Linux 2.6 - man page for sched_getcpu (linux section 3)
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SCHED_GETCPU(3) Linux Programmer's Manual SCHED_GETCPU(3)
sched_getcpu - determine CPU on which the calling thread is running
Feature Test Macro Requirements for glibc (see feature_test_macros(7)):
Since glibc 2.14:
Before glibc 2.14:
_BSD_SOURCE || _SVID_SOURCE
/* _GNU_SOURCE also suffices */
sched_getcpu() returns the number of the CPU on which the calling thread is currently exe-
On success, sched_getcpu() returns a nonnegative CPU number. On error, -1 is returned and
errno is set to indicate the error.
ENOSYS This kernel does not implement getcpu(2).
This function is available since glibc 2.6.
sched_getcpu() is glibc specific.
cpu = sched_getcpu();
is equivalent to the following getcpu(2) call:
int c, s;
s = getcpu(&c, NULL, NULL);
cpu = (s == -1) ? s : c;
This page is part of release 3.55 of the Linux man-pages project. A description of the
project, and information about reporting bugs, can be found at
Linux 2013-04-17 SCHED_GETCPU(3)
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