.\" Automatically generated by Pandoc 2.9.2.1
.\"
.TH "" "" "2023-05-26" "PMDK - " "PMDK Programmer's Manual"
.hy
.\" SPDX-License-Identifier: BSD-3-Clause
.\" Copyright 2020, Intel Corporation
.SH NAME
.PP
\f[B]pmem2_config_set_sharing\f[R]() - set sharing in the pmem2_config
structure
.SH SYNOPSIS
.IP
.nf
\f[C]
#include <libpmem2.h>

struct pmem2_config;
enum pmem2_sharing_type {
    PMEM2_SHARED,
    PMEM2_PRIVATE,
};
int pmem2_config_set_sharing(struct pmem2_config *config, enum pmem2_sharing_type sharing);
\f[R]
.fi
.SH DESCRIPTION
.PP
The \f[B]pmem2_config_set_sharing\f[R]() function configures the
behavior and visibility of writes to the mapping\[cq]s pages.
The possible values are listed below:
.IP \[bu] 2
\f[B]PMEM2_SHARED\f[R] - Writes are made directly to the underlying
memory, making them visible to other mappings of the same memory region.
(default)
.IP \[bu] 2
\f[B]PMEM2_PRIVATE\f[R] - Writes do not affect the underlying memory and
are not visible to other mappings of the same memory region.
.SH RETURN VALUE
.PP
The \f[B]pmem2_config_set_sharing\f[R]() function returns 0 on success
or a negative error code on failure.
.SH ERRORRS
.PP
The \f[B]pmem2_config_set_sharing\f[R]() can fail with the following
errors:
.IP \[bu] 2
\f[B]PMEM2_E_INVALID_SHARING_VALUE\f[R] - \f[I]sharing\f[R] value is
invalid.
.SH SEE ALSO
.PP
\f[B]libpmem2\f[R](7), \f[B]pmem2_config_new\f[R](3),
\f[B]pmem2_map_new\f[R](3), \f[B]sysconf\f[R](3) and
\f[B]<https://pmem.io>\f[R]