SCHED_GET_PRIORITY_MAX(3C) Standard C Library Functions

NAME

sched_get_priority_max, sched_get_priority_min - get scheduling
parameter limits

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
return the appropriate maximum or minimum, respectfully, for the
scheduling policy specified by policy.


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

RETURN VALUES

If successful, the sched_get_priority_max() and
sched_get_priority_min() functions return the appropriate maximum or
minimum priority values, respectively. If unsuccessful, they return
-1 and set errno to indicate the error.

ERRORS

The sched_get_priority_max() and sched_get_priority_min() functions
will fail if:

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

ATTRIBUTES

See attributes(7) for descriptions of the following attributes:


+--------------------+-------------------+
| ATTRIBUTE TYPE | ATTRIBUTE VALUE |
+--------------------+-------------------+
|Interface Stability | Committed |
+--------------------+-------------------+
|MT-Level | MT-Safe |
+--------------------+-------------------+
|Standard | See standards(7). |
+--------------------+-------------------+

SEE ALSO

sched_getparam(3C), sched_getscheduler(3C),
sched_rr_get_interval(3C), sched_setparam(3C),
sched_setscheduler(3C), sched.h(3HEAD), time.h(3HEAD), librt(3LIB),
attributes(7), standards(7)

April 1, 2008 SCHED_GET_PRIORITY_MAX(3C)