1getcpuid(3C)             Standard C Library Functions             getcpuid(3C)
2
3
4

NAME

6       getcpuid, gethomelgroup - obtain information on scheduling decisions
7

SYNOPSIS

9       #include <sys/processor.h>
10
11       processorid_t getcpuid(void);
12
13
14       ushort_t gethomelgroup(void);
15
16

DESCRIPTION

18       The  getcpuid()  function returns the processor ID on which the calling
19       thread is currently executing.
20
21
22       The gethomelgroup() function returns the home locality group ID of  the
23       calling thread.
24

RETURN VALUES

26       See DESCRIPTION.
27

ERRORS

29       No errors are defined.
30

USAGE

32       Both  the  current  CPU  and  the home locality group can change at any
33       time.
34

ATTRIBUTES

36       See attributes(5) for descriptions of the following attributes:
37
38
39
40
41       ┌─────────────────────────────┬─────────────────────────────┐
42       │      ATTRIBUTE TYPE         │      ATTRIBUTE VALUE        │
43       ├─────────────────────────────┼─────────────────────────────┤
44       │Interface Stability          │getcpuid() is Stable; geth‐  │
45       │                             │omelgroup() is Obsolete.     │
46       ├─────────────────────────────┼─────────────────────────────┤
47       │MT-Level                     │MT-Safe                      │
48       └─────────────────────────────┴─────────────────────────────┘
49

SEE ALSO

51       psradm(1M),  psrinfo(1M),  psrset(1M),  p_online(2), processor_bind(2),
52       processor_info(2),  pset_assign(2),  pset_bind(2),  pset_info(2),  mem‐
53       info(2), lgrp_home(3LGRP), sysconf(3C), attributes(5)
54

NOTES

56       The  gethomelgroup()  function  is  obsolete  and might be removed in a
57       future release. It has been replaced by lgrp_home(3LGRP).
58
59
60
61SunOS 5.11                        16 Apr 2003                     getcpuid(3C)
Impressum