GETCPUID(3C) Standard C Library Functions GETCPUID(3C)
NAME
getcpuid, gethomelgroup - obtain information on scheduling decisions
SYNOPSIS
#include <sys/processor.h>
processorid_t getcpuid(
void);
ushort_t gethomelgroup(
void);
DESCRIPTION
The
getcpuid() function returns the processor ID on which the calling
thread is currently executing.
The
gethomelgroup() function returns the home locality group ID of
the calling thread.
RETURN VALUES
See
DESCRIPTION.
ERRORS
No errors are defined.
USAGE
Both the current CPU and the home locality group can change at any
time.
ATTRIBUTES
See
attributes(7) for descriptions of the following attributes:
+--------------------+-----------------------+
| ATTRIBUTE TYPE | ATTRIBUTE VALUE |
+--------------------+-----------------------+
|Interface Stability |
getcpuid() is Stable; |
| |
gethomelgroup() is |
| | Obsolete. |
+--------------------+-----------------------+
|MT-Level | MT-Safe |
+--------------------+-----------------------+
SEE ALSO
meminfo(2),
p_online(2),
processor_bind(2),
processor_info(2),
pset_assign(2),
pset_bind(2),
pset_info(2),
sysconf(3C),
lgrp_home(3LGRP),
attributes(7),
psradm(8),
psrinfo(8),
psrset(8)NOTES
The
gethomelgroup() function is obsolete and might be removed in a
future release. It has been replaced by
lgrp_home(3LGRP).
April 16, 2003 GETCPUID(3C)
