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87 lines
2.9 KiB
87 lines
2.9 KiB
10 years ago
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.\"
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.\" Copyright 2014 Samy Al Bahra.
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.\" Copyright 2014 Backtrace I/O, Inc.
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.\" All rights reserved.
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.\"
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.\" Redistribution and use in source and binary forms, with or without
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.\" modification, are permitted provided that the following conditions
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.\" are met:
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.\" 1. Redistributions of source code must retain the above copyright
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.\" notice, this list of conditions and the following disclaimer.
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.\" 2. Redistributions in binary form must reproduce the above copyright
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.\" notice, this list of conditions and the following disclaimer in the
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.\" documentation and/or other materials provided with the distribution.
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.\"
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.\" THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
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.\" ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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.\" IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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.\" ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
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.\" FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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.\" DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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.\" OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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.\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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.\" LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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.\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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.\" SUCH DAMAGE.
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.\"
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.\"
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.Dd September 1, 2014
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.Dt CK_HS_APPLY 3
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.Sh NAME
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.Nm ck_hs_apply
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.Nd apply a function to hash set value
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.Sh LIBRARY
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Concurrency Kit (libck, \-lck)
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.Sh SYNOPSIS
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.In ck_hs.h
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.Ft void *
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.Fn ck_hs_apply_fn_t "void *key" "void *closure"
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.Ft bool
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.Fn ck_hs_apply "ck_hs_t *hs" "unsigned long hash" "const void *key" "ck_hs_apply_fn_t *function" "void *argument"
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.Sh DESCRIPTION
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The
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.Fn ck_hs_apply 3
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function will lookup the hash set slot associated with
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.Fa key
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and pass it to function pointed to by
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.Fa function
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for further action. This callback may remove or replace
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the value by respectively returning NULL or a pointer to
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another object with an identical key. The first argument
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passed to
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.Fa function
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is a pointer to the object found in the hash set and
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the second argument is the
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.Fa argument
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pointer passed to
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.Fn ck_hs_apply 3 .
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If the pointer returned by
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.Fa function
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is equivalent to the first argument then no modification
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is made to the hash set.
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.Sh RETURN VALUES
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Upon successful completion,
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.Fn ck_hs_apply 3
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returns true and otherwise returns false on failure.
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.Sh SEE ALSO
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.Xr ck_hs_init 3 ,
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.Xr ck_hs_move 3 ,
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.Xr ck_hs_destroy 3 ,
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.Xr ck_hs_fas 3 ,
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.Xr CK_HS_HASH 3 ,
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.Xr ck_hs_iterator_init 3 ,
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.Xr ck_hs_next 3 ,
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.Xr ck_hs_get 3 ,
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.Xr ck_hs_put 3 ,
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.Xr ck_hs_put_unique 3 ,
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.Xr ck_hs_remove 3 ,
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.Xr ck_hs_grow 3 ,
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.Xr ck_hs_rebuild 3 ,
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.Xr ck_hs_gc 3 ,
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.Xr ck_hs_count 3 ,
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.Xr ck_hs_reset 3 ,
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.Xr ck_hs_reset_size 3 ,
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.Xr ck_hs_stat 3
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.Pp
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Additional information available at http://concurrencykit.org/
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