Интерактивная система просмотра системных руководств (man-ов) sched_getcpu (3) >> sched_getcpu ( Linux man: Библиотечные вызовы )
NAME
sched_getcpu - determine CPU on which the calling thread is running
SYNOPSIS
#define _GNU_SOURCE
#include <utmpx.h >
int sched_getcpu(void);
Feature Test Macro Requirements for glibc (see
feature_test_macros
sched_getcpu ():
_BSD_SOURCE || _SVID_SOURCE
DESCRIPTION
sched_getcpu ()
returns the number of the CPU on which the calling thread is currently executing.
RETURN VALUE
On success,
sched_getcpu ()
returns a non-negative CPU number.
On error, -1 is returned and
errno
is set to indicate the error.
ERRORS
ENOSYS
This kernel does not implement
getcpu
VERSIONS
This function is available since glibc 2.6.
CONFORMING TO
sched_getcpu ()
is glibc specific.
NOTES
The call
cpu = sched_getcpu();
is equivalent to the following
getcpu
int c, s;
s = getcpu(&c, NULL, NULL);
cpu = (s == -1) ? s : c;
SEE ALSO
getcpu
COLOPHON
This page is part of release 3.14 of the Linux
man-pages
project.
A description of the project,
and information about reporting bugs,
can be found at
http://www.kernel.org/doc/man-pages/.
Index
NAME
SYNOPSIS
DESCRIPTION
RETURN VALUE
ERRORS
VERSIONS
CONFORMING TO
NOTES
SEE ALSO
COLOPHON
