Hardware Locality (hwloc): shmem.h Source File

Hardware Locality (hwloc) 2.9.2

shmem.h
1/*
2 * Copyright © 2013-2023 Inria. All rights reserved.
3 * See COPYING in top-level directory.
4 */
5
10#ifndef HWLOC_SHMEM_H
11#define HWLOC_SHMEM_H
12
13#include "hwloc.h"
14
15#ifdef __cplusplus
16extern "C" {
17#elif 0
18}
19#endif
20
21
55HWLOC_DECLSPEC int hwloc_shmem_topology_get_length(hwloc_topology_t topology,
56 size_t *lengthp,
57 unsigned long flags);
58
85HWLOC_DECLSPEC int hwloc_shmem_topology_write(hwloc_topology_t topology,
86 int fd, hwloc_uint64_t fileoffset,
87 void *mmap_address, size_t length,
88 unsigned long flags);
89
130HWLOC_DECLSPEC int hwloc_shmem_topology_adopt(hwloc_topology_t *topologyp,
131 int fd, hwloc_uint64_t fileoffset,
132 void *mmap_address, size_t length,
133 unsigned long flags);
137#ifdef __cplusplus
138} /* extern "C" */
139#endif
140
141
142#endif /* HWLOC_SHMEM_H */
hwloc_topology_t
struct hwloc_topology * hwloc_topology_t
Topology context.
Definition: hwloc.h:716
hwloc_shmem_topology_adopt
int hwloc_shmem_topology_adopt(hwloc_topology_t *topologyp, int fd, hwloc_uint64_t fileoffset, void *mmap_address, size_t length, unsigned long flags)
Adopt a shared memory topology stored in a file.
hwloc_shmem_topology_write
int hwloc_shmem_topology_write(hwloc_topology_t topology, int fd, hwloc_uint64_t fileoffset, void *mmap_address, size_t length, unsigned long flags)
Duplicate a topology to a shared memory file.
hwloc_shmem_topology_get_length
int hwloc_shmem_topology_get_length(hwloc_topology_t topology, size_t *lengthp, unsigned long flags)
Get the required shared memory length for storing a topology.