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PROLOG

       This  manual  page  is part of the POSIX Programmer's Manual.  The Linux implementation of
       this interface may differ (consult the corresponding Linux  manual  page  for  details  of
       Linux behavior), or the interface may not be implemented on Linux.

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  specified  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  unsuccessful,  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_interval(),
       sched_setscheduler()

       The Base Definitions volume of POSIX.1‐2017, <sched.h>

COPYRIGHT

       Portions of this text are reprinted and  reproduced  in  electronic  form  from  IEEE  Std
       1003.1-2017,  Standard  for  Information Technology -- Portable Operating System Interface
       (POSIX), The Open Group Base Specifications Issue 7, 2018 Edition, Copyright (C)  2018  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 .

       Any typographical or formatting errors that appear in this page are most  likely  to  have
       been  introduced  during  the conversion of the source files to man page format. To report
       such errors, see https://www.kernel.org/doc/man-pages/reporting_bugs.html .