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.\"
.\" Copyright 2013 Samy Al Bahra.
.\" All rights reserved.
.\"
.\" Redistribution and use in source and binary forms, with or without
.\" modification, are permitted provided that the following conditions
.\" are met:
.\" 1. Redistributions of source code must retain the above copyright
.\" notice, this list of conditions and the following disclaimer.
.\" 2. Redistributions in binary form must reproduce the above copyright
.\" notice, this list of conditions and the following disclaimer in the
.\" documentation and/or other materials provided with the distribution.
.\"
.\" THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
.\" ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
.\" IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
.\" ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
.\" FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
.\" DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
.\" OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
.\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
.\" LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
.\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
.\" SUCH DAMAGE.
.\"
.\"
.Dd July 18, 2013
.Dt CK_RHS_MOVE 3
.Sh NAME
.Nm ck_rhs_move
.Nd move one from hash set to another
.Sh LIBRARY
Concurrency Kit (libck, \-lck)
.Sh SYNOPSIS
.In ck_rhs.h
.Ft bool
.Fn ck_rhs_move "ck_rhs_t *destination" "ck_rhs_t *source" "ck_rhs_hash_cb_t *hash_cb" "ck_rhs_compare_cb_t *compare_cb" "struct ck_malloc *m"
.Sh DESCRIPTION
The
.Fn ck_rhs_move 3
function will initialize
.Fa source
from
.Fa destination .
The hash function is set to
.Fa hash_cb ,
comparison function to
.Fa compare_cb
and the allocator callbacks to
.Fa m .
Further modifications to
.Fa source
will result in undefined behavior. Concurrent
.Xr ck_rhs_get 3
and
.Xr ck_rhs_fas 3
operations to
.Fa source
are legal until the next write operation to
.Fa destination .
.Pp
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.
.Sh RETURN VALUES
Upon successful completion
.Fn ck_rhs_move 3
returns true and otherwise returns false to indicate an error.
.Sh SEE ALSO
.Xr ck_rhs_init 3 ,
.Xr ck_rhs_destroy 3 ,
.Xr CK_RHS_HASH 3 ,
.Xr ck_rhs_iterator_init 3 ,
.Xr ck_rhs_next 3 ,
.Xr ck_rhs_put 3 ,
.Xr ck_rhs_put_unique 3 ,
.Xr ck_rhs_set 3 ,
.Xr ck_rhs_fas 3 ,
.Xr ck_rhs_remove 3 ,
.Xr ck_rhs_grow 3 ,
.Xr ck_rhs_rebuild 3 ,
.Xr ck_rhs_gc 3 ,
.Xr ck_rhs_count 3 ,
.Xr ck_rhs_reset 3 ,
.Xr ck_rhs_reset_size 3 ,
.Xr ck_rhs_stat 3
.Pp
Additional information available at http://concurrencykit.org/
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