Simplify thread_base::join()

Use waitable atomics
This commit is contained in:
Nekotekina 2019-09-10 18:56:53 +03:00
parent 4504ac2d12
commit c1b0934f72
2 changed files with 4 additions and 14 deletions

View File

@ -1766,8 +1766,7 @@ bool thread_base::finalize(int) noexcept
const bool result = m_state.exchange(thread_state::finished) == thread_state::detached;
// Signal waiting threads
m_mutex.lock_unlock();
m_jcv.notify_all();
m_state.notify_all();
return result;
}
@ -1845,16 +1844,10 @@ thread_base::~thread_base()
void thread_base::join() const
{
if (m_state == thread_state::finished)
for (auto state = m_state.load(); state != thread_state::finished;)
{
return;
}
std::unique_lock lock(m_mutex);
while (m_state != thread_state::finished)
{
m_jcv.wait(lock);
m_state.wait(state);
state = m_state;
}
}

View File

@ -124,9 +124,6 @@ class thread_base
// Thread flags
atomic_t<u32> m_signal{0};
// Thread joining condition variable
mutable cond_variable m_jcv;
// Thread state
atomic_t<thread_state> m_state = thread_state::created;