You can not select more than 25 topics Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
ck/doc/ck_hs_put_unique

97 lines
3.0 KiB

.\"
.\" 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 December 7, 2013
.Dt CK_HS_PUT_UNIQUE 3
.Sh NAME
.Nm ck_hs_put_unique
.Nd unconditionally store unique key into a hash set
.Sh LIBRARY
Concurrency Kit (libck, \-lck)
.Sh SYNOPSIS
.In ck_hs.h
.Ft bool
.Fn ck_hs_put_unique "ck_hs_t *hs" "unsigned long hash" "const void *key"
.Sh DESCRIPTION
The
.Fn ck_hs_put_unique 3
function will store the key specified by the
.Fa key
argument in the hash set pointed to by the
.Fa hs
argument. The key specified by
.Fa key
is expected to have the hash value specified by the
.Fa hash
argument (which was previously generated using the
.Xr CK_HS_HASH 3
macro).
.Pp
If the call to
.Fn ck_hs_put 3
was successful then the key specified by
.Fa key
was successfully stored in the hash set pointed to by
.Fa 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
.Xr ck_hs_set 3
function.
.Sh RETURN VALUES
Upon successful completion,
.Fn ck_hs_put_unique 3
returns true and otherwise returns false on failure.
.Sh ERRORS
Behavior is undefined if
.Fa key
or
.Fa 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.
.Sh SEE ALSO
.Xr ck_hs_init 3 ,
.Xr ck_hs_move 3 ,
.Xr ck_hs_destroy 3 ,
.Xr CK_HS_HASH 3 ,
.Xr ck_hs_iterator_init 3 ,
.Xr ck_hs_next 3 ,
.Xr ck_hs_get 3 ,
.Xr ck_hs_put 3 ,
.Xr ck_hs_set 3 ,
.Xr ck_hs_fas 3 ,
.Xr ck_hs_remove 3 ,
.Xr ck_hs_grow 3 ,
.Xr ck_hs_count 3 ,
.Xr ck_hs_reset 3 ,
.Xr ck_hs_reset_size 3 ,
.Xr ck_hs_stat 3
.Pp
Additional information available at http://concurrencykit.org/