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/usr/include/boost/thread

Name	Size	Mode	Actions
concurrent_queues/	-	0755	rm
csbl/	-	0755	rm
detail/	-	0755	rm
executors/	-	0755	rm
experimental/	-	0755	rm
futures/	-	0755	rm
pthread/	-	0755	rm
v2/	-	0755	rm
win32/	-	0755	rm
barrier.hpp	7421	0644	edit dl rm
caller_context.hpp	1526	0644	edit dl rm
completion_latch.hpp	6579	0644	edit dl rm
condition.hpp	490	0644	edit dl rm
condition_variable.hpp	634	0644	edit dl rm
cv_status.hpp	531	0644	edit dl rm
exceptional_ptr.hpp	1098	0644	edit dl rm
exceptions.hpp	6286	0644	edit dl rm
executor.hpp	476	0644	edit dl rm
externally_locked.hpp	10792	0644	edit dl rm
externally_locked_stream.hpp	4784	0644	edit dl rm
future.hpp	203792	0644	edit dl rm
interruption.hpp	596	0644	edit dl rm
is_locked_by_this_thread.hpp	1062	0644	edit dl rm
latch.hpp	4967	0644	edit dl rm
lockable_adapter.hpp	6043	0644	edit dl rm
lockable_concepts.hpp	4114	0644	edit dl rm
lockable_traits.hpp	7853	0644	edit dl rm
locks.hpp	572	0644	edit dl rm
lock_algorithms.hpp	13201	0644	edit dl rm
lock_concepts.hpp	4792	0644	edit dl rm
lock_factories.hpp	2317	0644	edit dl rm
lock_guard.hpp	2290	0644	edit dl rm
lock_options.hpp	701	0644	edit dl rm
lock_traits.hpp	1234	0644	edit dl rm
lock_types.hpp	34418	0644	edit dl rm
mutex.hpp	1166	0644	edit dl rm
null_mutex.hpp	6346	0644	edit dl rm
once.hpp	1324	0644	edit dl rm
ostream_buffer.hpp	925	0644	edit dl rm
poly_lockable.hpp	2100	0644	edit dl rm
poly_lockable_adapter.hpp	2124	0644	edit dl rm
poly_shared_lockable.hpp	5807	0644	edit dl rm
poly_shared_lockable_adapter.hpp	4792	0644	edit dl rm
recursive_mutex.hpp	1535	0644	edit dl rm
reverse_lock.hpp	1316	0644	edit dl rm
scoped_thread.hpp	8547	0644	edit dl rm
shared_lock_guard.hpp	1192	0644	edit dl rm
shared_mutex.hpp	1400	0644	edit dl rm
strict_lock.hpp	6246	0644	edit dl rm
synchronized_value.hpp	31110	0644	edit dl rm
sync_bounded_queue.hpp	595	0644	edit dl rm
sync_queue.hpp	571	0644	edit dl rm
testable_mutex.hpp	3925	0644	edit dl rm
thread.hpp	385	0644	edit dl rm
thread_functors.hpp	1366	0644	edit dl rm
thread_guard.hpp	1069	0644	edit dl rm
thread_only.hpp	803	0644	edit dl rm
thread_pool.hpp	531	0644	edit dl rm
thread_time.hpp	1590	0644	edit dl rm
tss.hpp	2603	0644	edit dl rm
user_scheduler.hpp	5222	0644	edit dl rm
with_lock_guard.hpp	6052	0644	edit dl rm
xtime.hpp	2390	0644	edit dl rm

Edit: /usr/include/boost/thread/with_lock_guard.hpp (6052B)

// (C) Copyright 2013 Ruslan Baratov
// Copyright (C) 2014 Vicente J. Botet Escriba
//
// 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)

//  See www.boost.org/libs/thread for documentation.

#ifndef BOOST_THREAD_WITH_LOCK_GUARD_HPP
#define BOOST_THREAD_WITH_LOCK_GUARD_HPP

#include <boost/thread/lock_guard.hpp>
#include <boost/utility/result_of.hpp>
//#include <boost/thread/detail/invoke.hpp>

namespace boost {

#if !defined(BOOST_NO_CXX11_VARIADIC_TEMPLATES) && \
    !defined(BOOST_NO_CXX11_DECLTYPE) && \
    !defined(BOOST_NO_CXX11_TRAILING_RESULT_TYPES)

/**
 * Utility to run functions in scope protected by mutex.
 *
 * Examples:
 *
 *     int func(int, int&);
 *     boost::mutex m;
 *     int a;
 *     int result = boost::with_lock_guard(m, func, 1, boost::ref(a));
 *
 *     // using boost::bind
 *     int result = boost::with_lock_guard(
 *         m, boost::bind(func, 2, boost::ref(a))
 *     );
 *
 *     // using lambda
 *     int a;
 *     int result = boost::with_lock_guard(
 *         m,
 *         [&a](int x) {
 *           a = 3;
 *           return x + 4;
 *         },
 *         5
 *     );
 */
template <class Lockable, class Function, class... Args>
typename boost::result_of<Function(Args...)>::type with_lock_guard(
    Lockable& m,
    BOOST_FWD_REF(Function) func,
    BOOST_FWD_REF(Args)... args
) //-> decltype(func(boost::forward<Args>(args)...))
{
  boost::lock_guard<Lockable> lock(m);
  return func(boost::forward<Args>(args)...);
}

