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_stat

76 lines
2.5 KiB

.\"
.\" 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_STAT 3
.Sh NAME
.Nm ck_hs_stat
.Nd get hash set status
.Sh LIBRARY
Concurrency Kit (libck, \-lck)
.Sh SYNOPSIS
.In ck_hs.h
.Ft void
.Fn ck_hs_stat "ck_hs_t *hs" "struct ck_hs_stat *st"
.Sh DESCRIPTION
The
.Fn ck_hs_stat 3
function will store various hash set statistics in
the object pointed to by
.Fa st .
The ck_hs_stat structure is defined as follows:
.Bd -literal -offset indent
struct ck_hs_stat {
unsigned long tombstones; /* Current number of tombstones in hash set. */
unsigned long n_entries; /* Current number of keys in hash set. */
unsigned int probe_maximum; /* Longest read-side probe sequence. */
};
.Ed
.Sh RETURN VALUES
.Fn ck_hs_stat 3
has no return value.
.Sh ERRORS
Behavior is undefined if
.Fa hs
is uninitialized. Behavior is
undefined if this function is called by a non-writer
thread.
.Sh SEE ALSO
.Xr ck_hs_init 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_remove 3 ,
.Xr ck_hs_grow 3 ,
.Xr ck_hs_count 3 ,
.Xr ck_hs_reset 3
.Pp
Additional information available at http://concurrencykit.org/