Commit b3eed6fe by Jonathan Wakely Committed by Jonathan Wakely

re PR libstdc++/42201 ([C++0x] std::vector<std::unique_future<T>>::push_back fails)

2010-01-21  Jonathan Wakely  <jwakely.gcc@gmail.com>

        PR libstdc++/42201
	* include/std/future: Update to latest WP.
	* src/functexcept.cc (__throw_future_error): Use make_error_code.
	* testsuite/30_threads/async/any.cc: New.
	* testsuite/30_threads/async/async.cc: New.
	* testsuite/30_threads/async/sync.cc: New.
	* testsuite/30_threads/packaged_task/cons/alloc.cc: New.
	* testsuite/30_threads/packaged_task/cons/assign_neg.cc: Adjust.
	* testsuite/30_threads/packaged_task/cons/copy_neg.cc: Adjust.
	* testsuite/30_threads/packaged_task/members/get_future.cc: Adjust.
	* testsuite/30_threads/packaged_task/members/get_future2.cc: Likewise.
	* testsuite/30_threads/packaged_task/members/invoke.cc: Adjust.
	* testsuite/30_threads/packaged_task/members/invoke2.cc: Adjust.
	* testsuite/30_threads/packaged_task/members/invoke3.cc: Adjust.
	* testsuite/30_threads/packaged_task/members/invoke4.cc: Adjust.
	* testsuite/30_threads/packaged_task/members/reset.cc: Adjust.
	* testsuite/30_threads/packaged_task/members/reset2.cc: Adjust.
	* testsuite/30_threads/shared_future/cons/assign_neg.cc: Remove.
	* testsuite/30_threads/shared_future/cons/default_neg.cc: Remove.
	* testsuite/30_threads/shared_future/cons/default.cc: New.
	* testsuite/30_threads/shared_future/cons/assign.cc: New.
	* testsuite/30_threads/shared_future/cons/copy.cc: Adjust.
	* testsuite/30_threads/shared_future/cons/move.cc: Adjust.
	* testsuite/30_threads/shared_future/cons/move_assign.cc: New.
	* testsuite/30_threads/shared_future/members/is_ready.cc: Remove.
	* testsuite/30_threads/shared_future/members/has_value.cc: Remove.
	* testsuite/30_threads/shared_future/members/has_exception.cc: Remove.
	* testsuite/30_threads/shared_future/members/valid.cc: New.
	* testsuite/30_threads/unique_future/cons/default_neg.cc: Remove.
	* testsuite/30_threads/unique_future/cons/default.cc: New.
	* testsuite/30_threads/unique_future/cons/move_assign.cc: New.
	* testsuite/30_threads/unique_future/cons/assign_neg.cc: Adjust.
	* testsuite/30_threads/unique_future/cons/copy_neg.cc: Adjust.
	* testsuite/30_threads/unique_future/cons/move.cc: Adjust.
	* testsuite/30_threads/unique_future/requirements/
        explicit_instantiation.cc: Adjust.
	* testsuite/30_threads/unique_future/members/is_ready.cc: Remove.
	* testsuite/30_threads/unique_future/members/has_value.cc: Remove.
	* testsuite/30_threads/unique_future/members/has_exception.cc: Remove.
	* testsuite/30_threads/unique_future/members/valid.cc: New.
	* testsuite/30_threads/unique_future/members/get.cc: Adjust.
	* testsuite/30_threads/unique_future/members/get2.cc: Adjust.
	* testsuite/30_threads/unique_future/members/wait.cc: Adjust.
	* testsuite/30_threads/unique_future/members/wait_for.cc: Adjust.
	* testsuite/30_threads/unique_future/members/wait_until.cc: Adjust.
	* testsuite/30_threads/headers/future/types_std_c++0x.cc: Adjust.
	* testsuite/30_threads/promise/cons/alloc.cc: New.
	* testsuite/30_threads/promise/cons/assign_neg.cc: Adjust.
	* testsuite/30_threads/promise/cons/copy_neg.cc: Adjust.
	* testsuite/30_threads/promise/cons/move.cc: Adjust.
	* testsuite/30_threads/promise/cons/move_assign.cc: Adjust.
	* testsuite/30_threads/promise/members/get_future.cc: Adjust.
	* testsuite/30_threads/promise/members/set_value.cc: Adjust.
	* testsuite/30_threads/promise/members/set_exception.cc: Adjust.
	* testsuite/30_threads/promise/members/set_exception2.cc: Adjust.
	* testsuite/30_threads/promise/members/set_value2.cc: Adjust.
	* testsuite/30_threads/promise/members/set_value3.cc: Adjust.
	* testsuite/30_threads/promise/members/swap.cc: Adjust.

From-SVN: r156097
parent 4227d4a1
2010-01-21 Jonathan Wakely <jwakely.gcc@gmail.com>
PR libstdc++/42201
* include/std/future: Update to latest WP.
* src/functexcept.cc (__throw_future_error): Use make_error_code.
* testsuite/30_threads/async/any.cc: New.
* testsuite/30_threads/async/async.cc: New.
* testsuite/30_threads/async/sync.cc: New.
* testsuite/30_threads/packaged_task/cons/alloc.cc: New.
* testsuite/30_threads/packaged_task/cons/assign_neg.cc: Adjust.
* testsuite/30_threads/packaged_task/cons/copy_neg.cc: Adjust.
* testsuite/30_threads/packaged_task/members/get_future.cc: Adjust.
* testsuite/30_threads/packaged_task/members/get_future2.cc: Likewise.
* testsuite/30_threads/packaged_task/members/invoke.cc: Adjust.
* testsuite/30_threads/packaged_task/members/invoke2.cc: Adjust.
* testsuite/30_threads/packaged_task/members/invoke3.cc: Adjust.
* testsuite/30_threads/packaged_task/members/invoke4.cc: Adjust.
* testsuite/30_threads/packaged_task/members/reset.cc: Adjust.
* testsuite/30_threads/packaged_task/members/reset2.cc: Adjust.
* testsuite/30_threads/shared_future/cons/assign_neg.cc: Remove.
* testsuite/30_threads/shared_future/cons/default_neg.cc: Remove.
* testsuite/30_threads/shared_future/cons/default.cc: New.
* testsuite/30_threads/shared_future/cons/assign.cc: New.
* testsuite/30_threads/shared_future/cons/copy.cc: Adjust.
* testsuite/30_threads/shared_future/cons/move.cc: Adjust.
* testsuite/30_threads/shared_future/cons/move_assign.cc: New.
* testsuite/30_threads/shared_future/members/is_ready.cc: Remove.
* testsuite/30_threads/shared_future/members/has_value.cc: Remove.
* testsuite/30_threads/shared_future/members/has_exception.cc: Remove.
* testsuite/30_threads/shared_future/members/valid.cc: New.
* testsuite/30_threads/unique_future/cons/default_neg.cc: Remove.
* testsuite/30_threads/unique_future/cons/default.cc: New.
* testsuite/30_threads/unique_future/cons/move_assign.cc: New.
* testsuite/30_threads/unique_future/cons/assign_neg.cc: Adjust.
* testsuite/30_threads/unique_future/cons/copy_neg.cc: Adjust.
* testsuite/30_threads/unique_future/cons/move.cc: Adjust.
* testsuite/30_threads/unique_future/requirements/
explicit_instantiation.cc: Adjust.
* testsuite/30_threads/unique_future/members/is_ready.cc: Remove.
* testsuite/30_threads/unique_future/members/has_value.cc: Remove.
* testsuite/30_threads/unique_future/members/has_exception.cc: Remove.
* testsuite/30_threads/unique_future/members/valid.cc: New.
* testsuite/30_threads/unique_future/members/get.cc: Adjust.
* testsuite/30_threads/unique_future/members/get2.cc: Adjust.
* testsuite/30_threads/unique_future/members/wait.cc: Adjust.
* testsuite/30_threads/unique_future/members/wait_for.cc: Adjust.
* testsuite/30_threads/unique_future/members/wait_until.cc: Adjust.
* testsuite/30_threads/headers/future/types_std_c++0x.cc: Adjust.
* testsuite/30_threads/promise/cons/alloc.cc: New.
* testsuite/30_threads/promise/cons/assign_neg.cc: Adjust.
* testsuite/30_threads/promise/cons/copy_neg.cc: Adjust.
* testsuite/30_threads/promise/cons/move.cc: Adjust.
* testsuite/30_threads/promise/cons/move_assign.cc: Adjust.
* testsuite/30_threads/promise/members/get_future.cc: Adjust.
* testsuite/30_threads/promise/members/set_value.cc: Adjust.
* testsuite/30_threads/promise/members/set_exception.cc: Adjust.
* testsuite/30_threads/promise/members/set_exception2.cc: Adjust.
* testsuite/30_threads/promise/members/set_value2.cc: Adjust.
* testsuite/30_threads/promise/members/set_value3.cc: Adjust.
* testsuite/30_threads/promise/members/swap.cc: Adjust.
2010-01-20 Janis Johnson <janis187@us.ibm.com>
Paolo Carlini <paolo.carlini@oracle.com>
......
