Changed thread barrier and event to use a lamba wait predicate instead of a functor.

This commit is contained in:
Jordan Cristiano 2013-11-10 04:57:11 -05:00
parent e013a74cdb
commit 3a28afd8d5
1 changed files with 6 additions and 36 deletions

View File

@ -38,7 +38,7 @@ class Event
public:
Event()
: is_set(false)
{};
{}
void Set()
{
@ -53,34 +53,20 @@ public:
void Wait()
{
std::unique_lock<std::mutex> lk(m_mutex);
m_condvar.wait(lk, IsSet(this));
m_condvar.wait(lk, [&]{ return is_set; });
is_set = false;
}
void Reset()
{
std::unique_lock<std::mutex> lk(m_mutex);
// no other action required, since wait loops on the predicate and any lingering signal will get cleared on the first iteration
// no other action required, since wait loops on
// the predicate and any lingering signal will get
// cleared on the first iteration
is_set = false;
}
private:
class IsSet
{
public:
IsSet(const Event* ev)
: m_event(ev)
{}
bool operator()()
{
return m_event->is_set;
}
private:
const Event* const m_event;
};
volatile bool is_set;
std::condition_variable m_condvar;
std::mutex m_mutex;
@ -110,28 +96,12 @@ public:
}
else
{
m_condvar.wait(lk, IsDoneWating(this));
m_condvar.wait(lk, [&]{ return (0 == m_waiting); });
return false;
}
}
private:
class IsDoneWating
{
public:
IsDoneWating(const Barrier* bar)
: m_bar(bar)
{}
bool operator()()
{
return (0 == m_bar->m_waiting);
}
private:
const Barrier* const m_bar;
};
std::condition_variable m_condvar;
std::mutex m_mutex;
const size_t m_count;