Quoth Unga <unga...@yahoo.com>: > > > I think you may be reading too much into the malloc manpage.� When it > > mentions the use of per-thread small-object caches to avoid locking it's > > talking about performance, not thread safety.� Allocations of all sizes > > are thread-safe, the library just assumes that huge allocations are rare > > enough that it doesn't use extra per-thread resources to avoid locking > > for them, it just uses locking for huge blocks. > > Good to note all allocations are thread safe in FreeBSD. Is it by some > standard that malloc should be thread safe regardless the OS (BSDs, > Linux, Windows, Android, etc)?
POSIX (well, SUSv4 at least) says that malloc and free must be threadsafe. Note that Windows is not a POSIX system, though I belive malloc is also always threadsafe on Windows. Ben
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