......@@ -38,6 +38,7 @@
#include <functional>
#include <memory>
#include <mutex>
#include <thread>
#include <condition_variable>
#include <system_error>
#include <exception>
......@@ -56,10 +57,13 @@ namespace std
/// Error code for futures
enum class future_errc
{ broken_promise, future_already_retrieved, promise_already_satisfied };
{
broken_promise,
future_already_retrieved,
promise_already_satisfied,
no_state
};
// TODO: requires concepts
// concept_map ErrorCodeEnum<future_errc> { }
template<>
struct is_error_code_enum<future_errc> : public true_type { };
......@@ -83,8 +87,8 @@ namespace std
error_code _M_code;
public:
explicit future_error(future_errc __ec)
: logic_error("std::future_error"), _M_code(make_error_code(__ec))
explicit future_error(error_code __ec)
: logic_error("std::future_error"), _M_code(__ec)
{ }
virtual ~future_error() throw();
......@@ -98,17 +102,30 @@ namespace std
// Forward declarations.
template<typename _Res>
class unique_future;
class future;
template<typename _Res>
class shared_future;
template<typename>
template<typename _Res>
class atomic_future;
template<typename _Signature>
class packaged_task;
template<typename _Res>
class promise;
enum class launch { any, async, sync };
template<typename _Fn, typename... _Args>
future<typename _Fn::result_type>
async(launch __policy, _Fn&& __fn, _Args&&... __args);
template<typename _Fn, typename... _Args>
future<typename _Fn::result_type>
async(_Fn&& __fn, _Args&&... __args);
#if defined(_GLIBCXX_HAS_GTHREADS) && defined(_GLIBCXX_USE_C99_STDINT_TR1) \
&& defined(_GLIBCXX_ATOMIC_BUILTINS_4)
......@@ -124,9 +141,7 @@ namespace std
_Result_base(const _Result_base&) = delete;
_Result_base& operator=(const _Result_base&) = delete;
// _M_destroy() allows derived classes to control deallocation,
// which will be needed when allocator support is added to promise.
// See http://gcc.gnu.org/ml/libstdc++/2009-06/msg00032.html
// _M_destroy() allows derived classes to control deallocation
virtual void _M_destroy() = 0;
struct _Deleter
......@@ -183,7 +198,6 @@ namespace std
void* _M_addr() { return static_cast<void*>(&_M_storage); }
};
// TODO: use template alias when available
/*
template<typename _Res>
......@@ -196,6 +210,50 @@ namespace std
typedef unique_ptr<_Res, _Result_base::_Deleter> type;
};
// TODO: use when allocator_arg_t available
/*
/// Result_alloc.
template<typename _Res, typename _Alloc>
struct _Result_alloc : _Result<_Res>
{
typedef typename _Alloc::template rebind<_Result_alloc>::other
__allocator_type;
explicit
_Result_alloc(const _Alloc& __a) : _Result<_Res>(), _M_alloc(__a)
{ }
private:
void _M_destroy()
{
__allocator_type __a(_M_alloc);
__a.destroy(this);
__a.deallocate(this, 1);
}
__allocator_type _M_alloc;
};
template<typename _Res, typename _Allocator>
static typename _Ptr<_Result_alloc<_Res, _Allocator>>::type
_S_allocate_result(const _Allocator& __a)
{
typedef _Result_alloc<_Res, _Allocator> __result_type;
typename __result_type::__allocator_type __a2(__a);
__result_type* __p = __a2.allocate(1);
__try
{
__a2.construct(__p, __a);
}
__catch(...)
{
__a2.deallocate(__p, 1);
__throw_exception_again;
}
return typename _Ptr<__result_type>::type(__p);
}
*/
/// Shared state between a promise and one or more associated futures.
class _State
......@@ -206,6 +264,7 @@ namespace std
mutex _M_mutex;
condition_variable _M_cond;
atomic_flag _M_retrieved;
once_flag _M_once;
public:
_State() : _M_result(), _M_retrieved(ATOMIC_FLAG_INIT) { }
......@@ -213,30 +272,13 @@ namespace std
_State(const _State&) = delete;
_State& operator=(const _State&) = delete;
bool
is_ready()
{ return _M_get() != 0; }
bool
has_exception()
{
_Result_base* const __res = _M_get();
return __res && !(__res->_M_error == 0);
}
bool
has_value()
{
_Result_base* const __res = _M_get();
return __res && (__res->_M_error == 0);
}
_Result_base&
wait()
{
_M_run_deferred();
unique_lock<mutex> __lock(_M_mutex);
if (!_M_ready())
_M_cond.wait(__lock, std::bind(&_State::_M_ready, this));
_M_cond.wait(__lock, std::bind<bool>(&_State::_M_ready, this));
return *_M_result;
}
......@@ -245,7 +287,7 @@ namespace std
wait_for(const chrono::duration<_Rep, _Period>& __rel)
{
unique_lock<mutex> __lock(_M_mutex);
auto __bound = std::bind(&_State::_M_ready, this);
auto __bound = std::bind<bool>(&_State::_M_ready, this);
return _M_ready() || _M_cond.wait_for(__lock, __rel, __bound);
}
......@@ -254,20 +296,20 @@ namespace std
wait_until(const chrono::time_point<_Clock, _Duration>& __abs)
{
unique_lock<mutex> __lock(_M_mutex);
auto __bound = std::bind(&_State::_M_ready, this);
auto __bound = std::bind<bool>(&_State::_M_ready, this);
return _M_ready() || _M_cond.wait_until(__lock, __abs, __bound);
}
void
_M_set_result(_Ptr_type __res)
_M_set_result(function<_Ptr_type()> __res, bool __ignore_failure = false)
{
{
lock_guard<mutex> __lock(_M_mutex);
if (_M_ready())
__throw_future_error(int(future_errc::promise_already_satisfied));
_M_result.swap(__res);
}
_M_cond.notify_all();
bool __set = __ignore_failure;
// all calls to this function are serialized,
// side-effects of invoking __res only happen once
call_once(_M_once, mem_fn(&_State::_M_do_set), this, ref(__res),
ref(__set));
if (!__set)
__throw_future_error(int(future_errc::promise_already_satisfied));
}
void
......@@ -275,7 +317,7 @@ namespace std
{
if (static_cast<bool>(__res))
{
future_errc __ec(future_errc::broken_promise); // XXX
error_code __ec(make_error_code(future_errc::broken_promise));
__res->_M_error = copy_exception(future_error(__ec));
{
lock_guard<mutex> __lock(_M_mutex);
......@@ -285,7 +327,7 @@ namespace std
}
}
// Called when this object is passed to a unique_future.
// Called when this object is passed to a future.
void
_M_set_retrieved_flag()
{
......@@ -293,16 +335,114 @@ namespace std
__throw_future_error(int(future_errc::future_already_retrieved));
}
template<typename _Res, typename _Arg>
struct _Setter;
// set lvalues
template<typename _Res, typename _Arg>
struct _Setter<_Res, _Arg&>
{
// check this is only used by promise<R>::set_value(const R&)
// or promise<R>::set_value(R&)
static_assert(is_same<_Res, _Arg&>::value // promise<R&>
|| is_same<const _Res, _Arg>::value, // promise<R>
"Invalid specialisation");
typename promise<_Res>::_Ptr_type operator()()
{
_State::_S_check(_M_promise->_M_future);
_M_promise->_M_storage->_M_set(_M_arg);
return std::move(_M_promise->_M_storage);
}
promise<_Res>* _M_promise;
_Arg& _M_arg;
};
// set rvalues
template<typename _Res>
struct _Setter<_Res, _Res&&>
{
typename promise<_Res>::_Ptr_type operator()()
{
_State::_S_check(_M_promise->_M_future);
_M_promise->_M_storage->_M_set(std::move(_M_arg));
return std::move(_M_promise->_M_storage);
}
promise<_Res>* _M_promise;
_Res& _M_arg;
};
struct __exception_ptr_tag { };
// set exceptions
template<typename _Res>
struct _Setter<_Res, __exception_ptr_tag>
{
typename promise<_Res>::_Ptr_type operator()()
{
_State::_S_check(_M_promise->_M_future);
_M_promise->_M_storage->_M_error = _M_ex;
return std::move(_M_promise->_M_storage);
}
promise<_Res>* _M_promise;
exception_ptr& _M_ex;
};
template<typename _Res, typename _Arg>
static _Setter<_Res, _Arg&&>
__setter(promise<_Res>* __prom, _Arg&& __arg)
{
return _Setter<_Res, _Arg&&>{ __prom, __arg };
}
template<typename _Res>
static _Setter<_Res, __exception_ptr_tag>
__setter(exception_ptr& __ex, promise<_Res>* __prom)
{
return _Setter<_Res, __exception_ptr_tag>{ __prom, __ex };
}
static _Setter<void, void>
__setter(promise<void>* __prom);
template<typename _Tp>
static bool
_S_check(const shared_ptr<_Tp>& __p)
{
if (!static_cast<bool>(__p))
__throw_future_error((int)future_errc::no_state);
}
private:
_Result_base*
_M_get()
void
_M_do_set(function<_Ptr_type()>& __f, bool& __set)
{
lock_guard<mutex> __lock(_M_mutex);
return _M_result.get();
_Ptr_type __res = __f();
{
lock_guard<mutex> __lock(_M_mutex);
_M_result.swap(__res);
}
_M_cond.notify_all();
__set = true;
}
bool _M_ready() const { return static_cast<bool>(_M_result); }
virtual void _M_run_deferred() { }
};
template<typename _Res>
class _Deferred_state;
template<typename _Res>
class _Async_state;
template<typename _Signature>
class _Task_state;
template<typename _StateT, typename _Res = typename _StateT::_Res_type>
struct _Task_setter;
};
inline __future_base::_Result_base::~_Result_base() = default;
......@@ -313,9 +453,13 @@ namespace std
{
_Result() : _M_value_ptr() { }
void _M_set(_Res& __res) { _M_value_ptr = &__res; }
_Res& _M_get() { return *_M_value_ptr; }
private:
_Res* _M_value_ptr;
private:
void _M_destroy() { delete this; }
};
......@@ -328,7 +472,7 @@ namespace std
};
/// Common implementation for unique_future and shared_future.
