Re: C++ Memory Management Innovation: GC Allocator
On Apr 24, 3:43 pm, "Chris Thomasson" <cris...@comcast.net> wrote:
There are benefits for using TLS. Think of a simple contrived scenario like:
void function() {
// I need to allocate from m_alloc...
// How can I do this without adding any parameters?
}
void thread() {
GenericAllocator m_alloc;
function();
}
AFAICT, your allocator can use TLS as-is... Basically, something like:
void function() {
GenericAllocator* const pm_alloc = pthread_getspecific(...);
// Now I can allocate from m_alloc! :^D
}
void thread() {
GenericAllocator m_alloc;
pthread_setspecific(..., &m_alloc);
function();
}
Don't you think that your design could "possibly" benefit from using TLS?
IMVHO, it would increase its flexibility...
You are right, TLS sounds better than a multi-threaded lock. I add TLS
support in my code now. See
* http://winx.googlecode.com/svn/trunk/stdext/include/stdext/memory/ScopeAlloc.h
* http://winx.googlecode.com/svn/trunk/stdext/include/stdext/thread/TLS.h
*
http://winx.googlecode.com/svn/trunk/stdext/test/testlinux/AllocatorPerformance.cpp
* http://winx.googlecode.com/svn/trunk/stdext/test/testlinux/TestLinux.cpp
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