|
|
|
|
.\"
|
|
|
|
|
.\" Copyright 2012-2013 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 September 17, 2012
|
|
|
|
|
.Dt CK_HS_GET 3
|
|
|
|
|
.Sh NAME
|
|
|
|
|
.Nm ck_hs_get
|
|
|
|
|
.Nd load a key from a hash set
|
|
|
|
|
.Sh LIBRARY
|
|
|
|
|
Concurrency Kit (libck, \-lck)
|
|
|
|
|
.Sh SYNOPSIS
|
|
|
|
|
.In ck_hs.h
|
|
|
|
|
.Ft void *
|
|
|
|
|
.Fn ck_hs_get "ck_hs_t *hs" "unsigned long hash" "const void *key"
|
|
|
|
|
.Sh DESCRIPTION
|
|
|
|
|
The
|
|
|
|
|
.Fn ck_hs_get 3
|
|
|
|
|
will return a pointer to a key in the hash set
|
|
|
|
|
.Fa hs
|
|
|
|
|
that is of equivalent value to the object pointed to by
|
|
|
|
|
.Fa key .
|
|
|
|
|
The key specified by
|
|
|
|
|
.Fa key
|
|
|
|
|
is expected to have the hash value specified by the
|
|
|
|
|
.Fa hash
|
|
|
|
|
argument (which is to have been previously generated using the
|
|
|
|
|
.Xr CK_HS_HASH 3
|
|
|
|
|
macro).
|
|
|
|
|
.Sh RETURN VALUES
|
|
|
|
|
If the provided key is a member of
|
|
|
|
|
.Fa hs
|
|
|
|
|
then a pointer to the key as stored in
|
|
|
|
|
.Fa hs
|
|
|
|
|
is returned. If the key was not found in
|
|
|
|
|
.Fa hs
|
|
|
|
|
then a value of
|
|
|
|
|
.Dv NULL
|
|
|
|
|
is returned.
|
|
|
|
|
.Sh ERRORS
|
|
|
|
|
Behavior is undefined if
|
|
|
|
|
.Fa entry
|
|
|
|
|
or
|
|
|
|
|
.Fa hs
|
|
|
|
|
are uninitialized.
|
|
|
|
|
.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_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/
|
