Hardware Locality (hwloc)  PR-737-20250925.0822.gite8f69c77f
linux.h
1 /*
2  * SPDX-License-Identifier: BSD-3-Clause
3  * Copyright © 2009 CNRS
4  * Copyright © 2009-2023 Inria. All rights reserved.
5  * Copyright © 2009-2011 Université Bordeaux
6  * See COPYING in top-level directory.
7  */
8 
16 #ifndef HWLOC_LINUX_H
17 #define HWLOC_LINUX_H
18 
19 #include "hwloc.h"
20 
21 #include <stdio.h>
22 
23 
24 #ifdef __cplusplus
25 extern "C" {
26 #endif
27 
28 
47 HWLOC_DECLSPEC int hwloc_linux_set_tid_cpubind(hwloc_topology_t topology, pid_t tid, hwloc_const_cpuset_t set);
48 
63 HWLOC_DECLSPEC int hwloc_linux_get_tid_cpubind(hwloc_topology_t topology, pid_t tid, hwloc_cpuset_t set);
64 
75 HWLOC_DECLSPEC int hwloc_linux_get_tid_last_cpu_location(hwloc_topology_t topology, pid_t tid, hwloc_bitmap_t set);
76 
86 HWLOC_DECLSPEC int hwloc_linux_read_path_as_cpumask(const char *path, hwloc_bitmap_t set);
87 
91 #ifdef __cplusplus
92 } /* extern "C" */
93 #endif
94 
95 
96 #endif /* HWLOC_LINUX_H */
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_const_cpuset_t
hwloc_const_bitmap_t hwloc_const_cpuset_t
A non-modifiable hwloc_cpuset_t.
Definition: hwloc.h:164
hwloc_topology_t
struct hwloc_topology * hwloc_topology_t
Topology context.
Definition: hwloc.h:778
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.
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_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_bitmap_t
struct hwloc_bitmap_s * hwloc_bitmap_t
Set of bits represented as an opaque pointer to an internal bitmap.
Definition: bitmap.h:70
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:162