townforge/signals2
1
0
Fork 0
Code Issues Pull Requests Releases Wiki Activity

Performance optimization: use scoped_ptr instead of shared_ptr to hold

Browse Source 
lock in slot_call_iterator.  Reduces per-slot invocation overhead
by about 50%.


[SVN r3699]
This commit is contained in:
Frank Mori Hess 2007-02-16 15:20:12 +00:00
parent 6318771524
commit 1f6057171c
1 changed files with 22 additions and 2 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

24
include/boost/thread_safe_signals/detail/slot_call_iterator.hpp
View File

@ -14,7 +14,7 @@
#include <boost/iterator/iterator_facade.hpp>
#include <boost/optional.hpp>
#include <boost/shared_ptr.hpp>
#include <boost/scoped_ptr.hpp>
#include <boost/thread_safe_signals/connection.hpp>
#ifdef BOOST_HAS_ABI_HEADERS
@ -52,6 +52,26 @@ namespace boost {
: iter(iter_in), end(end_in), f(f), cache(&c), lock_iter(end_in)
{
}
slot_call_iterator_t(const slot_call_iterator_t &other)
{
iter = other.iter;
end = other.end;
f = other.f;
cache = other.cache;
lock.reset();
lock_iter = end;
}
const slot_call_iterator_t& operator =(const slot_call_iterator_t &other)
{
if(this == &other) return;
iter = other.iter;
end = other.end;
f = other.f;
cache = other.cache;
lock.reset();
lock_iter = end;
return *this;
}
typename inherited::reference
dereference() const
@ -106,7 +126,7 @@ namespace boost {
Iterator end;
Function f;
boost::optional<result_type>* cache;
mutable boost::shared_ptr<lock_type> lock;
mutable boost::scoped_ptr<lock_type> lock;
mutable Iterator lock_iter;
mutable ConnectionBodyBase::shared_ptrs_type trackedPtrs;
};