#define _LIBCPP_ABI_FIX_UNORDERED_NODE_POINTER_UB
#define _LIBCPP_ABI_FORWARD_LIST_REMOVE_NODE_POINTER_UB
#define _LIBCPP_ABI_FIX_UNORDERED_CONTAINER_SIZE_TYPE
-#define _LIBCPP_ABI_VARIADIC_LOCK_GUARD
// Don't use a nullptr_t simulation type in C++03 instead using C++11 nullptr
// provided under the alternate keyword __nullptr, which changes the mangling
// of nullptr_t. This option is ABI incompatible with GCC in C++03 mode.
# define _LIBCPP_ENABLE_CXX17_REMOVED_RANDOM_SHUFFLE
#endif // _LIBCPP_ENABLE_CXX17_REMOVED_FEATURES
+#if !defined(__cpp_deduction_guides) || __cpp_deduction_guides < 201611
+# define _LIBCPP_HAS_NO_DEDUCTION_GUIDES
+#endif
+
#endif // __cplusplus
#endif // _LIBCPP_CONFIG
#endif
-
-// Forward declare lock_guard as a variadic template even in C++03 to keep
-// the mangling consistent between dialects.
-#if defined(_LIBCPP_ABI_VARIADIC_LOCK_GUARD)
-template <class ..._Mutexes>
-class _LIBCPP_TEMPLATE_VIS lock_guard;
-#endif
-
template <class _Mutex>
class _LIBCPP_TEMPLATE_VIS _LIBCPP_THREAD_SAFETY_ANNOTATION(scoped_lockable)
-#if !defined(_LIBCPP_ABI_VARIADIC_LOCK_GUARD)
lock_guard
-#else
-lock_guard<_Mutex>
-#endif
{
public:
typedef _Mutex mutex_type;
lock_guard& operator=(lock_guard const&) = delete;
};
-template <class... MutexTypes> // Variadic lock_guard only provided in ABI V2.
-class lock_guard
+template <class... MutexTypes>
+class scoped_lock // C++17
{
public:
- explicit lock_guard(MutexTypes&... m);
- lock_guard(MutexTypes&... m, adopt_lock_t);
- ~lock_guard();
- lock_guard(lock_guard const&) = delete;
- lock_guard& operator=(lock_guard const&) = delete;
+ using mutex_type = Mutex; // If MutexTypes... consists of the single type Mutex
+
+ explicit scoped_lock(MutexTypes&... m);
+ scoped_lock(MutexTypes&... m, adopt_lock_t);
+ ~scoped_lock();
+ scoped_lock(scoped_lock const&) = delete;
+ scoped_lock& operator=(scoped_lock const&) = delete;
private:
tuple<MutexTypes&...> pm; // exposition only
};
#endif // _LIBCPP_HAS_NO_VARIADICS
+#if _LIBCPP_STD_VER > 14
+template <class ..._Mutexes>
+class _LIBCPP_TEMPLATE_VIS scoped_lock;
-#if defined(_LIBCPP_ABI_VARIADIC_LOCK_GUARD) \
- && !defined(_LIBCPP_CXX03_LANG)
template <>
-class _LIBCPP_TEMPLATE_VIS lock_guard<> {
+class _LIBCPP_TEMPLATE_VIS scoped_lock<> {
public:
- explicit lock_guard() {}
- ~lock_guard() = default;
+ explicit scoped_lock() {}
+ ~scoped_lock() = default;
_LIBCPP_INLINE_VISIBILITY
- explicit lock_guard(adopt_lock_t) {}
+ explicit scoped_lock(adopt_lock_t) {}
- lock_guard(lock_guard const&) = delete;
- lock_guard& operator=(lock_guard const&) = delete;
+ scoped_lock(scoped_lock const&) = delete;
+ scoped_lock& operator=(scoped_lock const&) = delete;
+};
+
+template <class _Mutex>
