex_t v_;
+
+public:
+
+ bool try_lock()
+ {
+ return pthread_mutex_trylock( &v_ ) == 0;
+ }
+
+ void lock()
+ {
+ pthread_mutex_lock( &v_ );
+ }
+
+ void unlock()
+ {
+ pthread_mutex_unlock( &v_ );
+ }
+
+public:
+
+ class scoped_lock
+ {
+ private:
+
+ spinlock & sp_;
+
+ scoped_lock( scoped_lock const & );
+ scoped_lock & operator=( scoped_lock const & );
+
+ public:
+
+ explicit scoped_lock( spinlock & sp ): sp_( sp )
+ {
+ sp.lock();
+ }
+
+ ~scoped_lock()
+ {
+ sp_.unlock();
+ }
+ };
+};
+
+} // namespace detail
+} // namespace boost
+
+#define BOOST_DETAIL_SPINLOCK_INIT { PTHREAD_MUTEX_INITIALIZER }
+
+#endif // #ifndef BOOST_SMART_PTR_DETAIL_SPINLOCK_PT_HPP_INCLUDED