Hardware Locality (hwloc) 2.2.0

shmem.h
1 /*
2 * Copyright © 2013-2018 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
16 extern "C" {
17 #elif 0
18 }
19 #endif
20
21
53 HWLOC_DECLSPEC int hwloc_shmem_topology_get_length(hwloc_topology_t topology,
54 size_t *lengthp,
55 unsigned long flags);
56
82 HWLOC_DECLSPEC int hwloc_shmem_topology_write(hwloc_topology_t topology,
83 int fd, hwloc_uint64_t fileoffset,
84 void *mmap_address, size_t length,
85 unsigned long flags);
86
125 HWLOC_DECLSPEC int hwloc_shmem_topology_adopt(hwloc_topology_t *topologyp,
126 int fd, hwloc_uint64_t fileoffset,
127 void *mmap_address, size_t length,
128 unsigned long flags);
132 #ifdef __cplusplus
133 } /* extern "C" */
134 #endif
135
136
137 #endif /* HWLOC_SHMEM_H */
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.
hwloc_topology_t
struct hwloc_topology * hwloc_topology_t
Topology context.
Definition: hwloc.h:678
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.