Manual Section... (3) - page: sched_getcpu
NAMEsched_getcpu - determine CPU on which the calling thread is running
#define _GNU_SOURCE #include <sched.h> int sched_getcpu(void);
Feature Test Macro Requirements for glibc (see feature_test_macros(7)):
DESCRIPTIONsched_getcpu() returns the number of the CPU on which the calling thread is currently executing.
RETURN VALUEOn success, sched_getcpu() returns a nonnegative CPU number. On error, -1 is returned and errno is set to indicate the error.
- This kernel does not implement getcpu(2).
VERSIONSThis function is available since glibc 2.6.
CONFORMING TOsched_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;
COLOPHONThis page is part of release 3.24 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/.
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Time: 15:26:53 GMT, June 11, 2010