/// Common implementation for future and shared_future.
template<typename _Res>
class __basic_future : public __future_base
{
......@@ -344,134 +488,190 @@ namespace std
__basic_future(const __basic_future&) = delete;
__basic_future& operator=(const __basic_future&) = delete;
// Functions to check state and wait for ready.
bool
is_ready() const { return this->_M_state->is_ready(); }
bool
has_exception() const { return this->_M_state->has_exception(); }
bool
has_value() const { return this->_M_state->has_value(); }
valid() const { return static_cast<bool>(_M_state); }
void
wait() const { this->_M_state->wait(); }
wait() const { _M_state->wait(); }
template<typename _Rep, typename _Period>
bool
wait_for(const chrono::duration<_Rep, _Period>& __rel) const
{ return this->_M_state->wait_for(__rel); }
{ return _M_state->wait_for(__rel); }
template<typename _Clock, typename _Duration>
bool
wait_until(const chrono::time_point<_Clock, _Duration>& __abs) const
{ return this->_M_state->wait_until(__abs); }
{ return _M_state->wait_until(__abs); }
protected:
/// Wait for the state to be ready and rethrow any stored exception
__result_type
_M_get_result()
{
_Result_base& __res = this->_M_state->wait();
_Result_base& __res = _M_state->wait();
if (!(__res._M_error == 0))
rethrow_exception(__res._M_error);
return static_cast<__result_type>(__res);
}
// Construction of a unique_future by promise::get_future()
void _M_swap(__basic_future& __that)
{
_M_state.swap(__that._M_state);
}
// Construction of a future by promise::get_future()
explicit
__basic_future(const __state_type& __state) : _M_state(__state)
{
if (static_cast<bool>(this->_M_state))
this->_M_state->_M_set_retrieved_flag();
else
__throw_future_error(int(future_errc::future_already_retrieved));
_State::_S_check(_M_state);
_M_state->_M_set_retrieved_flag();
}
// Copy construction from a shared_future
explicit
__basic_future(const shared_future<_Res>&);
// Move construction from a unique_future
// Move construction from a shared_future
explicit
__basic_future(unique_future<_Res>&&);
__basic_future(shared_future<_Res>&&);
// Move construction from a future
explicit
__basic_future(future<_Res>&&);
__basic_future() { }
struct _Reset
{
explicit _Reset(__basic_future& __fut) : _M_fut(__fut) { }
~_Reset() { _M_fut._M_state.reset(); }
__basic_future& _M_fut;
};
};
/// Primary template for unique_future.
/// Primary template for future.
template<typename _Res>
class unique_future : public __basic_future<_Res>
class future : public __basic_future<_Res>
{
friend class promise<_Res>;
template<typename> friend class packaged_task;
template<typename _Fn, typename... _Args>
friend future<typename _Fn::result_type>
async(launch, _Fn&&, _Args&&...);
typedef __basic_future<_Res> _Base_type;
typedef typename _Base_type::__state_type __state_type;
explicit
unique_future(const __state_type& __state) : _Base_type(__state) { }
future(const __state_type& __state) : _Base_type(__state) { }
public:
future() : _Base_type() { }
/// Move constructor
unique_future(unique_future&& __uf) : _Base_type(std::move(__uf)) { }
future(future&& __uf) : _Base_type(std::move(__uf)) { }
// Disable copying
unique_future(const unique_future&) = delete;
unique_future& operator=(const unique_future&) = delete;
future(const future&) = delete;
future& operator=(const future&) = delete;
future& operator=(future&& __fut)
{
future(std::move(__fut))._M_swap(*this);
return *this;
}
/// Retrieving the value
_Res&&
_Res
get()
{ return std::move(this->_M_get_result()._M_value()); }
{
typename _Base_type::_Reset __reset(*this);
return std::move(this->_M_get_result()._M_value());
}
};
/// Partial specialization for unique_future<R&>
/// Partial specialization for future<R&>
template<typename _Res>
class unique_future<_Res&> : public __basic_future<_Res&>
class future<_Res&> : public __basic_future<_Res&>
{
friend class promise<_Res&>;
template<typename> friend class packaged_task;
template<typename _Fn, typename... _Args>
friend future<typename _Fn::result_type>
async(launch, _Fn&&, _Args&&...);
typedef __basic_future<_Res&> _Base_type;
typedef typename _Base_type::__state_type __state_type;
explicit
unique_future(const __state_type& __state) : _Base_type(__state) { }
future(const __state_type& __state) : _Base_type(__state) { }
public:
future() : _Base_type() { }
/// Move constructor
unique_future(unique_future&& __uf) : _Base_type(std::move(__uf)) { }
future(future&& __uf) : _Base_type(std::move(__uf)) { }
// Disable copying
unique_future(const unique_future&) = delete;
unique_future& operator=(const unique_future&) = delete;
future(const future&) = delete;
future& operator=(const future&) = delete;
future& operator=(future&& __fut)
{
future(std::move(__fut))._M_swap(*this);
return *this;
}
/// Retrieving the value
_Res&
get() { return *this->_M_get_result()._M_value_ptr; }
get()
{
typename _Base_type::_Reset __reset(*this);
return this->_M_get_result()._M_get();
}
};
/// Explicit specialization for unique_future<void>
/// Explicit specialization for future<void>
template<>
class unique_future<void> : public __basic_future<void>
class future<void> : public __basic_future<void>
{
friend class promise<void>;
template<typename> friend class packaged_task;
template<typename _Fn, typename... _Args>
friend future<typename _Fn::result_type>
async(launch, _Fn&&, _Args&&...);
typedef __basic_future<void> _Base_type;
typedef typename _Base_type::__state_type __state_type;
explicit
unique_future(const __state_type& __state) : _Base_type(__state) { }
future(const __state_type& __state) : _Base_type(__state) { }
public:
future() : _Base_type() { }
/// Move constructor
unique_future(unique_future&& __uf) : _Base_type(std::move(__uf)) { }
future(future&& __uf) : _Base_type(std::move(__uf)) { }
// Disable copying
unique_future(const unique_future&) = delete;
unique_future& operator=(const unique_future&) = delete;
future(const future&) = delete;
future& operator=(const future&) = delete;
future& operator=(future&& __fut)
{
future(std::move(__fut))._M_swap(*this);
return *this;
}
/// Retrieving the value
void
get() { this->_M_get_result(); }
get()
{
typename _Base_type::_Reset __reset(*this);
this->_M_get_result();
}
};
......@@ -482,20 +682,37 @@ namespace std
typedef __basic_future<_Res> _Base_type;
public:
shared_future() : _Base_type() { }
/// Copy constructor
shared_future(const shared_future& __sf) : _Base_type(__sf) { }
/// Construct from a unique_future rvalue
shared_future(unique_future<_Res>&& __uf)
/// Construct from a future rvalue
shared_future(future<_Res>&& __uf)
: _Base_type(std::move(__uf))
{ }
shared_future& operator=(const shared_future&) = delete;
/// Construct from a shared_future rvalue
shared_future(shared_future&& __sf)
: _Base_type(std::move(__sf))
{ }
shared_future& operator=(const shared_future& __sf)
{
shared_future(__sf)._M_swap(*this);
return *this;
}
shared_future& operator=(shared_future&& __sf)
{
shared_future(std::move(__sf))._M_swap(*this);
return *this;
}
/// Retrieving the value
const _Res&
get()
{
{
typename _Base_type::__result_type __r = this->_M_get_result();
_Res& __rs(__r._M_value());
return __rs;
......@@ -509,19 +726,36 @@ namespace std
typedef __basic_future<_Res&> _Base_type;
public:
shared_future() : _Base_type() { }
/// Copy constructor
shared_future(const shared_future& __sf) : _Base_type(__sf) { }
/// Construct from a unique_future rvalue
shared_future(unique_future<_Res&>&& __uf)
/// Construct from a future rvalue
shared_future(future<_Res&>&& __uf)
: _Base_type(std::move(__uf))
{ }
shared_future& operator=(const shared_future&) = delete;
/// Construct from a shared_future rvalue
shared_future(shared_future&& __sf)
: _Base_type(std::move(__sf))
{ }
shared_future& operator=(const shared_future& __sf)
{
shared_future(__sf)._M_swap(*this);
return *this;
}
shared_future& operator=(shared_future&& __sf)
{
shared_future(std::move(__sf))._M_swap(*this);
return *this;
}
/// Retrieving the value
_Res&
get() { return *this->_M_get_result()._M_value_ptr; }
get() { return this->_M_get_result()._M_get(); }
};
/// Explicit specialization for shared_future<void>
......@@ -531,15 +765,32 @@ namespace std
typedef __basic_future<void> _Base_type;
public:
shared_future() : _Base_type() { }
/// Copy constructor
shared_future(const shared_future& __sf) : _Base_type(__sf) { }
/// Construct from a unique_future rvalue
shared_future(unique_future<void>&& __uf)
/// Construct from a future rvalue
shared_future(future<void>&& __uf)
: _Base_type(std::move(__uf))
{ }
shared_future& operator=(const shared_future&) = delete;
/// Construct from a shared_future rvalue
shared_future(shared_future&& __sf)
: _Base_type(std::move(__sf))
{ }
shared_future& operator=(const shared_future& __sf)
{
shared_future(__sf)._M_swap(*this);
return *this;
}
shared_future& operator=(shared_future&& __sf)
{
shared_future(std::move(__sf))._M_swap(*this);
return *this;
}
// Retrieving the value
void
......@@ -553,7 +804,12 @@ namespace std
{ }
template<typename _Res>
__basic_future<_Res>::__basic_future(unique_future<_Res>&& __uf)
__basic_future<_Res>::__basic_future(shared_future<_Res>&& __sf)
: _M_state(std::move(__sf._M_state))
{ }
template<typename _Res>
__basic_future<_Res>::__basic_future(future<_Res>&& __uf)
: _M_state(std::move(__uf._M_state))
{ }
......@@ -562,17 +818,17 @@ namespace std
template<typename _Res>
class promise
{
template<typename> friend class packaged_task;
typedef __future_base::_State _State;
typedef __future_base::_Result<_Res> result_type;
typedef __future_base::_Result<_Res> _Res_type;
typedef typename __future_base::_Ptr<_Res_type>::type _Ptr_type;
