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pset_info (2)
  • >> pset_info (2) ( Solaris man: Системные вызовы )
  •  

    NAME

    pset_info - get information about a processor set
     
    

    SYNOPSIS

    #include <sys/pset.h>
    
    int pset_info(psetid_t pset, int *type, uint_t *numcpus,
        processorid_t *cpulist);
    

     

    DESCRIPTION

    The pset_info() function returns information on the processor set pset.

    If type is non-null, then on successful completion the type of the processor set will be stored in the location pointed to by type. The only type supported for active processor sets is PS_PRIVATE.

    If numcpus is non-null, then on successful completion the number of processors in the processor set will be stored in the location pointed to by numcpus.

    If numcpus and cpulist are both non-null, then cpulist points to a buffer where a list of processors assigned to the processor set is to be stored, and numcpus points to the maximum number of processor IDs the buffer can hold. On successful completion, the list of processors up to the maximum buffer size is stored in the buffer pointed to by cpulist.

    If pset is PS_NONE, the list of processors not assigned to any processor set will be stored in the buffer pointed to by cpulist, and the number of such processors will be stored in the location pointed to by numcpus. The location pointed to by type will be set to PS_NONE.

    If pset is PS_MYID, the processor list and number of processors returned will be those of the processor set to which the caller is bound. If the caller is not bound to a processor set, the result will be equivalent to setting pset to PS_NONE.  

    RETURN VALUES

    Upon successful completion, 0 is returned. Otherwise, -1 is returned and errno is set to indicate the error.  

    ERRORS

    The pset_info() function will fail if:

    EFAULT

    The location pointed to by type, numcpus, or cpulist was not null and not writable by the user.

    EINVAL

    An invalid processor set ID was specified.

    The caller is in a non-global zone, the pools facility is active, and the processor is not a member of the zone's pool's processor set.

     

    ATTRIBUTES

    See attributes(5) for descriptions of the following attributes:

    ATTRIBUTE TYPEATTRIBUTE VALUE

    Interface StabilityStable

    MT-Level

     

    SEE ALSO

    pooladm(1M), psrinfo(1M), psrset(1M), zoneadm(1M), processor_info(2), pset_assign(2), pset_bind(2), pset_create(2), pset_destroy(2), pset_getloadavg(3C), attributes(5)  

    NOTES

    The processor set of type PS_SYSTEM is no longer supported.


     

    Index

    NAME
    SYNOPSIS
    DESCRIPTION
    RETURN VALUES
    ERRORS
    ATTRIBUTES
    SEE ALSO
    NOTES


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