generic-library/cxx
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http://llvm.org/bugs/show_bug.cgi?id=10346

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git-svn-id: https://llvm.org/svn/llvm-project/libcxx/trunk@135045 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Howard Hinnant
2011-07-13 16:00:50 +00:00
parent 8d75632ad0
commit 22ba71b8ef
2 changed files with 58 additions and 0 deletions
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22
src/future.cpp
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@@ -73,8 +73,10 @@ void
__assoc_sub_state::set_value()
{
unique_lock<mutex> __lk(__mut_);
#ifndef _LIBCPP_NO_EXCEPTIONS
if (__has_value())
throw future_error(make_error_code(future_errc::promise_already_satisfied));
#endif
__state_ |= __constructed | ready;
__lk.unlock();
__cv_.notify_all();
@@ -84,8 +86,10 @@ void
__assoc_sub_state::set_value_at_thread_exit()
{
unique_lock<mutex> __lk(__mut_);
#ifndef _LIBCPP_NO_EXCEPTIONS
if (__has_value())
throw future_error(make_error_code(future_errc::promise_already_satisfied));
#endif
__state_ |= __constructed;
__thread_local_data()->__make_ready_at_thread_exit(this);
__lk.unlock();
@@ -95,8 +99,10 @@ void
__assoc_sub_state::set_exception(exception_ptr __p)
{
unique_lock<mutex> __lk(__mut_);
#ifndef _LIBCPP_NO_EXCEPTIONS
if (__has_value())
throw future_error(make_error_code(future_errc::promise_already_satisfied));
#endif
__exception_ = __p;
__state_ |= ready;
__lk.unlock();
@@ -107,8 +113,10 @@ void
__assoc_sub_state::set_exception_at_thread_exit(exception_ptr __p)
{
unique_lock<mutex> __lk(__mut_);
#ifndef _LIBCPP_NO_EXCEPTIONS
if (__has_value())
throw future_error(make_error_code(future_errc::promise_already_satisfied));
#endif
__exception_ = __p;
__thread_local_data()->__make_ready_at_thread_exit(this);
__lk.unlock();
@@ -159,14 +167,18 @@ __assoc_sub_state::__sub_wait(unique_lock<mutex>& __lk)
void
__assoc_sub_state::__execute()
{
#ifndef _LIBCPP_NO_EXCEPTIONS
throw future_error(make_error_code(future_errc::no_state));
#endif
}
future<void>::future(__assoc_sub_state* __state)
: __state_(__state)
{
#ifndef _LIBCPP_NO_EXCEPTIONS
if (__state_->__has_future_attached())
throw future_error(make_error_code(future_errc::future_already_retrieved));
#endif
__state_->__add_shared();
__state_->__set_future_attached();
}
@@ -206,40 +218,50 @@ promise<void>::~promise()
future<void>
promise<void>::get_future()
{
#ifndef _LIBCPP_NO_EXCEPTIONS
if (__state_ == nullptr)
throw future_error(make_error_code(future_errc::no_state));
#endif
return future<void>(__state_);
}
void
promise<void>::set_value()
{
#ifndef _LIBCPP_NO_EXCEPTIONS
if (__state_ == nullptr)
throw future_error(make_error_code(future_errc::no_state));
#endif
__state_->set_value();
}
void
promise<void>::set_exception(exception_ptr __p)
{
#ifndef _LIBCPP_NO_EXCEPTIONS
if (__state_ == nullptr)
throw future_error(make_error_code(future_errc::no_state));
#endif
__state_->set_exception(__p);
}
void
promise<void>::set_value_at_thread_exit()
{
#ifndef _LIBCPP_NO_EXCEPTIONS
if (__state_ == nullptr)
throw future_error(make_error_code(future_errc::no_state));
#endif
__state_->set_value_at_thread_exit();
}
void
promise<void>::set_exception_at_thread_exit(exception_ptr __p)
{
#ifndef _LIBCPP_NO_EXCEPTIONS
if (__state_ == nullptr)
throw future_error(make_error_code(future_errc::no_state));
#endif
__state_->set_exception_at_thread_exit(__p);
}