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* Clarify in the dedup pool comments that all bytes of elements are compared.
* pub_core_options.h : remove old/misplaced comment for clo_trace_children
                       and replace by a more clear comment (matching the --help)


git-svn-id: svn://svn.valgrind.org/valgrind/trunk@14704
This commit is contained in:
Philippe Waroquiers
2014-11-07 22:16:27 +00:00
parent 409c042298
commit 993eded14d
2 changed files with 10 additions and 3 deletions
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11
include/pub_tool_deduppoolalloc.h
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@@ -94,12 +94,19 @@ extern DedupPoolAlloc* VG_(newDedupPA) ( SizeT poolSzB,
void (*free_fn)(void*) );
/* Allocates a new element from ddpa with eltSzB bytes to store elt.
This function never returns NULL. */
This function never returns NULL.
If ddpa already contains an element equal to elt, then the address of
the already existing element is returned.
Equality between elements is done by comparing all bytes.
So, if void *elt points to a struct, be sure to initialise all components
and the holes between components. */
extern const void* VG_(allocEltDedupPA) (DedupPoolAlloc *ddpa,
SizeT eltSzB, const void *elt);
/* Allocates a new (fixed size) element from ddpa. Returns the
unique number identifying this element. This function never returns NULL. */
unique number identifying this element. This function never returns NULL.
Similarly to VG_(allocEltDedupPA), this will return the unique number
of an already existing identical element to elt. */
extern UInt VG_(allocFixedEltDedupPA) (DedupPoolAlloc *ddpa,
SizeT eltSzB, const void *elt);