SCHED_GET_PRIORITY_MAX(P) POSIX Programmer's Manual 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 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_prior‐
ity_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 ALSOsched_getparam() , sched_setparam() , sched_getscheduler() ,
sched_rr_get_interval() , 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 .
IEEE/The Open Group 2003 SCHED_GET_PRIORITY_MAX(P)
