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PosixKeys

v8	v9
4	4
5	5	There are 2 problems in current implementation of POSIX Key(more details are described next section).
6		#The POSIX key area is not properly extended when the number of threads i~~s increased(~~dynamically created) if POSIX threads are configured as "unlimited", which is a known bug.
	6	#The POSIX key area is not properly extended when the number of threads increases (e.g. dynamically created) if POSIX threads are configured as "unlimited", which is a known bug.
7	7	#Extra memory is reserved in keys for each thread or task in current implementation, which can be heavy memory overhead when keys increase.= Several design approaches =
8	8	= Current implementation =