template<typename, typename> friend class _State::_Setter;
shared_ptr<_State> _M_future;
typename __future_base::_Ptr<result_type>::type _M_storage;
_Ptr_type _M_storage;
public:
promise()
: _M_future(std::make_shared<_State>()), _M_storage(new result_type())
: _M_future(std::make_shared<_State>()), _M_storage(new _Res_type())
{ }
promise(promise&& __rhs)
......@@ -580,14 +836,14 @@ namespace std
_M_storage(std::move(__rhs._M_storage))
{ }
// TODO: requires allocator concepts
// TODO: needs allocator_arg_t
/*
template<typename _Allocator>
promise(allocator_arg_t, const _Allocator& __a);
template<typename _Allocator>
promise(allocator_arg_t, const _Allocator&, promise&& __rhs);
*/
promise(allocator_arg_t, const _Allocator& __a)
: _M_future(std::allocate_shared<_State>(__a)),
_M_storage(__future_base::_S_allocate_result<_Res>(__a))
{ }
*/
promise(const promise&) = delete;
......@@ -615,54 +871,48 @@ namespace std
}
// Retrieving the result
unique_future<_Res>
future<_Res>
get_future()
{ return unique_future<_Res>(_M_future); }
{ return future<_Res>(_M_future); }
// Setting the result
void
set_value(const _Res& __r)
{
if (!_M_satisfied())
_M_storage->_M_set(__r);
_M_future->_M_set_result(std::move(_M_storage));
auto __setter = _State::__setter(this, __r);
_M_future->_M_set_result(std::move(__setter));
}
void
set_value(_Res&& __r)
{
if (!_M_satisfied())
_M_storage->_M_set(std::move(__r));
_M_future->_M_set_result(std::move(_M_storage));
auto __setter = _State::__setter(this, std::move(__r));
_M_future->_M_set_result(std::move(__setter));
}
void
set_exception(exception_ptr __p)
{
if (!_M_satisfied())
_M_storage->_M_error = __p;
_M_future->_M_set_result(std::move(_M_storage));
auto __setter = _State::__setter(__p, this);
_M_future->_M_set_result(std::move(__setter));
}
private:
bool _M_satisfied() { return !static_cast<bool>(_M_storage); }
};
/// Partial specialization for promise<R&>
template<typename _Res>
class promise<_Res&>
{
template<typename> friend class packaged_task;
typedef __future_base::_State _State;
typedef __future_base::_Result<_Res&> result_type;
typedef __future_base::_Result<_Res&> _Res_type;
typedef typename __future_base::_Ptr<_Res_type>::type _Ptr_type;
template<typename, typename> friend class _State::_Setter;
shared_ptr<_State> _M_future;
typename __future_base::_Ptr<result_type>::type _M_storage;
_Ptr_type _M_storage;
public:
promise()
: _M_future(std::make_shared<_State>()), _M_storage(new result_type())
: _M_future(std::make_shared<_State>()), _M_storage(new _Res_type())
{ }
promise(promise&& __rhs)
......@@ -670,14 +920,14 @@ namespace std
_M_storage(std::move(__rhs._M_storage))
{ }
// TODO: requires allocator concepts
// TODO: needs allocator_arg_t
/*
template<typename _Allocator>
promise(allocator_arg_t, const _Allocator& __a);
template<typename _Allocator>
promise(allocator_arg_t, const _Allocator&, promise&& __rhs);
*/
promise(allocator_arg_t, const _Allocator& __a)
: _M_future(std::allocate_shared<_State>(__a)),
_M_storage(__future_base::_S_allocate_result<_Res&>(__a))
{ }
*/
promise(const promise&) = delete;
......@@ -705,46 +955,42 @@ namespace std
}
// Retrieving the result
unique_future<_Res&>
future<_Res&>
get_future()
{ return unique_future<_Res&>(_M_future); }
{ return future<_Res&>(_M_future); }
// Setting the result
void
set_value(_Res& __r)
{
if (!_M_satisfied())
_M_storage->_M_value_ptr = &__r;
_M_future->_M_set_result(std::move(_M_storage));
auto __setter = _State::__setter(this, __r);
_M_future->_M_set_result(std::move(__setter));
}
void
set_exception(exception_ptr __p)
{
if (!_M_satisfied())
_M_storage->_M_error = __p;
_M_future->_M_set_result(std::move(_M_storage));
auto __setter = _State::__setter(__p, this);
_M_future->_M_set_result(std::move(__setter));
}
private:
bool _M_satisfied() { return !static_cast<bool>(_M_storage); }
};
/// Explicit specialization for promise<void>
template<>
class promise<void>
{
template<typename> friend class packaged_task;
typedef __future_base::_State _State;
typedef __future_base::_Result<void> result_type;
typedef __future_base::_Result<void> _Res_type;
typedef typename __future_base::_Ptr<_Res_type>::type _Ptr_type;
template<typename, typename> friend class _State::_Setter;
shared_ptr<__future_base::_State> _M_future;
typename __future_base::_Ptr<result_type>::type _M_storage;
shared_ptr<_State> _M_future;
_Ptr_type _M_storage;
public:
promise()
: _M_future(std::make_shared<_State>()),
_M_storage(new result_type())
_M_storage(new _Res_type())
{ }
promise(promise&& __rhs)
......@@ -752,14 +998,15 @@ namespace std
_M_storage(std::move(__rhs._M_storage))
{ }
// TODO: requires allocator concepts
/*
template<typename _Allocator>
promise(allocator_arg_t, const _Allocator& __a);
// TODO: needs allocator_arg_t
/*
template<typename _Allocator>
promise(allocator_arg_t, const _Allocator&, promise&& __rhs);
*/
promise(allocator_arg_t, const _Allocator& __a)
: _M_future(std::allocate_shared<_State>(__a)),
_M_storage(__future_base::_S_allocate_result<void>(__a))
{ }
*/
promise(const promise&) = delete;
......@@ -787,69 +1034,137 @@ namespace std
}
// Retrieving the result
unique_future<void>
future<void>
get_future()
{ return unique_future<void>(_M_future); }
{ return future<void>(_M_future); }
// Setting the result
void set_value();
void
set_value()
set_exception(exception_ptr __p)
{
_M_future->_M_set_result(std::move(_M_storage));
auto __setter = _State::__setter(__p, this);
_M_future->_M_set_result(std::move(__setter));
}
};
void
set_exception(exception_ptr __p)
// set void
template<>
struct __future_base::_State::_Setter<void, void>
{
promise<void>::_Ptr_type operator()()
{
if (!_M_satisfied())
_M_storage->_M_error = __p;
_M_future->_M_set_result(std::move(_M_storage));
_State::_S_check(_M_promise->_M_future);
return std::move(_M_promise->_M_storage);
}
private:
bool _M_satisfied() { return !static_cast<bool>(_M_storage); }
promise<void>* _M_promise;
};
// TODO: requires allocator concepts
inline __future_base::_State::_Setter<void, void>
__future_base::_State::__setter(promise<void>* __prom)
{
return _Setter<void, void>{ __prom };
}
inline void
promise<void>::set_value()
{
auto __setter = _State::__setter(this);
_M_future->_M_set_result(std::move(__setter));
}
// TODO: needs allocators
/*
template<typename _Res, class Alloc>
concept_map UsesAllocator<promise<_Res>, Alloc>
{
typedef Alloc allocator_type;
}
*/
/// Primary template.
template<typename _Res, typename... _ArgTypes>
struct _Run_task
struct uses_allocator<promise<_Res>, Alloc> : true_type { };
*/
template<typename _StateT, typename _Res>
struct __future_base::_Task_setter
{
static void
_S_run(promise<_Res>& __p, function<_Res(_ArgTypes...)>& __f,
_ArgTypes... __args)
typename _StateT::_Ptr_type operator()()
{
__p.set_value(__f(std::forward<_ArgTypes>(__args)...));
__try {
_M_state->_M_result->_M_set(_M_fn());
} __catch(...) {
_M_state->_M_result->_M_error = current_exception();
}
return std::move(_M_state->_M_result);
}
_StateT* _M_state;
std::function<_Res()> _M_fn;
};
/// Specialization used by packaged_task<void(...)>
template<typename... _ArgTypes>
struct _Run_task<void, _ArgTypes...>
template<typename _StateT>
struct __future_base::_Task_setter<_StateT, void>
{
static void
_S_run(promise<void>& __p, function<void(_ArgTypes...)>& __f,
_ArgTypes... __args)
typename _StateT::_Ptr_type operator()()
{
__f(std::forward<_ArgTypes>(__args)...);
__p.set_value();
__try {
_M_fn();
} __catch(...) {
_M_state->_M_result->_M_error = current_exception();
}
return std::move(_M_state->_M_result);
}
_StateT* _M_state;
std::function<void()> _M_fn;
};
template<typename _Res, typename... _Args>
struct __future_base::_Task_state<_Res(_Args...)> : __future_base::_State
{
typedef _Res _Res_type;
_Task_state(std::function<_Res(_Args...)> __task)
: _M_result(new _Result<_Res>()), _M_task(std::move(__task))
{ }
// TODO: needs allocator_arg_t
/*
template<typename _Func, typename _Alloc>
_Task_state(_Func&& __task, const _Alloc& __a)
: _M_result(_S_allocate_result<_Res>(__a))
, _M_task(allocator_arg, __a, std::move(__task))
{ }
*/
void
_M_run(_Args... __args)
{
// bound arguments decay so wrap lvalue references
auto __bound = std::bind<_Res>(_M_task,
_S_maybe_wrap_ref(std::forward<_Args>(__args))...);
_Task_setter<_Task_state> __setter{ this, std::move(__bound) };
_M_set_result(std::move(__setter));
}
template<typename, typename> friend class _Task_setter;
typedef typename __future_base::_Ptr<_Result<_Res>>::type _Ptr_type;
_Ptr_type _M_result;
std::function<_Res(_Args...)> _M_task;
template<typename _Tp>
static reference_wrapper<_Tp>
_S_maybe_wrap_ref(_Tp& __t)
{ return std::ref(__t); }
template<typename _Tp>
static typename enable_if<!is_lvalue_reference<_Tp>::value,
_Tp>::type&&
_S_maybe_wrap_ref(_Tp&& __t)
{ return std::forward<_Tp>(__t); }
};
/// packaged_task
template<typename _Res, typename... _ArgTypes>
class packaged_task<_Res(_ArgTypes...)>
{
function<_Res(_ArgTypes...)> _M_task;
promise<_Res> _M_promise;
typedef __future_base::_Task_state<_Res(_ArgTypes...)> _State_type;
shared_ptr<_State_type> _M_state;
public:
typedef _Res result_type;
......@@ -859,31 +1174,35 @@ namespace std
template<typename _Fn>
explicit
packaged_task(const _Fn& __fn) : _M_task(__fn) { }
packaged_task(const _Fn& __fn)
: _M_state(std::make_shared<_State_type>(__fn))
{ }
template<typename _Fn>
explicit
packaged_task(_Fn&& __fn) : _M_task(std::move(__fn)) { }
packaged_task(_Fn&& __fn)
: _M_state(std::make_shared<_State_type>(std::move(__fn)))
{ }
explicit
packaged_task(_Res(*__fn)(_ArgTypes...)) : _M_task(__fn) { }
packaged_task(_Res(*__fn)(_ArgTypes...))
