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fix the revertable lock of window_manager

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This commit is contained in:
Jinhao
2016-10-19 02:58:49 +08:00
parent 01ff1c11c1
commit 9ed5e81ca2
6 changed files with 53 additions and 23 deletions
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12
source/gui/detail/window_manager.cpp
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@@ -335,7 +335,7 @@ namespace detail
void window_manager::revertible_mutex::revert()
{
if(impl_->thread.ref && (impl_->thread.tid == nana::system::this_thread_id()))
if(impl_->thread.tid == nana::system::this_thread_id())
{
std::size_t cnt = impl_->thread.ref;
@@ -346,24 +346,30 @@ namespace detail
for (std::size_t i = 0; i < cnt; ++i)
impl_->mutex.unlock();
}
else
throw std::runtime_error("The revert is not allowed");
}
void window_manager::revertible_mutex::forward()
{
impl_->mutex.lock();
if(impl_->invoke_stack.size())
{
auto thr = impl_->invoke_stack.back();
impl_->invoke_stack.pop_back();
if(thr.tid == nana::system::this_thread_id())
{
impl_->invoke_stack.pop_back();
for (std::size_t i = 0; i < thr.ref; ++i)
impl_->mutex.lock();
impl_->thread = thr;
}
else
throw std::runtime_error("Nana.GUI: The forward is not matched.");
throw std::runtime_error("The forward is not matched. Please report this issue");
}
impl_->mutex.unlock();
}
//end class revertible_mutex