sched_get_priority_max(3p) - phpMan

SCHED_GET_PRIORITY_MAX(P)                            SCHED_GET_PRIORITY_MAX(P)



NAME
       sched_get_priority_max, sched_get_priority_min - get priority limits (REALTIME)

SYNOPSIS
       #include <sched.h>

       int sched_get_priority_max(int policy);
       int sched_get_priority_min(int policy);


DESCRIPTION
       The  sched_get_priority_max()  and  sched_get_priority_min() functions shall return
       the appropriate maximum or minimum, respectively, for the scheduling policy  speci-
       fied by policy.

       The  value  of  policy  shall  be  one  of  the scheduling policy values defined in
       <sched.h>.

RETURN VALUE
       If successful, the sched_get_priority_max() and sched_get_priority_min()  functions
       shall return the appropriate maximum or minimum values, respectively. If unsuccess-
       ful, they shall return a value of -1 and set errno to indicate the error.

ERRORS
       The sched_get_priority_max() and sched_get_priority_min() functions shall fail if:

       EINVAL The value of the policy parameter does not represent  a  defined  scheduling
              policy.


       The following sections are informative.

EXAMPLES
       None.

APPLICATION USAGE
       None.

RATIONALE
       None.

FUTURE DIRECTIONS
       None.

SEE ALSO
       sched_getparam()  ,  sched_setparam()  , sched_getscheduler() , sched_rr_get_inter-
       val() , sched_setscheduler() , the Base Definitions volume of IEEE Std 1003.1-2001,
       <sched.h>

COPYRIGHT
       Portions of this text are reprinted and reproduced in electronic form from IEEE Std
       1003.1, 2003 Edition, Standard for Information  Technology  --  Portable  Operating
       System Interface (POSIX), The Open Group Base Specifications Issue 6, Copyright (C)
       2001-2003 by the Institute of Electrical and Electronics  Engineers,  Inc  and  The
       Open  Group.  In the event of any discrepancy between this version and the original
       IEEE and The Open Group Standard, the original IEEE and The Open Group Standard  is
       the   referee   document.   The   original  Standard  can  be  obtained  online  at
       http://www.opengroup.org/unix/online.html .



POSIX                                2003            SCHED_GET_PRIORITY_MAX(P)

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