+class _LIBCPP_TEMPLATE_VIS scoped_lock<_Mutex> {
+public:
+ typedef _Mutex mutex_type;
+private:
+ mutex_type& __m_;
+public:
+ explicit scoped_lock(mutex_type & __m) _LIBCPP_THREAD_SAFETY_ANNOTATION(acquire_capability(__m))
+ : __m_(__m) {__m_.lock();}
+
+ ~scoped_lock() _LIBCPP_THREAD_SAFETY_ANNOTATION(release_capability()) {__m_.unlock();}
+
+ _LIBCPP_INLINE_VISIBILITY
+ explicit scoped_lock(mutex_type& __m, adopt_lock_t) _LIBCPP_THREAD_SAFETY_ANNOTATION(requires_capability(__m))
+ : __m_(__m) {}
+
+
+ scoped_lock(scoped_lock const&) = delete;
+ scoped_lock& operator=(scoped_lock const&) = delete;
};
template <class ..._MArgs>
-class _LIBCPP_TEMPLATE_VIS lock_guard
+class _LIBCPP_TEMPLATE_VIS scoped_lock
{
- static_assert(sizeof...(_MArgs) >= 2, "At least 2 lock types required");
+ static_assert(sizeof...(_MArgs) > 1, "At least 2 lock types required");
typedef tuple<_MArgs&...> _MutexTuple;
public:
_LIBCPP_INLINE_VISIBILITY
- explicit lock_guard(_MArgs&... __margs)
+ explicit scoped_lock(_MArgs&... __margs)
: __t_(__margs...)
{
_VSTD::lock(__margs...);
}
_LIBCPP_INLINE_VISIBILITY
- lock_guard(_MArgs&... __margs, adopt_lock_t)
+ scoped_lock(_MArgs&... __margs, adopt_lock_t)
: __t_(__margs...)
{
}
_LIBCPP_INLINE_VISIBILITY
- ~lock_guard() {
+ ~scoped_lock() {
typedef typename __make_tuple_indices<sizeof...(_MArgs)>::type _Indices;
__unlock_unpack(_Indices{}, __t_);
}
- lock_guard(lock_guard const&) = delete;
- lock_guard& operator=(lock_guard const&) = delete;
+ scoped_lock(scoped_lock const&) = delete;
+ scoped_lock& operator=(scoped_lock const&) = delete;
private:
template <size_t ..._Indx>
_MutexTuple __t_;
};
-#endif // _LIBCPP_ABI_VARIADIC_LOCK_GUARD
+#endif // _LIBCPP_STD_VER > 14
_LIBCPP_END_NAMESPACE_STD
#if _LIBCPP_STD_VER > 14
class _LIBCPP_TYPE_VIS shared_mutex
{
- __shared_mutex_base __base;
+ __shared_mutex_base __base;
public:
shared_mutex() : __base() {}
_LIBCPP_INLINE_VISIBILITY ~shared_mutex() = default;
class _LIBCPP_TYPE_VIS shared_timed_mutex
{
- __shared_mutex_base __base;
+ __shared_mutex_base __base;
public:
shared_timed_mutex();
_LIBCPP_INLINE_VISIBILITY ~shared_timed_mutex() = default;
+++ /dev/null
-//===----------------------------------------------------------------------===//
-//
-// The LLVM Compiler Infrastructure
-//
-// This file is dual licensed under the MIT and the University of Illinois Open
-// Source Licenses. See LICENSE.TXT for details.
-//
-//===----------------------------------------------------------------------===//
-//
-// UNSUPPORTED: libcpp-has-no-threads
-
-// TODO(EricWF) Investigate why typeid(...).name() returns a different string
-// on GCC 4.9 but not newer GCCs.
-// XFAIL: gcc-4.9
-// XFAIL: windows
-
-// THIS TESTS C++03 EXTENSIONS.
