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.\"
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.\" Copyright 2013 Samy Al Bahra.
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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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.\" 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 October 18, 2013
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.Dt CK_ARRAY_PUT_UNIQUE 3
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.Sh NAME
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.Nm ck_array_put_unique
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.Nd attempt immediate or deferred insertion of a unique pointer into array
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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_array.h
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.Ft int
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.Fn ck_array_put_unique "ck_array_t *array" "void *pointer"
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.Sh DESCRIPTION
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The
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.Fn ck_array_put_unique 3
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function will attempt to insert the value of
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.Fa pointer
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into the array pointed to by
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.Fa array .
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This function may incur additional memory allocations
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if not enough memory has been allocated in the array
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for a new entry. The operation is also free to apply
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the operation immediately if there is an opportunity
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for elimination with a pending (uncommitted) remove
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operation. The function will not make any modifications
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if the pointer already exists in the array.
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.Sh RETURN VALUES
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This function returns 1 if the pointer already exists in the array.
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It returns 0 if the put operation succeeded. It returns -1 on
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error due to internal memory allocation failures.
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.Sh SEE ALSO
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.Xr ck_array_init 3 ,
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.Xr ck_array_commit 3 ,
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.Xr ck_array_put 3 ,
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.Xr ck_array_remove 3 ,
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.Xr ck_array_deinit 3
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.Xr ck_array_length 3 ,
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.Xr ck_array_buffer 3 ,
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.Xr ck_array_initialized 3 ,
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.Xr CK_ARRAY_FOREACH 3
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.Pp
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Additional information available at http://concurrencykit.org/
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