pmem2_config_set_sharing(3)

pmem2_config_set_sharing3

Set sharing in the pmem2_config structure

Usage

#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);

Overview

The pmem2_config_set_sharing() function configures the behavior and visibility of writes to the mapping’s pages. The possible values are listed below:

•

PMEM2_SHARED - Writes are made directly to the underlying memory, making them visible to other mappings of the same memory region. (default)

•

PMEM2_PRIVATE - Writes do not affect the underlying memory and are not visible to other mappings of the same memory region.

Return value

The pmem2_config_set_sharing() function returns 0 on success or a negative error code on failure.

Errorrs

The pmem2_config_set_sharing() can fail with the following errors:

•

PMEM2_E_INVALID_SHARING_VALUE - sharing value is invalid.

Releases

3 releases since Debian 11 (Bullseye); the text changed 2 times.

  1. 11
  2. 12
  3. 13

From libpmem2-dev 1.13.1-1.1+b1 in Debian 13 (Trixie). Parsed by carta from the page's man source.