-
-// <mutex>
-
-// template <class ...Mutex> class lock_guard;
-
-// Test that the the variadic lock guard implementation mangles the same in
-// C++11 and C++03. This is important since the mangling of `lock_guard` depends
-// on it being declared as a variadic template, even in C++03.
-
-// MODULES_DEFINES: _LIBCPP_ABI_VARIADIC_LOCK_GUARD
-#define _LIBCPP_ABI_VARIADIC_LOCK_GUARD
-#include <mutex>
-#include <string>
-#include <typeinfo>
-#include <cassert>
-
-int main() {
- const std::string expect = "NSt3__110lock_guardIJNS_5mutexEEEE";
- assert(typeid(std::lock_guard<std::mutex>).name() == expect);
-}
// explicit lock_guard(mutex_type& m);
+// template<class _Mutex> lock_guard(lock_guard<_Mutex>)
+// -> lock_guard<_Mutex>; // C++17
+
#include <mutex>
#include <thread>
#include <cstdlib>
#include <cassert>
+#include "test_macros.h"
+
std::mutex m;
typedef std::chrono::system_clock Clock;
std::this_thread::sleep_for(ms(250));
m.unlock();
t.join();
+
+#ifdef __cpp_deduction_guides
+ std::lock_guard lg(m);
+ static_assert((std::is_same<decltype(lg), std::lock_guard<decltype(m)>>::value), "" );
+#endif
}
+++ /dev/null
-//===----------------------------------------------------------------------===//
-//
-// The LLVM Compiler Infrastructure
-//
-// This file is dual licensed under the MIT and the University of Illinois Open
-// Source Licenses. See LICENSE.TXT for details.
-//
-//===----------------------------------------------------------------------===//
-//
-// UNSUPPORTED: libcpp-has-no-threads
-// <mutex>
-
-// template <class ...Mutex> class lock_guard;
-
-// Test that the variadic lock guard implementation compiles in all standard
-// dialects, including C++03, even though it is forward declared using
-// variadic templates.
-
-// MODULES_DEFINES: _LIBCPP_ABI_VARIADIC_LOCK_GUARD
-#define _LIBCPP_ABI_VARIADIC_LOCK_GUARD
-#include "mutex.pass.cpp" // Use the existing non-variadic test
//===----------------------------------------------------------------------===//
//
// UNSUPPORTED: libcpp-has-no-threads
-// UNSUPPORTED: c++98, c++03
+// UNSUPPORTED: c++98, c++03, c++11, c++14
// <mutex>
-// template <class ...Mutex> class lock_guard;
+// template <class ...Mutex> class scoped_lock;
-// lock_guard(Mutex&..., adopt_lock_t);
+// scoped_lock(Mutex&..., adopt_lock_t);
-// MODULES_DEFINES: _LIBCPP_ABI_VARIADIC_LOCK_GUARD
-#define _LIBCPP_ABI_VARIADIC_LOCK_GUARD
#include <mutex>
#include <cassert>
+#include "test_macros.h"
struct TestMutex {
bool locked = false;
int main()
{
{
- using LG = std::lock_guard<>;
+ using LG = std::scoped_lock<>;
LG lg(std::adopt_lock);
}
{
+ TestMutex m1;
+ using LG = std::scoped_lock<TestMutex>;
+ m1.lock();
+ {
+ LG lg(m1, std::adopt_lock);
+ assert(m1.locked);
+ }
+ assert(!m1.locked);
+ }
+ {
TestMutex m1, m2;
- using LG = std::lock_guard<TestMutex, TestMutex>;
+ using LG = std::scoped_lock<TestMutex, TestMutex>;
m1.lock(); m2.lock();
{
LG lg(m1, m2, std::adopt_lock);
}
{
TestMutex m1, m2, m3;
- using LG = std::lock_guard<TestMutex, TestMutex, TestMutex>;