: _M_state(std::make_shared<_State_type>(__fn))
{ }
// TODO: requires allocator concepts
// TODO: needs allocator_arg_t
/*
template<typename _Fn, typename _Allocator>
explicit
packaged_task(allocator_arg_t __tag, const _Allocator& __a, _Fn __fn)
: _M_task(__tag, __a, __fn), _M_promise(__tag, __a)
{ }
template<typename _Fn, typename _Allocator>
explicit
packaged_task(allocator_arg_t __tag, const _Allocator& __a, _Fn&& __fn)
: _M_task(__tag, __a, std::move(__fn)), _M_promise(__tag, __a)
: _M_state(std::allocate_shared<_State_type>(__a, std::move(__fn)))
{ }
*/
*/
~packaged_task() = default;
~packaged_task()
{
if (static_cast<bool>(_M_state) && !_M_state.unique())
_M_state->_M_break_promise(std::move(_M_state->_M_result));
}
// No copy
packaged_task(packaged_task&) = delete;
......@@ -901,50 +1220,114 @@ namespace std
void
swap(packaged_task& __other)
{
_M_task.swap(__other._M_task);
_M_promise.swap(__other._M_promise);
}
{ _M_state.swap(__other._M_state); }
explicit operator bool() const { return static_cast<bool>(_M_task); }
explicit operator bool() const { return static_cast<bool>(_M_state); }
// Result retrieval
unique_future<_Res>
future<_Res>
get_future()
{
__try
{
return _M_promise.get_future();
}
__catch (const future_error& __e)
{
if (__e.code() == future_errc::future_already_retrieved)
__throw_bad_function_call();
__throw_exception_again;
}
}
{ return future<_Res>(_M_state); }
// Execution
void
operator()(_ArgTypes... __args)
{
if (!static_cast<bool>(_M_task) || _M_promise._M_satisfied())
__throw_bad_function_call();
__future_base::_State::_S_check(_M_state);
_M_state->_M_run(std::forward<_ArgTypes>(__args)...);
}
__try
{
_Run_task<_Res, _ArgTypes...>::_S_run(_M_promise, _M_task,
std::forward<_ArgTypes>(__args)...);
}
__catch (...)
{
_M_promise.set_exception(current_exception());
}
void
reset()
{
__future_base::_State::_S_check(_M_state);
packaged_task(std::move(_M_state->_M_task)).swap(*this);
}
};
template<typename _Res>
class __future_base::_Deferred_state : public __future_base::_State
{
public:
typedef _Res _Res_type;
explicit
_Deferred_state(std::function<_Res()>&& __fn)
: _M_result(new _Result<_Res>()), _M_fn(std::move(__fn))
{ }
private:
template<typename, typename> friend class _Task_setter;
typedef typename __future_base::_Ptr<_Result<_Res>>::type _Ptr_type;
_Ptr_type _M_result;
std::function<_Res()> _M_fn;
virtual void
_M_run_deferred()
{
_Task_setter<_Deferred_state> __setter{ this, _M_fn };
// safe to call multiple times so ignore failure
_M_set_result(std::move(__setter), true);
}
};
template<typename _Res>
class __future_base::_Async_state : public __future_base::_State
{
public:
typedef _Res _Res_type;
explicit
_Async_state(std::function<_Res()>&& __fn)
: _M_result(new _Result<_Res>()), _M_fn(std::move(__fn)),
_M_thread(mem_fn(&_Async_state::_M_do_run), this)
{ }
~_Async_state() { _M_thread.join(); }
private:
void _M_do_run()
{
_Task_setter<_Async_state> __setter{ this, std::move(_M_fn) };
_M_set_result(std::move(__setter));
}
void reset() { promise<_Res>().swap(_M_promise); }
template<typename, typename> friend class _Task_setter;
typedef typename __future_base::_Ptr<_Result<_Res>>::type _Ptr_type;
_Ptr_type _M_result;
std::function<_Res()> _M_fn;
thread _M_thread;
};
template<typename _Fn, typename... _Args>
future<typename _Fn::result_type>
async(launch __policy, _Fn&& __fn, _Args&&... __args)
{
typedef typename _Fn::result_type result_type;
std::shared_ptr<__future_base::_State> __state;
if (__policy == launch::async)
{
typedef typename __future_base::_Async_state<result_type> _State;
__state = std::make_shared<_State>(std::bind<result_type>(
std::forward<_Fn>(__fn), std::forward<_Args>(__args)...));
}
else
{
typedef typename __future_base::_Deferred_state<result_type> _State;
__state = std::make_shared<_State>(std::bind<result_type>(
std::forward<_Fn>(__fn), std::forward<_Args>(__args)...));
}
return future<result_type>(__state);
}
template<typename _Fn, typename... _Args>
future<typename _Fn::result_type>
async(_Fn&& __fn, _Args&&... __args)
{
return async(launch::any, std::forward<_Fn>(__fn),
std::forward<_Args>(__args)...);
}
#endif // _GLIBCXX_HAS_GTHREADS && _GLIBCXX_USE_C99_STDINT_TR1
// && _GLIBCXX_ATOMIC_BUILTINS_4
......
......@@ -103,7 +103,7 @@ _GLIBCXX_BEGIN_NAMESPACE(std)
void
__throw_future_error(int __i)
{ throw future_error(future_errc(__i)); }
{ throw future_error(make_error_code(future_errc(__i))); }
void
__throw_bad_function_call()
......
......@@ -6,7 +6,7 @@
// { dg-require-gthreads "" }
// { dg-require-atomic-builtins "" }
// Copyright (C) 2009 Free Software Foundation, Inc.
// Copyright (C) 2010 Free Software Foundation, Inc.
//
// This file is part of the GNU ISO C++ Library. This library is free
// software; you can redistribute it and/or modify it under the
......@@ -27,44 +27,32 @@
#include <future>
#include <testsuite_hooks.h>
void test01()
{
bool test __attribute__((unused)) = true;
std::promise<int> p1;
std::shared_future<int> f1(p1.get_future());
std::shared_future<int> f2(f1);
VERIFY( !f1.has_exception() );
VERIFY( !f2.has_exception() );
p1.set_exception(std::copy_exception(1));
struct sum {
typedef int result_type;
int operator()(int i, int& j, const int& k) { return i + j + k; }
};
VERIFY( f1.has_exception() );
VERIFY( f2.has_exception() );
}
void test02()
void test01()
{
std::promise<int> p1;
bool test __attribute__((unused)) = true;
std::shared_future<int> f1(p1.get_future());
std::shared_future<int> f2(f1);
using namespace std;
VERIFY( !f1.has_exception() );
VERIFY( !f2.has_exception() );
int a = 1;
int b = 10;
int c = 100;
future<int> f1 = async(launch::any, sum(), a, ref(b), cref(c));
future<int> f2 = async(sum(), a, ref(b), cref(c));
p1.set_value(1);
VERIFY( !f1.has_exception() );
VERIFY( !f2.has_exception() );
VERIFY( f1.valid() );
VERIFY( f2.valid() );
int r1 = f1.get();
int r2 = f2.get();
VERIFY( r1 == r2 );
}
int main()
{
test01();
test02();
return 0;
}
......@@ -6,7 +6,7 @@
// { dg-require-gthreads "" }
// { dg-require-atomic-builtins "" }
// Copyright (C) 2009 Free Software Foundation, Inc.
// Copyright (C) 2010 Free Software Foundation, Inc.
//
// This file is part of the GNU ISO C++ Library. This library is free
// software; you can redistribute it and/or modify it under the
......@@ -27,38 +27,31 @@
#include <future>
#include <testsuite_hooks.h>
void test01()
{
bool test __attribute__((unused)) = true;
std::promise<int> p1;
std::unique_future<int> f1(p1.get_future());
VERIFY( !f1.has_exception() );
p1.set_exception(std::copy_exception(1));
using namespace std;
VERIFY( f1.has_exception() );
}
struct work {
typedef void result_type;
void operator()(mutex& m, condition_variable& cv)
{
unique_lock<mutex> l(m);
cv.notify_one();
}
};
void test02()
void test01()
{
bool test __attribute__((unused)) = true;
std::promise<int> p1;
std::unique_future<int> f1(p1.get_future());
VERIFY( !f1.has_exception() );
p1.set_value(1);
VERIFY( !f1.has_exception() );
mutex m;
condition_variable cv;
unique_lock<mutex> l(m);
future<void> f1 = async(launch::async, work(), ref(m), ref(cv));
cv.wait(l);
f1.get();
}
int main()
{
test01();
test02();
return 0;
}
......@@ -6,7 +6,7 @@
// { dg-require-gthreads "" }
// { dg-require-atomic-builtins "" }
// Copyright (C) 2009 Free Software Foundation, Inc.
// Copyright (C) 2010 Free Software Foundation, Inc.
