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[futures.atomic_future] and notify_all_at_thread_exit. This completes the header <future> and all of Chapter 30 (for C++0x enabled compilers).

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git-svn-id: https://llvm.org/svn/llvm-project/libcxx/trunk@113017 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Howard Hinnant
2010-09-03 21:46:37 +00:00
parent 99be8237db
commit e6e4d01553
17 changed files with 1010 additions and 3 deletions
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35
src/future.cpp
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@@ -257,4 +257,39 @@ shared_future<void>::operator=(const shared_future& __rhs)
return *this;
}
atomic_future<void>::~atomic_future()
{
if (__state_)
__state_->__release_shared();
}
atomic_future<void>&
atomic_future<void>::operator=(const atomic_future& __rhs)
{
if (this != &__rhs)
{
unique_lock<mutex> __this(__mut_, defer_lock);
unique_lock<mutex> __that(__rhs.__mut_, defer_lock);
_STD::lock(__this, __that);
if (__rhs.__state_)
__rhs.__state_->__add_shared();
if (__state_)
__state_->__release_shared();
__state_ = __rhs.__state_;
}
return *this;
}
void
atomic_future<void>::swap(atomic_future& __rhs)
{
if (this != &__rhs)
{
unique_lock<mutex> __this(__mut_, defer_lock);
unique_lock<mutex> __that(__rhs.__mut_, defer_lock);
_STD::lock(__this, __that);
_STD::swap(__state_, __rhs.__state_);
}
}
_LIBCPP_END_NAMESPACE_STD