+ using LG = std::scoped_lock<TestMutex, TestMutex, TestMutex>;
m1.lock(); m2.lock(); m3.lock();
{
LG lg(m1, m2, m3, std::adopt_lock);
//===----------------------------------------------------------------------===//
// UNSUPPORTED: libcpp-has-no-threads
-// UNSUPPORTED: c++98, c++03
+// UNSUPPORTED: c++98, c++03, c++11, c++14
// <mutex>
-// template <class ...Mutex> class lock_guard;
+// template <class ...Mutex> class scoped_lock;
-// lock_guard& operator=(lock_guard const&) = delete;
+// scoped_lock& operator=(scoped_lock const&) = delete;
-// MODULES_DEFINES: _LIBCPP_ABI_VARIADIC_LOCK_GUARD
-#define _LIBCPP_ABI_VARIADIC_LOCK_GUARD
#include <mutex>
+#include "test_macros.h"
int main()
{
M m0, m1, m2;
M om0, om1, om2;
{
- using LG = std::lock_guard<>;
+ using LG = std::scoped_lock<>;
LG lg1, lg2;
lg1 = lg2; // expected-error{{overload resolution selected deleted operator '='}}
}
{
- using LG = std::lock_guard<M, M>;
+ using LG = std::scoped_lock<M>;
+ LG lg1(m0);
+ LG lg2(om0);
+ lg1 = lg2; // expected-error{{overload resolution selected deleted operator '='}}
+ }
+ {
+ using LG = std::scoped_lock<M, M>;
LG lg1(m0, m1);
LG lg2(om0, om1);
lg1 = lg2; // expected-error{{overload resolution selected deleted operator '='}}
}
{
- using LG = std::lock_guard<M, M, M>;
+ using LG = std::scoped_lock<M, M, M>;
LG lg1(m0, m1, m2);
LG lg2(om0, om1, om2);
lg1 = lg2; // expected-error{{overload resolution selected deleted operator '='}}
//===----------------------------------------------------------------------===//
// UNSUPPORTED: libcpp-has-no-threads
-// UNSUPPORTED: c++98, c++03
+// UNSUPPORTED: c++98, c++03, c++11, c++14
// <mutex>
-// template <class ...Mutex> class lock_guard;
+// template <class ...Mutex> class scoped_lock;
-// lock_guard(lock_guard const&) = delete;
+// scoped_lock(scoped_lock const&) = delete;
-// MODULES_DEFINES: _LIBCPP_ABI_VARIADIC_LOCK_GUARD
-#define _LIBCPP_ABI_VARIADIC_LOCK_GUARD
#include <mutex>
+#include "test_macros.h"
int main()
{
using M = std::mutex;
M m0, m1, m2;
{
- using LG = std::lock_guard<>;
+ using LG = std::scoped_lock<>;
const LG Orig;
LG Copy(Orig); // expected-error{{call to deleted constructor of 'LG'}}
}
{
- using LG = std::lock_guard<M, M>;
+ using LG = std::scoped_lock<M>;
+ const LG Orig(m0);
+ LG Copy(Orig); // expected-error{{call to deleted constructor of 'LG'}}
+ }
+ {
+ using LG = std::scoped_lock<M, M>;
const LG Orig(m0, m1);
LG Copy(Orig); // expected-error{{call to deleted constructor of 'LG'}}
}
{
- using LG = std::lock_guard<M, M, M>;
+ using LG = std::scoped_lock<M, M, M>;
const LG Orig(m0, m1, m2);
LG Copy(Orig); // expected-error{{call to deleted constructor of 'LG'}}
}
//===----------------------------------------------------------------------===//
// UNSUPPORTED: libcpp-has-no-threads
-// UNSUPPORTED: c++98, c++03
+// UNSUPPORTED: c++98, c++03, c++11, c++14
// <mutex>
-// template <class ...Mutex> class lock_guard;
+// template <class ...Mutex> class scoped_lock;
-// explicit lock_guard(Mutex&...);
+// explicit scoped_lock(Mutex&...);
