sched_get_priority_max man page

Prolog

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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.

See Also

sched_getparam(), sched_setparam(), sched_getscheduler(), sched_rr_get_interval(), sched_setscheduler()

The Base Definitions volume of POSIX.1‐2008, <sched.h>

Info

2013 IEEE/The Open Group POSIX Programmer's Manual