* include/std/future (__constrain_pkgdtask): Replace with ...
(packaged_task::__not_same): New alias template, using
__remove_cvref_t instead of decay.
* include/std/thread (thread::__not_same): Add comment.
From-SVN: r261618
PR libstdc++/80316
* include/std/future (_State_baseV2::_Setter::operator()): Remove
_S_check calls that are done after the pointer to the shared state is
already dereferenced.
(_State_baseV2::_Setter<_Res, void>): Define specialization for void
as partial specialization so it can be defined within the definition
of _State_baseV2.
(_State_baseV2::__setter): Call _S_check.
(_State_baseV2::__setter(promise<void>*)): Add overload for use by
promise<void>::set_value and promise<void>::set_value_at_thread_exit.
(promise<T>, promise<T&>, promise<void>): Make _State a friend.
(_State_baseV2::_Setter<void, void>): Remove explicit specialization.
(promise<void>::set_value, promise<void>::set_value_at_thread_exit):
Use new __setter overload.
* testsuite/30_threads/promise/members/at_thread_exit2.cc: New test.
* testsuite/30_threads/promise/members/set_exception.cc: Test
promise<T&> and promise<void> specializations.
* testsuite/30_threads/promise/members/set_exception2.cc: Likewise.
Test for no_state error condition.
* testsuite/30_threads/promise/members/set_value2.cc: Likewise.
From-SVN: r247064
* include/std/functional (_Bind_simple, _Bind_simple_helper)
(__bind_simple): Remove.
* include/std/future: Include <bits/invoke.h> instead of <functional>.
(__future_base::_Task_state::_M_run)
(__future_base::_Task_state::_M_run_delayed): Use lambda expressions
instead of __bind_simple.
(__future_base::_Task_state::_S_maybe_wrap_ref): Remove.
(async): Use thread::__make_invoker instead of __bind_simple.
* include/std/thread: Include <tuple> and <bits/invoke.h> instead of
<functional>.
(thread::_Invoker, thread::__make_invoker): Define helpers to do
INVOKE(DECAY_COPY(f), DECAY_COPY(args)...).
From-SVN: r241093
* include/std/functional (__invoke_impl): New overloads.
(__invoke): Replace with a single function calling __invoke_impl.
(invoke): Add C++17 std::invoke.
(reference_wrapper::operator()): Qualify call to __invoke.
(_Mem_fn_traits_base, _Mem_fn_traits): Remove unused typedefs.
(_Mem_fn_base): Remove unused typedefs and implement call operator in
terms of __invoke.
* include/std/future (__future_base::_Async_state_commonV2): Do not
pass reference_wrapper as object argument to call_once.
* include/std/type_traits (result_of): Define nested __invoke_type.
Handle reference_wrapper as per LWG 2219.
* testsuite/20_util/bind/ref_neg.cc: Adjust dg-error directives.
* testsuite/20_util/function_objects/mem_fn/55463.cc: Remove tests
using member functions of reference_wrapper.
From-SVN: r229290
* include/std/future (future_error(error_code)): Construct base
class with error_code's message.
* src/c++11/future.cc (future_error::what()): Do not call c_str() on
temporary string.
From-SVN: r221236
* config/abi/pre/gnu.ver: Add new exports.
* include/std/condition_variable (notify_all_at_thread_exit): Declare.
(__at_thread_exit_elt): New base class.
* include/std/future: Add comments documenting the implementation.
(__future_base::_State_baseV2::_State_baseV2()): Use brace-or-equal
initializers and define constructor as defaulted.
(__future_base::_State_baseV2::_M_ready): Replace member function
with member variable.
(__future_base::_State_baseV2::_M_set_result): Set _M_ready.
(__future_base::_State_baseV2::_M_set_delayed_result): Define.
(__future_base::_State_baseV2::_M_break_promise): Set _M_ready.
(__future_base::_State_baseV2::_Make_ready): New helper class.
(__future_base::_Deferred_state::_M_has_deferred): Remove requirement
for caller to own mutex.
(__future_base::_Async_state_impl::~_Async_state_impl): Call join
directly.
(__future_base::_Task_state_base::_M_run): Take arguments by
reference.
(__future_base::_Task_state_base::_M_run_delayed): Declare new pure
virtual function.
(__future_base::_Task_state::_M_run_delayed): Define override.
(promise::set_value_at_thread_exit): Define.
(promise::set_exception_at_thread_exit): Define.
(packaged_task::make_ready_at_thread_exit): Define.
* src/c++11/condition_variable.cc (notify_all_at_thread_exit): Define.
* src/c++11/future.cc
(__future_base::_State_baseV2::_Make_ready::_M_set): Define.
* testsuite/30_threads/condition_variable/members/3.cc: New.
* testsuite/30_threads/packaged_task/members/at_thread_exit.cc: New.
* testsuite/30_threads/promise/members/at_thread_exit.cc: New.
From-SVN: r218255
* include/std/future (_State_baseV2::_M_set_result): Pass pointers to
_M_do_set.
(_State_baseV2::_M_do_set): Change parameters to pointers.
(_State_baseV2::_Setter): Change _M_arg from reference to pointer.