-// MODULES_DEFINES: _LIBCPP_ABI_VARIADIC_LOCK_GUARD
-#define _LIBCPP_ABI_VARIADIC_LOCK_GUARD
#include <mutex>
+#include "test_macros.h"
template <class LG>
void test_conversion(LG) {}
M m0, m1, m2;
M n0, n1, n2;
{
- using LG = std::lock_guard<>;
+ using LG = std::scoped_lock<>;
LG lg = {}; // expected-error{{chosen constructor is explicit in copy-initialization}}
test_conversion<LG>({}); // expected-error{{no matching function for call}}
((void)lg);
}
{
- using LG = std::lock_guard<M, M>;
+ using LG = std::scoped_lock<M>;
+ LG lg = {m0}; // expected-error{{chosen constructor is explicit in copy-initialization}}
+ test_conversion<LG>({n0}); // expected-error{{no matching function for call}}
+ ((void)lg);
+ }
+ {
+ using LG = std::scoped_lock<M, M>;
LG lg = {m0, m1}; // expected-error{{chosen constructor is explicit in copy-initialization}}
test_conversion<LG>({n0, n1}); // expected-error{{no matching function for call}}
((void)lg);
}
{
- using LG = std::lock_guard<M, M, M>;
+ using LG = std::scoped_lock<M, M, M>;
LG lg = {m0, m1, m2}; // expected-error{{chosen constructor is explicit in copy-initialization}}
test_conversion<LG>({n0, n1, n2}); // expected-error{{no matching function for call}}
}
//===----------------------------------------------------------------------===//
//
// UNSUPPORTED: libcpp-has-no-threads
-// UNSUPPORTED: c++98, c++03
+// UNSUPPORTED: c++98, c++03, c++11, c++14
// <mutex>
-// template <class ...Mutex> class lock_guard;
+// template <class ...Mutex> class scoped_lock;
-// explicit lock_guard(mutex_type& m);
+// explicit scoped_lock(mutex_type& m);
-// MODULES_DEFINES: _LIBCPP_ABI_VARIADIC_LOCK_GUARD
-#define _LIBCPP_ABI_VARIADIC_LOCK_GUARD
#include <mutex>
#include <cassert>
-
#include "test_macros.h"
struct TestMutex {
int main()
{
{
- using LG = std::lock_guard<>;
+ using LG = std::scoped_lock<>;
LG lg;
}
{
- using LG = std::lock_guard<TestMutex, TestMutex>;
+ using LG = std::scoped_lock<TestMutex>;
+ TestMutex m1;
+ {
+ LG lg(m1);
+ assert(m1.locked);
+ }
+ assert(!m1.locked);
+ }
+ {
+ using LG = std::scoped_lock<TestMutex, TestMutex>;
TestMutex m1, m2;
{
LG lg(m1, m2);
assert(!m1.locked && !m2.locked);
}
{
- using LG = std::lock_guard<TestMutex, TestMutex, TestMutex>;
+ using LG = std::scoped_lock<TestMutex, TestMutex, TestMutex>;
TestMutex m1, m2, m3;
{
LG lg(m1, m2, m3);
#if !defined(TEST_HAS_NO_EXCEPTIONS)
{
using MT = TestMutexThrows;
- using LG = std::lock_guard<MT, MT>;
+ using LG = std::scoped_lock<MT>;
+ MT m1;
+ m1.throws_on_lock = true;
+ try {
+ LG lg(m1);
+ assert(false);
+ } catch (int) {}
+ assert(!m1.locked);
+ }
+ {
+ using MT = TestMutexThrows;
+ using LG = std::scoped_lock<MT, MT>;
MT m1, m2;
m1.throws_on_lock = true;
try {
}
{
using MT = TestMutexThrows;
- using LG = std::lock_guard<MT, MT, MT>;
+ using LG = std::scoped_lock<MT, MT, MT>;
MT m1, m2, m3;
m2.throws_on_lock = true;
try {
assert(!m1.locked && !m2.locked && !m3.locked);
}
#endif
+
+#ifdef __cpp_deduction_guides
+ {
+ TestMutex m1, m2, m3;
+ {
+ std::scoped_lock sl{};
