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CK_HS_MOVE(3) FreeBSD Library Functions Manual CK_HS_MOVE(3)

ck_hs_move
move one from hash set to another

Concurrency Kit (libck, -lck)

#include <ck_hs.h>
bool
ck_hs_move(ck_hs_t *destination, ck_hs_t *source, ck_hs_hash_cb_t *hash_cb, ck_hs_compare_cb_t *compare_cb, struct ck_malloc *m);

The ck_hs_move(3) function will initialize source from destination. The hash function is set to hash_cb, comparison function to compare_cb and the allocator callbacks to m. Further modifications to source will result in undefined behavior. Concurrent ck_hs_get(3) and ck_hs_fas(3) operations to source are legal until the next write operation to destination.
This operation moves ownership from one hash set object to another and re-assigns callback functions to developer-specified values. This allows for dynamic configuration of allocation callbacks and is necessary for use-cases involving executable code which may be unmapped underneath the hash set.

Upon successful completion ck_hs_move(3) returns true and otherwise returns false to indicate an error.

ck_hs_init(3), ck_hs_destroy(3), CK_HS_HASH(3), ck_hs_iterator_init(3), ck_hs_next(3), ck_hs_put(3), ck_hs_put_unique(3), ck_hs_set(3), ck_hs_fas(3), ck_hs_remove(3), ck_hs_grow(3), ck_hs_rebuild(3), ck_hs_gc(3), ck_hs_count(3), ck_hs_reset(3), ck_hs_reset_size(3), ck_hs_stat(3)
Additional information available at http://concurrencykit.org/
July 18, 2013

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