//
// This file is part of the GNU ISO C++ Library. This library is free
// software; you can redistribute it and/or modify it under the
......@@ -27,39 +27,28 @@
#include <future>
#include <testsuite_hooks.h>
void test01()
{
bool test __attribute__((unused)) = true;
std::promise<int> p1;
std::unique_future<int> f1(p1.get_future());
VERIFY( !f1.has_value() );
p1.set_value(1);
struct sum {
typedef int result_type;
int operator()(int i, int& j, const int& k) { return i + j + k; }
};
VERIFY( f1.has_value() );
}
void test02()
void test01()
{
bool test __attribute__((unused)) = true;
std::promise<int> p1;
std::unique_future<int> f1(p1.get_future());
using namespace std;
VERIFY( !f1.has_value() );
int a = 1;
int b = 10;
int c = 100;
future<int> f1 = async(launch::sync, sum(), a, ref(b), cref(c));
p1.set_exception(std::copy_exception(1));
VERIFY( !f1.has_value() );
VERIFY( f1.valid() );
VERIFY( f1.get() == 111 );
}
int main()
{
test01();
test02();
return 0;
}
......@@ -31,9 +31,9 @@ void test01()
typedef std::future_error error_t;
typedef std::unique_future<int> uniq_t;
typedef std::unique_future<int&> uniqr_t;
typedef std::unique_future<void> uniqv_t;
typedef std::future<int> uniq_t;
typedef std::future<int&> uniqr_t;
typedef std::future<void> uniqv_t;
typedef std::shared_future<int> shar_t;
typedef std::shared_future<int&> sharr_t;
......@@ -46,4 +46,6 @@ void test01()
typedef std::packaged_task<int> ptask_t;
typedef std::packaged_task<int&> ptaskr_t;
typedef std::packaged_task<void> ptaskv_t;
using std::async;
}
// { dg-do compile { target *-*-freebsd* *-*-netbsd* *-*-linux* *-*-solaris* *-*-cygwin *-*-darwin* alpha*-*-osf* mips-sgi-irix6* } }
// { dg-options " -std=gnu++0x -pthread" { target *-*-freebsd* *-*-netbsd* *-*-linux* alpha*-*-osf* mips-sgi-irix6* } }
// { dg-options " -std=gnu++0x -pthreads" { target *-*-solaris* } }
// { dg-options " -std=gnu++0x " { target *-*-cygwin *-*-darwin* } }
// { dg-require-cstdint "" }
// { dg-require-gthreads "" }
// { dg-require-atomic-builtins "" }
// Copyright (C) 2010 Free Software Foundation, Inc.
//
// This file is part of the GNU ISO C++ Library. This library is free
// software; you can redistribute it and/or modify it under the
// terms of the GNU General Public License as published by the
// Free Software Foundation; either version 3, or (at your option)
// any later version.
// This library is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License for more details.
// You should have received a copy of the GNU General Public License along
// with this library; see the file COPYING3. If not see
// <http://www.gnu.org/licenses/>.
#include <future>
#include <testsuite_hooks.h>
#include <testsuite_allocator.h>
int f() { return 5; }
void test01()
{
bool test __attribute__((unused)) = true;
using std::packaged_task;
using std::allocator_arg;
using __gnu_test::uneq_allocator;
uneq_allocator<char> alloc(99);
packaged_task<int ()> p1(allocator_arg, alloc, f); // { dg-excess-errors "" }
VERIFY( static_cast<bool>(p1) );
p1();
VERIFY( p1.get_future().get() == 5 );
}
int main()
{
test01();
return 0;
}
......@@ -33,4 +33,4 @@ void test01()
}
// { dg-error "used here" "" { target *-*-* } 32 }
// { dg-error "deleted function" "" { target *-*-* } 890 }
// { dg-error "deleted function" "" { target *-*-* } 1209 }
......@@ -32,4 +32,4 @@ void test01()
}
// { dg-error "used here" "" { target *-*-* } 31 }
// { dg-error "deleted function" "" { target *-*-* } 889 }
// { dg-error "deleted function" "" { target *-*-* } 1208 }
......@@ -34,9 +34,10 @@ void test01()
bool test __attribute__((unused)) = true;
std::packaged_task<int&(int&)> p1(inc);
std::unique_future<int&> f1 = p1.get_future();
std::future<int&> f1 = p1.get_future();
VERIFY( !f1.is_ready() );
VERIFY( f1.valid() );
VERIFY( !f1.wait_for(std::chrono::milliseconds(1)) );
int i1 = 0;
......
......@@ -42,8 +42,9 @@ void test01()
p1.get_future();
VERIFY( false );
}
catch (std::bad_function_call&)
catch (const std::future_error& e)
{
VERIFY( e.code() == std::future_errc::future_already_retrieved );
test = true;
}
......
......@@ -34,12 +34,12 @@ void test01()
bool test __attribute__((unused)) = true;
std::packaged_task<int()> p1(zero);
std::unique_future<int> f1 = p1.get_future();
std::future<int> f1 = p1.get_future();
p1();
VERIFY( static_cast<bool>(p1) );
VERIFY( f1.has_value() );
VERIFY( f1.get() == 0 );
}
int main()
......
......@@ -41,8 +41,9 @@ void test01()
{
p1(4);
}
catch (std::bad_function_call&)
catch (const std::future_error& e)
{
VERIFY( e.code() == std::future_errc::promise_already_satisfied );
test = true;
}
......
......@@ -44,8 +44,9 @@ void test01()
{
p1(i1);
}
catch (std::bad_function_call&)
catch (const std::future_error& e)
{
VERIFY( e.code() == std::future_errc::promise_already_satisfied );
test = true;
}
......
......@@ -31,14 +31,19 @@ void thrower() { throw 0; }
void test01()
{
bool test __attribute__((unused)) = true;
bool test = false;
std::packaged_task<void()> p1(thrower);
std::unique_future<void> f1 = p1.get_future();
std::future<void> f1 = p1.get_future();
p1();
VERIFY( f1.has_exception() );
try {
f1.get();
} catch (int) {
test = true;
}
VERIFY( test );
}
int main()
......
......@@ -36,15 +36,13 @@ void test01()
using namespace std;
packaged_task<int()> p1(zero);
unique_future<int> f1 = p1.get_future();
future<int> f1 = p1.get_future();
p1.reset();
VERIFY( static_cast<bool>(p1) );
unique_future<int> f2 = p1.get_future();
VERIFY( !f2.is_ready() );
future<int> f2 = p1.get_future();
VERIFY( f1.has_exception() );
try
{
f1.get();
......
......@@ -27,23 +27,24 @@
#include <future>
#include <testsuite_hooks.h>
int zero() { return 0; }
int iota() { static int i = 0; return i++; }
void test01()
{
bool test __attribute__((unused)) = true;
std::packaged_task<int()> p1(zero);
std::unique_future<int> f1 = p1.get_future();
std::packaged_task<int()> p1(iota);
std::future<int> f1 = p1.get_future();
p1();
p1.reset();
VERIFY( static_cast<bool>(p1) );
VERIFY( f1.has_value() );
VERIFY( f1.get() == 0 );
std::unique_future<int> f2 = p1.get_future();
VERIFY( !f2.is_ready() );
std::future<int> f2 = p1.get_future();
p1();
VERIFY( f2.get() == 1 );
}
int main()
......
// { dg-do run { target *-*-freebsd* *-*-netbsd* *-*-linux* *-*-solaris* *-*-cygwin *-*-darwin* alpha*-*-osf* mips-sgi-irix6* } }
// { dg-do compile { target *-*-freebsd* *-*-netbsd* *-*-linux* *-*-solaris* *-*-cygwin *-*-darwin* alpha*-*-osf* mips-sgi-irix6* } }
// { dg-options " -std=gnu++0x -pthread" { target *-*-freebsd* *-*-netbsd* *-*-linux* alpha*-*-osf* mips-sgi-irix6* } }
// { dg-options " -std=gnu++0x -pthreads" { target *-*-solaris* } }
// { dg-options " -std=gnu++0x " { target *-*-cygwin *-*-darwin* } }
......@@ -6,7 +6,7 @@
// { dg-require-gthreads "" }
// { dg-require-atomic-builtins "" }
// Copyright (C) 2009 Free Software Foundation, Inc.
// Copyright (C) 2010 Free Software Foundation, Inc.
//
// This file is part of the GNU ISO C++ Library. This library is free
// software; you can redistribute it and/or modify it under the
......@@ -23,48 +23,25 @@
// with this library; see the file COPYING3. If not see
// <http://www.gnu.org/licenses/>.
#include <future>
#include <testsuite_hooks.h>
#include <testsuite_allocator.h>
void test01()
{
bool test __attribute__((unused)) = true;
std::promise<int> p1;
std::shared_future<int> f1(p1.get_future());
std::shared_future<int> f2(f1);
VERIFY( !f1.has_value() );
VERIFY( !f2.has_value() );
using std::promise;
using std::allocator_arg;
using __gnu_test::uneq_allocator;
p1.set_value(1);
uneq_allocator<char> alloc(99);
VERIFY( f1.has_value() );
VERIFY( f2.has_value() );
}
void test02()
{
bool test __attribute__((unused)) = true;
std::promise<int> p1;
std::shared_future<int> f1(p1.get_future());
std::shared_future<int> f2(f1);
VERIFY( !f1.has_value() );
VERIFY( !f2.has_value() );
p1.set_exception(std::copy_exception(1));
VERIFY( !f1.has_value() );
VERIFY( !f2.has_value() );
promise<int> p1(allocator_arg, alloc); // { dg-excess-errors "" }
p1.set_value(5);
VERIFY( p1.get_future().get() == 5 );
}
int main()
{
test01();
test02();
return 0;
}
......@@ -33,4 +33,4 @@ void test01()
}
// { dg-error "used here" "" { target *-*-* } 32 }
// { dg-error "deleted function" "" { target *-*-* } 608 }
// { dg-error "deleted function" "" { target *-*-* } 864 }
......@@ -32,4 +32,4 @@ void test01()
}
// { dg-error "used here" "" { target *-*-* } 31 }
// { dg-error "deleted function" "" { target *-*-* } 592 }
// { dg-error "deleted function" "" { target *-*-* } 848 }
......@@ -44,7 +44,7 @@ void test01()
}
catch (std::future_error& e)
{
VERIFY(e.code() == make_error_code(future_errc::future_already_retrieved));
VERIFY(e.code() == make_error_code(future_errc::no_state));
}
}
......