+ static_assert((std::is_same<decltype(sl), std::scoped_lock<>>::value), "" );
+ }
+ {
+ std::scoped_lock sl{m1};
+ static_assert((std::is_same<decltype(sl), std::scoped_lock<decltype(m1)>>::value), "" );
+ }
+ {
+ std::scoped_lock sl{m1, m2};
+ static_assert((std::is_same<decltype(sl), std::scoped_lock<decltype(m1), decltype(m2)>>::value), "" );
+ }
+ {
+ std::scoped_lock sl{m1, m2, m3};
+ static_assert((std::is_same<decltype(sl), std::scoped_lock<decltype(m1), decltype(m2), decltype(m3)>>::value), "" );
+ }
+ }
+#endif
}
//===----------------------------------------------------------------------===//
//
// UNSUPPORTED: libcpp-has-no-threads
-// UNSUPPORTED: c++98, c++03
+// UNSUPPORTED: c++98, c++03, c++11, c++14
// <mutex>
-// template <class Mutex>
-// class lock_guard
+// template <class Mutex...>
+// class scoped_lock
// {
// public:
-// typedef Mutex mutex_type;
+// typedef Mutex mutex_type; // only if sizeof...(Mutex) == 1
// ...
// };
-// MODULES_DEFINES: _LIBCPP_ABI_VARIADIC_LOCK_GUARD
-#define _LIBCPP_ABI_VARIADIC_LOCK_GUARD
#include <mutex>
#include <type_traits>
+#include "test_macros.h"
struct NAT {};
int main()
{
{
- using T = std::lock_guard<>;
+ using T = std::scoped_lock<>;
static_assert(!has_mutex_type<T>(), "");
}
{
using M1 = std::mutex;
- using T = std::lock_guard<M1>;
+ using T = std::scoped_lock<M1>;
static_assert(std::is_same<T::mutex_type, M1>::value, "");
}
{
using M1 = std::recursive_mutex;
- using T = std::lock_guard<M1>;
+ using T = std::scoped_lock<M1>;
static_assert(std::is_same<T::mutex_type, M1>::value, "");
}
{
using M1 = std::mutex;
using M2 = std::recursive_mutex;
- using T = std::lock_guard<M1, M2>;
+ using T = std::scoped_lock<M1, M2>;
static_assert(!has_mutex_type<T>(), "");
}
{
using M1 = std::mutex;
using M2 = std::recursive_mutex;
- using T = std::lock_guard<M1, M1, M2>;
+ using T = std::scoped_lock<M1, M1, M2>;
static_assert(!has_mutex_type<T>(), "");
}
{
using M1 = std::mutex;
- using T = std::lock_guard<M1, M1>;
+ using T = std::scoped_lock<M1, M1>;
static_assert(!has_mutex_type<T>(), "");
}
{
using M1 = std::recursive_mutex;
- using T = std::lock_guard<M1, M1, M1>;
+ using T = std::scoped_lock<M1, M1, M1>;
static_assert(!has_mutex_type<T>(), "");
}
}
// explicit shared_lock(mutex_type& m);
+// template<class _Mutex> shared_lock(shared_lock<_Mutex>)
+// -> shared_lock<_Mutex>; // C++17
+
#include <shared_mutex>
#include <thread>
#include <vector>
t.join();
q.join();
}
+
+#ifdef __cpp_deduction_guides
+ std::shared_lock sl(m);
+ static_assert((std::is_same<decltype(sl), std::shared_lock<decltype(m)>>::value), "" );
+#endif
}
// explicit unique_lock(mutex_type& m);
+// template<class _Mutex> unique_lock(unique_lock<_Mutex>)
+// -> unique_lock<_Mutex>; // C++17
+
#include <mutex>
#include <thread>
#include <cstdlib>
#include <cassert>
+#include "test_macros.h"
+
std::mutex m;
typedef std::chrono::system_clock Clock;
std::this_thread::sleep_for(ms(250));
m.unlock();
t.join();
+
+#ifdef __cpp_deduction_guides
+ std::unique_lock ul(m);
