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Man Pages


Manual Reference Pages  -  CK_HS_PUT_UNIQUE (3)

NAME

ck_hs_put_unique - unconditionally store unique key into a hash set

CONTENTS

Library
Synopsis
Description
Return Values
Errors
See Also

LIBRARY

Concurrency Kit (libck, -lck)

SYNOPSIS


.In ck_hs.h bool ck_hs_put_unique ck_hs_t *hs unsigned long hash const void *key

DESCRIPTION

The ck_hs_put_unique 3 function will store the key specified by the key argument in the hash set pointed to by the hs argument. The key specified by key is expected to have the hash value specified by the hash argument (which was previously generated using the CK_HS_HASH(3) macro).

If the call to ck_hs_put 3 was successful then the key specified by key was successfully stored in the hash set pointed to by hs. The function will cause undefined behavior if a key with an equivalent value is already present in the hash set. For replacement semantics, please see the ck_hs_set(3) function.

RETURN VALUES

Upon successful completion, ck_hs_put_unique 3 returns true and otherwise returns false on failure.

ERRORS

Behavior is undefined if key or hs are uninitialized. The function will also return false if the hash set could not be enlarged to accomodate key insertion. The function will result in undefined behavior if called for an already inserted key value.

SEE ALSO

ck_hs_init(3), ck_hs_move(3), ck_hs_destroy(3), CK_HS_HASH(3), ck_hs_iterator_init(3), ck_hs_next(3), ck_hs_get(3), ck_hs_put(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/

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