(_State_baseV2::__setter): Initialize _Setter with pointers.
(_State_baseV2::__setter(promise<void>*)): Remove overload.
(promise::set_value, promise::set_exception): Pass setter directly
to _M_set_result.
(_State_baseV2::_Task_setter): Add template parameter for callable
type and replace std::function member with pointer to that type.
Change _M_result member from reference to pointer.
(_State_baseV2::_S_task_setter): Change parameter to lvalue reference
and initialize _Task_setter with pointers.
(__location_invariant): Specialize for _Setter and _Task_setter.
From-SVN: r213737
* include/Makefile.am: Add new header.
* include/Makefile.in: Regenerate.
* include/bits/allocated_ptr.h (__allocated_ptr, __allocate_guarded):
New RAII utilities for working with allocators.
* include/bits/shared_ptr_base.h (_Sp_counted_deleter): Define
__allocator_type typedef and use new __allocated_ptr type.
(_Sp_counted_ptr_inplace): Likewise.
(__shared_count::__shared_count, __shared_ptr::__shared_ptr): Use
__allocate_guarded to to simplify exception handling.
* include/experimental/any (any::_Manager_alloc::_S_alloc): Likewise.
* include/std/future (_Result_alloc::_M_destroy): Likewise.
(_Result_alloc::_S_allocate_result): Likewise.
* testsuite/20_util/shared_ptr/cons/43820_neg.cc: Adjust line number.
* testsuite/20_util/shared_ptr/cons/void_neg.cc: Likewise.
* testsuite/20_util/shared_ptr/creation/no_rtti.cc: New.
* testsuite/20_util/shared_ptr/creation/alloc.cc: Test allocator
with fancy pointer.
* testsuite/30_threads/promise/cons/alloc.cc: Likewise.
From-SVN: r211996
PR libstdc++/60966
* include/std/future (__future_base::_State_baseV2::_M_set_result):
Pass lock into _M_do_set and hold it until the function returns.
Signal condition variable after call_once completes.
(__future_base::_State_baseV2::_M_do_set): Use lock argument. Do not
signal here.
* testsuite/30_threads/promise/60966.cc: New.
From-SVN: r210556
PR libstdc++/60564
* include/std/future (__future_base::_Task_state<>): Change
constructors to template functions using perfect forwarding.
(__create_task_state): Use decayed type as stored task.
(packaged_task::packaged_task(_Fn&&)): Forward instead of moving.
* testsuite/30_threads/packaged_task/60564.cc: New.
From-SVN: r208656
PR libstdc++/49204
* include/std/future (__future_base::_State_base): Rename to
__future_base::_State_baseV2.
(__future_base::_State_baseV2::~_State_baseV2): Define as defaulted.
(__future_base::_State_baseV2::_M_run_deferred): Rename to
_M_complete_async.
(__future_base::_State_baseV2::_M_has_deferred): Add new virtual.
(__future_base::_State_baseV2::wait_for): Call _M_has_deferred() to
test for a deferred function, or call _M_complete_async() to join an
async thread that has made the shared state ready.
(__future_base::_State_baseV2::wait_until): Likewise.
(__future_base::_Async_state_common): Rename to _Async_state_commonV2.
(__future_base::_Async_state_commonV2::_M_run_deferred): Rename to
_M_complete_async.
* src/c++11/compatibility-thread-c++0x.cc (__future_base::_State_base):
Export old definition.
(__future_base::_Async_state_common): Likewise.
* src/c++11/future.cc (__future_base::_State_base::~_State_base):
Remove.
* doc/xml/manual/status_cxx2011.xml: Update status.
* testsuite/30_threads/async/async.cc: Test future_status::timeout
and future_status::ready.
* testsuite/30_threads/async/sync.cc: Test future_status::deferred.
From-SVN: r205144
PR libstdc++/56492
* include/std/future (__future_base::_Result): Add result_type
typedef.
(__future_base::_S_allocate_result): Overload for std::allocator.
(__future_base::_Task_setter): Use _Result::result_type instead of
deducing the type from the task.
(__future_base::_Task_state): Store allocator to allow shared state
to be reset. Replace std::function with member of target object type
accessed via ...
(__future_base::_Task_state_base): New abstract base class.
(__future_base::_Task_state_base::_M_run): New virtual function to
invoke type-erased target object.
(__future_base::_Task_state_base::_M_reset): New virtual function to
create new shared_state using same target object and allocator.
(__future_base::__create_task_state): Allocate a new _Task_state.
(packaged_task::packaged_task): Use __create_task_state.
(packaged_task::reset): Use _Task_state_base::_M_reset.
* testsuite/30_threads/packaged_task/cons/56492.cc: New.
From-SVN: r196695
PR libstdc++/54297
* include/std/future (~_Async_state_impl): Join thread before
derived class members are destroyed.
(~_Async_state_common): Only define non-trivial destructor when
included from future.cc for ABI compatibility reasons.
* src/c++11/future.cc (_GLIBCXX_ABI_COMPAT_ASYNC): Define.
* testsuite/30_threads/async/54297.cc: New.
From-SVN: r190672
Jonathan Wakely