+ static_assert((std::is_same<decltype(ul), std::unique_lock<decltype(m)>>::value), "" );
+#endif
}
<tr><td><a href="http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2015/p0006r0.html">P0006R0</a></td><td>LWG</td><td>Adopt Type Traits Variable Templates for C++17.</td><td>Kona</td><td>Complete</td><td>3.8</td></tr>
<tr><td><a href="http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2015/P0092R1.html">P0092R1</a></td><td>LWG</td><td>Polishing <chrono></td><td>Kona</td><td>Complete</td><td>3.8</td></tr>
<tr><td><a href="http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2015/P0007R1.html">P0007R1</a></td><td>LWG</td><td>Constant View: A proposal for a <tt>std::as_const</tt> helper function template.</td><td>Kona</td><td>Complete</td><td>3.8</td></tr>
- <tr><td><a href="http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2015/p0156r0.html" >P0156R0</a></td><td>LWG</td><td>Variadic lock_guard(rev 3).</td><td>Kona</td><td>Complete (ABI V2 Only)</td><td>3.9</td></tr>
+ <tr><td><a href="http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2015/p0156r0.html" >P0156R0</a></td><td>LWG</td><td>Variadic lock_guard(rev 3).</td><td>Kona</td><td><I>Reverted in Kona</I></td><td>3.9</td></tr>
<tr><td><a href="http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2015/P0074R0.html">P0074R0</a></td><td>LWG</td><td>Making <tt>std::owner_less</tt> more flexible</td><td>Kona</td><td>Complete</td><td>3.8</td></tr>
<tr><td><a href="http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2015/P0013R1.html">P0013R1</a></td><td>LWG</td><td>Logical type traits rev 2</td><td>Kona</td><td>Complete</td><td>3.8</td></tr>
<tr><td></td><td></td><td></td><td></td><td></td><td></td></tr>
<tr><td><a href="http://wg21.link/P0517R0">P0517R0</a></td><td>LWG</td><td>Make future_error Constructible</td><td>Issaquah</td><td>Complete</td><td>4.0</td></tr>
<tr><td><a href="http://wg21.link/P0521R0">P0521R0</a></td><td>LWG</td><td>Proposed Resolution for CA 14 (shared_ptr use_count/unique)</td><td>Issaquah</td><td><i>Nothing to do</i></td><td>n/a</td></tr>
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- <tr><td><a href="http://wg21.link/P0156R2">P0156R2</a></td><td>LWG</td><td>Variadic Lock guard</td><td>Kona</td><td></td><td></td></tr>
+ <tr><td><a href="http://wg21.link/P0156R2">P0156R2</a></td><td>LWG</td><td>Variadic Lock guard(rev 5)</td><td>Kona</td><td>Complete</td><td>5.0</td></tr>
<tr><td><a href="http://wg21.link/P0270R3">P0270R3</a></td><td>CWG</td><td>Removing C dependencies from signal handler wording</td><td>Kona</td><td></td><td></td></tr>
<tr><td><a href="http://wg21.link/P0298R3">P0298R3</a></td><td>CWG</td><td>A byte type definition</td><td>Kona</td><td></td><td></td></tr>
<tr><td><a href="http://wg21.link/P0317R1">P0317R1</a></td><td>LWG</td><td>Directory Entry Caching for Filesystem</td><td>Kona</td><td></td><td></td></tr>
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</table>
- <p>Last Updated: 6-Mar-2017</p>
+ <p>Last Updated: 23-Mar-2017</p>
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