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    Command:

    sched_getcpu

    
    
    

    SYNOPSIS

           #include <sched.h>
    
           int sched_getcpu(void);
    
       Feature Test Macro Requirements for glibc (see feature_test_macros(7)):
    
           sched_getcpu():
               Since glibc 2.14:
                   _GNU_SOURCE
               Before glibc 2.14:
                   _BSD_SOURCE || _SVID_SOURCE
                       /* _GNU_SOURCE also suffices */
    
    
    

    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 nonnegative CPU number.  On error,
           -1 is returned and errno is set to indicate the error.
    
    
    

    ERRORS

           ENOSYS This kernel does not implement getcpu(2).
    
    
    

    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(2) call:
    
               int c, s;
               s = getcpu(&c, NULL, NULL);
               cpu = (s == -1) ? s : c;
    
    
    

    SEE ALSO

           getcpu(2)
    
    
    

    Linux 2013-04-17 SCHED_GETCPU(3)

    
    
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