#else

// Workaround versions for compilers without c++11 variadic templates support.
// (function arguments limit: 4)
// (for lambda support define BOOST_RESULT_OF_USE_DECLTYPE may be needed)

template <class Lockable, class Func>
typename boost::result_of<Func()>::type with_lock_guard(
    Lockable& m,
    BOOST_FWD_REF(Func) func
) {
  boost::lock_guard<Lockable> lock(m);
  return func();
}

template <class Lockable, class Func, class Arg>
typename boost::result_of<Func(Arg)>::type with_lock_guard(
    Lockable& m,
    BOOST_FWD_REF(Func) func,
    BOOST_FWD_REF(Arg) arg
) {
  boost::lock_guard<Lockable> lock(m);
  return func(
      boost::forward<Arg>(arg)
  );
}

template <class Lockable, class Func, class Arg1, class Arg2>
typename boost::result_of<Func(Arg1, Arg2)>::type with_lock_guard(
    Lockable& m,
    BOOST_FWD_REF(Func) func,
    BOOST_FWD_REF(Arg1) arg1,
    BOOST_FWD_REF(Arg2) arg2
) {
  boost::lock_guard<Lockable> lock(m);
  return func(
      boost::forward<Arg1>(arg1),
      boost::forward<Arg2>(arg2)
  );
}

template <class Lockable, class Func, class Arg1, class Arg2, class Arg3>
typename boost::result_of<Func(Arg1, Arg2, Arg3)>::type with_lock_guard(
    Lockable& m,
    BOOST_FWD_REF(Func) func,
    BOOST_FWD_REF(Arg1) arg1,
    BOOST_FWD_REF(Arg2) arg2,
    BOOST_FWD_REF(Arg3) arg3
) {
  boost::lock_guard<Lockable> lock(m);
  return func(
      boost::forward<Arg1>(arg1),
      boost::forward<Arg2>(arg2),
      boost::forward<Arg3>(arg3)
  );
}

template <
    class Lockable, class Func, class Arg1, class Arg2, class Arg3, class Arg4
>
typename boost::result_of<Func(Arg1, Arg2, Arg3, Arg4)>::type with_lock_guard(
    Lockable& m,
    BOOST_FWD_REF(Func) func,
    BOOST_FWD_REF(Arg1) arg1,
    BOOST_FWD_REF(Arg2) arg2,
    BOOST_FWD_REF(Arg3) arg3,
    BOOST_FWD_REF(Arg4) arg4
) {
  boost::lock_guard<Lockable> lock(m);
  return func(
      boost::forward<Arg1>(arg1),
      boost::forward<Arg2>(arg2),
      boost::forward<Arg3>(arg3),
      boost::forward<Arg4>(arg4)
  );
}

// overloads for function pointer
// (if argument is not function pointer, static assert will trigger)
template <class Lockable, class Func>
typename boost::result_of<
    typename boost::add_pointer<Func>::type()
>::type with_lock_guard(
    Lockable& m,
    Func* func
) {
  BOOST_STATIC_ASSERT(boost::is_function<Func>::value);

boost::lock_guard<Lockable> lock(m);
  return func();
}

template <class Lockable, class Func, class Arg>
typename boost::result_of<
    typename boost::add_pointer<Func>::type(Arg)
>::type with_lock_guard(
    Lockable& m,
    Func* func,
    BOOST_FWD_REF(Arg) arg
) {
  BOOST_STATIC_ASSERT(boost::is_function<Func>::value);

boost::lock_guard<Lockable> lock(m);
  return func(
      boost::forward<Arg>(arg)
  );
}

template <class Lockable, class Func, class Arg1, class Arg2>
typename boost::result_of<
    typename boost::add_pointer<Func>::type(Arg1, Arg2)
>::type with_lock_guard(
    Lockable& m,
    Func* func,
    BOOST_FWD_REF(Arg1) arg1,
    BOOST_FWD_REF(Arg2) arg2
) {
  BOOST_STATIC_ASSERT(boost::is_function<Func>::value);

boost::lock_guard<Lockable> lock(m);
  return func(
      boost::forward<Arg1>(arg1),
      boost::forward<Arg2>(arg2)
  );
}

template <class Lockable, class Func, class Arg1, class Arg2, class Arg3>
typename boost::result_of<
    typename boost::add_pointer<Func>::type(Arg1, Arg2, Arg3)
>::type with_lock_guard(
    Lockable& m,
    Func* func,
    BOOST_FWD_REF(Arg1) arg1,
    BOOST_FWD_REF(Arg2) arg2,
    BOOST_FWD_REF(Arg3) arg3
) {
  BOOST_STATIC_ASSERT(boost::is_function<Func>::value);

boost::lock_guard<Lockable> lock(m);
  return func(
      boost::forward<Arg1>(arg1),
      boost::forward<Arg2>(arg2),
      boost::forward<Arg3>(arg3)
  );
}

template <
    class Lockable, class Func, class Arg1, class Arg2, class Arg3, class Arg4
>
typename boost::result_of<
    typename boost::add_pointer<Func>::type(Arg1, Arg2, Arg3, Arg4)
>::type with_lock_guard(
    Lockable& m,
    Func* func,
    BOOST_FWD_REF(Arg1) arg1,
    BOOST_FWD_REF(Arg2) arg2,
    BOOST_FWD_REF(Arg3) arg3,
    BOOST_FWD_REF(Arg4) arg4
) {
  BOOST_STATIC_ASSERT(boost::is_function<Func>::value);

boost::lock_guard<Lockable> lock(m);
  return func(
      boost::forward<Arg1>(arg1),
      boost::forward<Arg2>(arg2),
      boost::forward<Arg3>(arg3),
      boost::forward<Arg4>(arg4)
  );
}

#endif

} // namespace boost

#endif // BOOST_THREAD_WITH_LOCK_GUARD_HPP

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