Hardware Locality (hwloc): linux.h Source File

Hardware Locality (hwloc) 2.6.0

linux.h
1 /*
2 * Copyright © 2009 CNRS
3 * Copyright © 2009-2021 Inria. All rights reserved.
4 * Copyright © 2009-2011 Université Bordeaux
5 * See COPYING in top-level directory.
6 */
7
15 #ifndef HWLOC_LINUX_H
16 #define HWLOC_LINUX_H
17
18 #include "hwloc.h"
19
20 #include <stdio.h>
21
22
23 #ifdef __cplusplus
24 extern "C" {
25 #endif
26
27
44 HWLOC_DECLSPEC int hwloc_linux_set_tid_cpubind(hwloc_topology_t topology, pid_t tid, hwloc_const_cpuset_t set);
45
58 HWLOC_DECLSPEC int hwloc_linux_get_tid_cpubind(hwloc_topology_t topology, pid_t tid, hwloc_cpuset_t set);
59
68 HWLOC_DECLSPEC int hwloc_linux_get_tid_last_cpu_location(hwloc_topology_t topology, pid_t tid, hwloc_bitmap_t set);
69
77 HWLOC_DECLSPEC int hwloc_linux_read_path_as_cpumask(const char *path, hwloc_bitmap_t set);
78
82 #ifdef __cplusplus
83 } /* extern "C" */
84 #endif
85
86
87 #endif /* HWLOC_LINUX_H */
hwloc_const_cpuset_t
hwloc_const_bitmap_t hwloc_const_cpuset_t
A non-modifiable hwloc_cpuset_t.
Definition: hwloc.h:142
hwloc_cpuset_t
hwloc_bitmap_t hwloc_cpuset_t
A CPU set is a bitmap whose bits are set according to CPU physical OS indexes.
Definition: hwloc.h:140
hwloc_topology_t
struct hwloc_topology * hwloc_topology_t
Topology context.
Definition: hwloc.h:692
hwloc_bitmap_t
struct hwloc_bitmap_s * hwloc_bitmap_t
Set of bits represented as an opaque pointer to an internal bitmap.
Definition: bitmap.h:68
hwloc_linux_set_tid_cpubind
int hwloc_linux_set_tid_cpubind(hwloc_topology_t topology, pid_t tid, hwloc_const_cpuset_t set)
Bind a thread tid on cpus given in cpuset set.
hwloc_linux_get_tid_last_cpu_location
int hwloc_linux_get_tid_last_cpu_location(hwloc_topology_t topology, pid_t tid, hwloc_bitmap_t set)
Get the last physical CPU where thread tid ran.
hwloc_linux_get_tid_cpubind
int hwloc_linux_get_tid_cpubind(hwloc_topology_t topology, pid_t tid, hwloc_cpuset_t set)
Get the current binding of thread tid.
hwloc_linux_read_path_as_cpumask
int hwloc_linux_read_path_as_cpumask(const char *path, hwloc_bitmap_t set)
Convert a linux kernel cpumask file path into a hwloc bitmap set.