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authorOlivier Houchard <cognet@FreeBSD.org>2016-11-28 20:22:32 +0000
committerOlivier Houchard <cognet@FreeBSD.org>2016-11-28 20:22:32 +0000
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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 April 7, 2013
-.Dt ck_pr_fas 3
-.Sh NAME
-.Nm ck_pr_fas_ptr ,
-.Nm ck_pr_fas_double ,
-.Nm ck_pr_fas_char ,
-.Nm ck_pr_fas_uint ,
-.Nm ck_pr_fas_int ,
-.Nm ck_pr_fas_64 ,
-.Nm ck_pr_fas_32 ,
-.Nm ck_pr_fas_16 ,
-.Nm ck_pr_fas_8
-.Nd atomic swap operations
-.Sh LIBRARY
-Concurrency Kit (libck, \-lck)
-.Sh SYNOPSIS
-.In ck_pr.h
-.Ft void *
-.Fn ck_pr_fas_ptr "void *target" "void *new_value"
-.Ft double
-.Fn ck_pr_fas_double "double *target" "double new_value"
-.Ft char
-.Fn ck_pr_fas_char "char *target" "char new_value"
-.Ft unsigned int
-.Fn ck_pr_fas_uint "unsigned int *target" "unsigned int new_value"
-.Ft int
-.Fn ck_pr_fas_int "int *target" "int new_value"
-.Ft uint64_t
-.Fn ck_pr_fas_64 "uint64_t *target" "uint64_t new_value"
-.Ft uint32_t
-.Fn ck_pr_fas_32 "uint32_t *target" "uint32_t new_value"
-.Ft uint16_t
-.Fn ck_pr_fas_16 "uint16_t *target" "uint16_t new_value"
-.Ft uint8_t
-.Fn ck_pr_fas_8 "uint8_t *target" "uint8_t new_value"
-.Sh DESCRIPTION
-The
-.Fn ck_pr_fas 3
-family of functions atomically fetch the value pointed to
-by
-.Fa target
-and replace the value pointed to by
-.Fa target
-with the value specified by
-.Fa new_value .
-.Sh RETURN VALUES
-This function returns the value pointed to by
-.Fa target
-at the time of operation invocation before it was
-atomically replaced with
-.Fa new_value .
-.Sh SEE ALSO
-.Xr ck_pr_fence_load 3 ,
-.Xr ck_pr_fence_load_depends 3 ,
-.Xr ck_pr_fence_store 3 ,
-.Xr ck_pr_fence_memory 3 ,
-.Xr ck_pr_load 3 ,
-.Xr ck_pr_store 3 ,
-.Xr ck_pr_faa 3 ,
-.Xr ck_pr_inc 3 ,
-.Xr ck_pr_dec 3 ,
-.Xr ck_pr_neg 3 ,
-.Xr ck_pr_not 3 ,
-.Xr ck_pr_add 3 ,
-.Xr ck_pr_sub 3 ,
-.Xr ck_pr_and 3 ,
-.Xr ck_pr_or 3 ,
-.Xr ck_pr_xor 3 ,
-.Xr ck_pr_cas 3 ,
-.Xr ck_pr_btc 3 ,
-.Xr ck_pr_bts 3 ,
-.Xr ck_pr_btr 3
-.Pp
-Additional information available at http://concurrencykit.org/