......@@ -45,7 +45,7 @@ void test01()
}
catch (future_error& e)
{
VERIFY(e.code() == make_error_code(future_errc::future_already_retrieved));
VERIFY(e.code() == make_error_code(future_errc::no_state));
}
}
......
......@@ -32,9 +32,9 @@ void test01()
bool test __attribute__((unused)) = true;
std::promise<int&> p1;
std::unique_future<int&> f1 = p1.get_future();
std::future<int&> f1 = p1.get_future();
VERIFY( !f1.is_ready() );
VERIFY( f1.valid() );
int i1 = 0;
......
......@@ -29,17 +29,25 @@
void test01()
{
bool test __attribute__((unused)) = true;
bool test = false;
std::promise<int> p1;
std::unique_future<int> f1 = p1.get_future();
std::future<int> f1 = p1.get_future();
VERIFY( !f1.is_ready() );
VERIFY( f1.valid() );
p1.set_exception(std::copy_exception(0));
VERIFY( f1.has_exception() );
VERIFY( !f1.has_value() );
try
{
f1.get();
}
catch (int)
{
test = true;
}
VERIFY( test );
VERIFY( !f1.valid() );
}
int main()
......
......@@ -32,7 +32,7 @@ void test01()
bool test = false;
std::promise<int> p1;
std::unique_future<int> f1 = p1.get_future();
std::future<int> f1 = p1.get_future();
p1.set_exception(std::copy_exception(0));
......@@ -66,7 +66,7 @@ void test02()
bool test = false;
std::promise<int> p1;
std::unique_future<int> f1 = p1.get_future();
std::future<int> f1 = p1.get_future();
p1.set_value(2);
......@@ -82,8 +82,6 @@ void test02()
test = true;
}
VERIFY( f1.has_value() );
VERIFY( !f1.has_exception() );
VERIFY( test );
}
......
......@@ -33,9 +33,9 @@ void test01()
bool test __attribute__((unused)) = true;
std::promise<int> p1;
std::unique_future<int> f1 = p1.get_future();
std::future<int> f1 = p1.get_future();
VERIFY( !f1.is_ready() );
VERIFY( f1.valid() );
p1.set_value(0);
......@@ -50,15 +50,15 @@ void test02()
using __gnu_test::rvalstruct;
std::promise<rvalstruct> p1;
std::unique_future<rvalstruct> f1 = p1.get_future();
std::future<rvalstruct> f1 = p1.get_future();
VERIFY( !f1.is_ready() );
VERIFY( f1.valid() );
p1.set_value(rvalstruct(1));
rvalstruct r1(f1.get());
VERIFY( r1.valid );
VERIFY( !f1.valid() );
VERIFY( r1.val == 1 );
}
......@@ -68,14 +68,15 @@ void test03()
bool test __attribute__((unused)) = true;
std::promise<int&> p1;
std::unique_future<int&> f1 = p1.get_future();
std::future<int&> f1 = p1.get_future();
VERIFY( !f1.is_ready() );
VERIFY( f1.valid() );
int i1 = 0;
p1.set_value(i1);
int& i2 = f1.get();
VERIFY( !f1.valid() );
VERIFY( &i1 == &i2 );
}
......@@ -84,14 +85,14 @@ void test04()
bool test __attribute__((unused)) = true;
std::promise<void> p1;
std::unique_future<void> f1 = p1.get_future();
std::future<void> f1 = p1.get_future();
VERIFY( !f1.is_ready() );
VERIFY( f1.valid() );
p1.set_value();
f1.get();
VERIFY( f1.is_ready() );
VERIFY( !f1.valid() );
}
int main()
......
......@@ -32,7 +32,7 @@ void test01()
bool test = false;
std::promise<int> p1;
std::unique_future<int> f1 = p1.get_future();
std::future<int> f1 = p1.get_future();
p1.set_value(1);
......@@ -48,7 +48,7 @@ void test01()
test = true;
}
VERIFY( f1.has_value() );
VERIFY( f1.wait_for(std::chrono::milliseconds(1)) );
VERIFY( f1.get() == 1 );
VERIFY( test );
}
......@@ -58,7 +58,7 @@ void test02()
bool test = false;
std::promise<int> p1;
std::unique_future<int> f1 = p1.get_future();
std::future<int> f1 = p1.get_future();
p1.set_value(3);
......@@ -74,8 +74,7 @@ void test02()
test = true;
}
VERIFY( f1.has_value() );
VERIFY( !f1.has_exception() );
VERIFY( f1.wait_for(std::chrono::milliseconds(1)) );
VERIFY( f1.get() == 3 );
VERIFY( test );
}
......
......@@ -41,33 +41,33 @@ struct tester
};
std::promise<tester> pglobal;
std::unique_future<tester> fglobal = pglobal.get_future();
std::future<tester> fglobal = pglobal.get_future();
tester::tester(int)
{
bool test __attribute__((unused)) = true;
VERIFY (!fglobal.is_ready());
VERIFY (!fglobal.wait_for(std::chrono::milliseconds(1)));
}
tester::tester(const tester&)
{
bool test __attribute__((unused)) = true;
// if this copy happens while a mutex is locked next line could deadlock:
VERIFY (!fglobal.is_ready());
VERIFY (!fglobal.wait_for(std::chrono::milliseconds(1)));
}
tester& tester::operator=(const tester&)
{
bool test __attribute__((unused)) = true;
// if this copy happens while a mutex is locked next line could deadlock:
VERIFY (!fglobal.is_ready());
VERIFY (!fglobal.wait_for(std::chrono::milliseconds(1)));
return *this;
}
tester::~tester()
{
bool test __attribute__((unused)) = true;
VERIFY (fglobal.is_ready());
VERIFY (fglobal.wait_for(std::chrono::milliseconds(1)));
}
void test01()
......@@ -76,7 +76,7 @@ void test01()
pglobal.set_value( tester(1) );
VERIFY( fglobal.is_ready() );
VERIFY( fglobal.wait_for(std::chrono::milliseconds(1)) );
}
int main()
......
......@@ -35,8 +35,8 @@ void test01()
std::promise<int> p2;
p1.set_value(1);
p1.swap(p2);
VERIFY( !p1.get_future().is_ready() );
VERIFY( p2.get_future().is_ready() );
VERIFY( !p1.get_future().wait_for(std::chrono::milliseconds(1)) );
VERIFY( p2.get_future().wait_for(std::chrono::milliseconds(1)) );
}
int main()
......
// { dg-do compile }
// { dg-options "-std=gnu++0x" }
// { dg-require-cstdint "" }
// { dg-require-gthreads "" }
// { dg-require-atomic-builtins "" }
// Copyright (C) 2009 Free Software Foundation, Inc.
// Copyright (C) 2010 Free Software Foundation, Inc.
//
// This file is part of the GNU ISO C++ Library. This library is free
// software; you can redistribute it and/or modify it under the
......@@ -23,16 +22,23 @@
#include <future>
#include <testsuite_hooks.h>
extern std::shared_future<int>& get();
std::future<int> get() { return std::promise<int>().get_future(); }
void test01()
{
// assign
std::shared_future<int>& p1 = get();
std::shared_future<int>& p2 = get();
std::shared_future<int> p1;
std::shared_future<int> p2 = get();
p1 = p2;
VERIFY( p1.valid() );
VERIFY( p2.valid() );
}
int main()
{
test01();
return 0;
}
// { dg-error "used here" "" { target *-*-* } 34 }
// { dg-error "deleted function" "" { target *-*-* } 493 }
......@@ -25,7 +25,7 @@
#include <future>
#include <testsuite_hooks.h>
extern std::unique_future<int>&& get();
extern std::future<int>&& get();
void test01()
{
......
// { dg-do compile }
// { dg-options "-std=gnu++0x" }
// { dg-require-cstdint "" }
// { dg-require-gthreads "" }
// { dg-require-atomic-builtins "" }
// Copyright (C) 2009 Free Software Foundation, Inc.
// Copyright (C) 2010 Free Software Foundation, Inc.
//
// This file is part of the GNU ISO C++ Library. This library is free
// software; you can redistribute it and/or modify it under the
......@@ -23,6 +22,7 @@
#include <future>
#include <testsuite_hooks.h>
#include <testsuite_tr1.h>
void test01()
......@@ -30,11 +30,18 @@ void test01()
using std::shared_future;
using namespace __gnu_test;
shared_future<int> p1; // { dg-error "22: error: no match" }
shared_future<int&> p2; // { dg-error "23: error: no match" }
shared_future<void> p3; // { dg-error "23: error: no match" }
shared_future<ClassType> p4; // { dg-error "28: error: no match" }
shared_future<AbstractClass&> p5; // { dg-error "33: error: no match" }
bool __attribute__((unused)) test = true;
shared_future<int> p1;
VERIFY( !p1.valid() );
shared_future<int&> p2;
VERIFY( !p2.valid() );
shared_future<void> p3;
VERIFY( !p3.valid() );
shared_future<ClassType> p4;
VERIFY( !p4.valid() );
shared_future<AbstractClass&> p5;
VERIFY( !p5.valid() );
}
int main()
......@@ -42,4 +49,3 @@ int main()
test01();
return 0;
}
// { dg-excess-errors "note" }
......@@ -28,9 +28,9 @@
void test01()
{
// construct from rvalue unique_future
// construct from rvalue future
std::promise<int> p1;
std::unique_future<int> f1(p1.get_future());
std::future<int> f1(p1.get_future());
std::shared_future<int> f2(std::move(f1));
}
......
// { dg-do compile }
// { dg-options "-std=gnu++0x" }
// { dg-require-cstdint "" }
// { dg-require-gthreads "" }
// { dg-require-atomic-builtins "" }
// Copyright (C) 2009 Free Software Foundation, Inc.
// Copyright (C) 2010 Free Software Foundation, Inc.
