sched_get_priority_max3p
Get priority limits (realtime)
Usage
#include <sched.h>
int sched_get_priority_max(int policy); int sched_get_priority_min(int policy);
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.
Overview
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.