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Portable Hardware Locality (hwloc) Documentation: v2.0.3

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linux.h
1 /*
2  * Copyright © 2009 CNRS
3  * Copyright © 2009-2016 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 #include <stdio.h>
20 
21 
22 #ifdef __cplusplus
23 extern "C" {
24 #endif
25 
26 
43 HWLOC_DECLSPEC int hwloc_linux_set_tid_cpubind(hwloc_topology_t topology, pid_t tid, hwloc_const_cpuset_t set);
44 
53 HWLOC_DECLSPEC int hwloc_linux_get_tid_cpubind(hwloc_topology_t topology, pid_t tid, hwloc_cpuset_t set);
54 
60 HWLOC_DECLSPEC int hwloc_linux_get_tid_last_cpu_location(hwloc_topology_t topology, pid_t tid, hwloc_bitmap_t set);
61 
69 HWLOC_DECLSPEC int hwloc_linux_read_path_as_cpumask(const char *path, hwloc_bitmap_t set);
70 
74 #ifdef __cplusplus
75 } /* extern "C" */
76 #endif
77 
78 
79 #endif /* HWLOC_LINUX_H */
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.
struct hwloc_topology * hwloc_topology_t
Topology context.
Definition: hwloc.h:636
hwloc_const_bitmap_t hwloc_const_cpuset_t
A non-modifiable hwloc_cpuset_t.
Definition: hwloc.h:141
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.
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_bitmap_t hwloc_cpuset_t
A CPU set is a bitmap whose bits are set according to CPU physical OS indexes.
Definition: hwloc.h:139
int hwloc_linux_get_tid_cpubind(hwloc_topology_t topology, pid_t tid, hwloc_cpuset_t set)
Get the current binding of thread tid.
struct hwloc_bitmap_s * hwloc_bitmap_t
Set of bits represented as an opaque pointer to an internal bitmap.
Definition: bitmap.h:67