//
// This file is part of the GNU ISO C++ Library. This library is free
// software; you can redistribute it and/or modify it under the
......@@ -23,18 +22,18 @@
#include <future>
#include <testsuite_tr1.h>
#include <testsuite_hooks.h>
std::future<int> get() { return std::promise<int>().get_future(); }
void test01()
{
using std::unique_future;
using namespace __gnu_test;
unique_future<int> p1; // { dg-error "22: error: no match" }
unique_future<int&> p2; // { dg-error "23: error: no match" }
unique_future<void> p3; // { dg-error "23: error: no match" }
unique_future<ClassType> p4; // { dg-error "28: error: no match" }
unique_future<AbstractClass&> p5; // { dg-error "33: error: no match" }
// assign
std::shared_future<int> p1;
std::shared_future<int> p2 = get();
p1 = std::move(p2);
VERIFY( p1.valid() );
VERIFY( !p2.valid() );
}
int main()
......@@ -42,4 +41,3 @@ int main()
test01();
return 0;
}
// { dg-excess-errors "note" }
......@@ -6,7 +6,7 @@
// { dg-require-gthreads "" }
// { dg-require-atomic-builtins "" }
// Copyright (C) 2009 Free Software Foundation, Inc.
// Copyright (C) 2010 Free Software Foundation, Inc.
//
// This file is part of the GNU ISO C++ Library. This library is free
// software; you can redistribute it and/or modify it under the
......@@ -31,17 +31,27 @@ void test01()
{
bool test __attribute__((unused)) = true;
std::shared_future<int> f0;
VERIFY( !f0.valid() );
std::promise<int> p1;
std::shared_future<int> f1(p1.get_future());
std::shared_future<int> f2(f1);
VERIFY( !f1.is_ready() );
VERIFY( !f2.is_ready() );
VERIFY( f1.valid() );
VERIFY( f2.valid() );
p1.set_value(1);
VERIFY( f1.is_ready() );
VERIFY( f2.is_ready() );
VERIFY( f1.valid() );
VERIFY( f2.valid() );
f1 = std::move(f0);
VERIFY( !f0.valid() );
VERIFY( !f1.valid() );
VERIFY( f2.valid() );
}
int main()
......
......@@ -24,15 +24,15 @@
#include <future>
extern std::unique_future<int>& get();
extern std::future<int>& get();
void test01()
{
// assign
std::unique_future<int>& p1 = get();
std::unique_future<int>& p2 = get();
std::future<int>& p1 = get();
std::future<int>& p2 = get();
p1 = p2;
}
// { dg-error "used here" "" { target *-*-* } 34 }
// { dg-error "deleted function" "" { target *-*-* } 419 }
// { dg-error "deleted function" "" { target *-*-* } 578 }
......@@ -24,14 +24,14 @@
#include <future>
extern std::unique_future<int>& get();
extern std::future<int>& get();
void test01()
{
// copy
std::unique_future<int>& p1 = get();
std::unique_future<int> p2(p1);
std::future<int>& p1 = get();
std::future<int> p2(p1);
}
// { dg-error "used here" "" { target *-*-* } 33 }
// { dg-error "deleted function" "" { target *-*-* } 418 }
// { dg-error "deleted function" "" { target *-*-* } 577 }
// { dg-options "-std=gnu++0x" }
// { dg-require-cstdint "" }
// { dg-require-gthreads "" }
// { dg-require-atomic-builtins "" }
// Copyright (C) 2010 Free Software Foundation, Inc.
//
// This file is part of the GNU ISO C++ Library. This library is free
// software; you can redistribute it and/or modify it under the
// terms of the GNU General Public License as published by the
// Free Software Foundation; either version 3, or (at your option)
// any later version.
// This library is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License for more details.
// You should have received a copy of the GNU General Public License along
// with this library; see the file COPYING3. If not see
// <http://www.gnu.org/licenses/>.
#include <future>
#include <testsuite_hooks.h>
#include <testsuite_tr1.h>
void test01()
{
using std::future;
using namespace __gnu_test;
bool __attribute__((unused)) test = true;
future<int> p1;
VERIFY( !p1.valid() );
future<int&> p2;
VERIFY( !p2.valid() );
future<void> p3;
VERIFY( !p3.valid() );
future<ClassType> p4;
VERIFY( !p4.valid() );
future<AbstractClass&> p5;
VERIFY( !p5.valid() );
}
int main()
{
test01();
return 0;
}
......@@ -30,8 +30,8 @@ void test01()
{
// move
std::promise<int> p1;
std::unique_future<int> f1(p1.get_future());
std::unique_future<int> f2(std::move(f1));
std::future<int> f1(p1.get_future());
std::future<int> f2(std::move(f1));
}
int main()
......
// { dg-options "-std=gnu++0x" }
// { dg-require-cstdint "" }
// { dg-require-gthreads "" }
// { dg-require-atomic-builtins "" }
// Copyright (C) 2010 Free Software Foundation, Inc.
//
// This file is part of the GNU ISO C++ Library. This library is free
// software; you can redistribute it and/or modify it under the
// terms of the GNU General Public License as published by the
// Free Software Foundation; either version 3, or (at your option)
// any later version.
// This library is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License for more details.
// You should have received a copy of the GNU General Public License along
// with this library; see the file COPYING3. If not see
// <http://www.gnu.org/licenses/>.
#include <future>
#include <testsuite_hooks.h>
std::future<int> get() { return std::promise<int>().get_future(); }
void test01()
{
// assign
std::future<int> p1;
std::future<int> p2 = get();
p1 = std::move(p2);
VERIFY( p1.valid() );
VERIFY( !p2.valid() );
}
int main()
{
test01();
return 0;
}
......@@ -34,10 +34,11 @@ void test01()
bool test __attribute__((unused)) = true;
std::promise<int> p1;
std::unique_future<int> f1(p1.get_future());
std::future<int> f1(p1.get_future());
p1.set_value(value);
VERIFY( f1.get() == value );
VERIFY( !f1.valid() );
}
void test02()
......@@ -45,19 +46,21 @@ void test02()
bool test __attribute__((unused)) = true;
std::promise<int&> p1;
std::unique_future<int&> f1(p1.get_future());
std::future<int&> f1(p1.get_future());
p1.set_value(value);
VERIFY( &f1.get() == &value );
VERIFY( !f1.valid() );
}
void test03()
{
std::promise<void> p1;
std::unique_future<void> f1(p1.get_future());
std::future<void> f1(p1.get_future());
p1.set_value();
f1.get();
VERIFY( !f1.valid() );
}
int main()
......
......@@ -35,7 +35,7 @@ void test01()
bool test __attribute__((unused)) = true;
std::promise<int> p1;
std::unique_future<int> f1(p1.get_future());
std::future<int> f1(p1.get_future());
p1.set_exception(std::copy_exception(value));
try
......@@ -47,6 +47,7 @@ void test01()
{
VERIFY( e == value );
}
VERIFY( !f1.valid() );
}
void test02()
......@@ -54,7 +55,7 @@ void test02()
bool test __attribute__((unused)) = true;
std::promise<int&> p1;
std::unique_future<int&> f1(p1.get_future());
std::future<int&> f1(p1.get_future());
p1.set_exception(std::copy_exception(value));
try
......@@ -66,6 +67,7 @@ void test02()
{
VERIFY( e == value );
}
VERIFY( !f1.valid() );
}
void test03()
......@@ -73,7 +75,7 @@ void test03()
bool test __attribute__((unused)) = true;
std::promise<void> p1;
std::unique_future<void> f1(p1.get_future());
std::future<void> f1(p1.get_future());
p1.set_exception(std::copy_exception(value));
try
......@@ -85,6 +87,7 @@ void test03()
{
VERIFY( e == value );
}
VERIFY( !f1.valid() );
}
int main()
......
......@@ -6,7 +6,7 @@
// { dg-require-gthreads "" }
// { dg-require-atomic-builtins "" }
// Copyright (C) 2009 Free Software Foundation, Inc.
// Copyright (C) 2010 Free Software Foundation, Inc.
//
// This file is part of the GNU ISO C++ Library. This library is free
// software; you can redistribute it and/or modify it under the
......@@ -31,14 +31,22 @@ void test01()
{
bool test __attribute__((unused)) = true;
std::future<int> f0;
VERIFY( !f0.valid() );
std::promise<int> p1;
std::unique_future<int> f1(p1.get_future());
std::future<int> f1(p1.get_future());
VERIFY( !f1.is_ready() );
VERIFY( f1.valid() );
p1.set_value(1);
VERIFY( f1.is_ready() );
VERIFY( f1.valid() );
f1 = std::move(f0);
VERIFY( !f1.valid() );
VERIFY( !f0.valid() );
}
int main()
......
......@@ -31,7 +31,7 @@
#include <testsuite_hooks.h>
void wait(std::unique_future<void>& f)
void wait(std::future<void>& f)
{
f.wait();
}
......@@ -39,7 +39,7 @@ void wait(std::unique_future<void>& f)
void test01()
{
std::promise<void> p1;
std::unique_future<void> f1(p1.get_future());
std::future<void> f1(p1.get_future());
std::thread t1(wait, std::ref(f1));
......
......@@ -33,7 +33,7 @@ void test01()
bool test __attribute__((unused)) = true;
std::promise<int> p1;
std::unique_future<int> f1(p1.get_future());
std::future<int> f1(p1.get_future());
std::chrono::milliseconds delay(100);
......
......@@ -38,7 +38,7 @@ void test01()
bool test __attribute__((unused)) = true;
std::promise<int> p1;
std::unique_future<int> f1(p1.get_future());
std::future<int> f1(p1.get_future());
auto when = make_time(10);
VERIFY( !f1.wait_until(when) );
......
......@@ -26,9 +26,9 @@
#include <testsuite_tr1.h>
using namespace __gnu_test;
using std::unique_future;
template class unique_future<int>;
template class unique_future<int&>;
template class unique_future<void>;
template class unique_future<ClassType>;
template class unique_future<ClassType&>;
using std::future;
template class future<int>;
template class future<int&>;
template class future<void>;
template class future<ClassType>;
template class future<ClassType&>;
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