Problem with LOG macros in multi threaded NT environment

[McWilliams, Gary]

I have changed the LOG macros in log.h as follows:


#define LOG_BEGIN(x)	DefaultLog::log_entry = new LogEntry(x)
#define LOG(x)		*DefaultLog::log_entry += x
#define LOG_END	*DefaultLog::log += DefaultLog::log_entry; delete
DefaultLog::log_entry

from

#define LOG_BEGIN(x)	{ LogEntry* log_entry = new LogEntry(x)
#define LOG(x)		(*log_entry) += x
#define LOG_END		*DefaultLog::log += log_entry; delete log_entry; }

I have a problem in that the DefaultLog::log_entry pointer is class static
(thus shared), and if we have multiple threads logging, then it can get very
confused.
My solution is to just have each logger create a local Log_Entry on the heap
and log that, then tidy up afterwards.



--
Gary McWilliams 
Principal Engineer 
CCC Network Systems Ltd, R&D facility Belfast 
http://www.cccnetsys.com