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clarify free docs: don't use with malloc modes other than 'raw

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Closes #1708
This commit is contained in:
Matthew Flatt 2017-06-20 09:28:10 -06:00
parent d8fcbc7b56
commit 8094ef7a02
1 changed files with 5 additions and 1 deletions
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6
pkgs/racket-doc/scribblings/foreign/pointers.scrbl
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@ -296,7 +296,11 @@ Uses the operating system's @cpp{free} function for
library allocated and we should free. Note that this is useful as
part of a finalizer (see below) procedure hook (e.g., on the Racket
pointer object, freeing the memory when the pointer object is
collected, but beware of aliasing).}
collected, but beware of aliasing).
Memory allocated with @racket[malloc] and modes other than
@racket['raw] must not be @racket[free]d, since those modes allocate
memory that is managed by the garbage collector.}
@defproc[(end-stubborn-change [cptr cpointer?]) void?]{