sched_get_priority_max(3) Library Functions Manual sched_get_priority_max(3)
NAME
sched_get_priority_max, sched_get_priority_min - Returns the maximum or minimum priority for the specified scheduling policy (P1003.1b)
LIBRARY
Realtime Library (librt.so, librt.a)
SYNOPSIS
#include <sched.h>
int sched_get_priority_max (
int policy);
int sched_get_priority_min (
int policy);
PARAMETERS
policy Specifies one of the scheduling policies as defined in <sched.h>.
DESCRIPTION
The sched_get_priority_max and sched_get_priority_min functions return the maximum or minimum priority for the specified scheduling policy.
The value of the policy argument must be one of the scheduling policies (SCHED_FIFO, SCHED_RR, or SCHED_OTHER), as defined in <sched.h>.
No special privileges are needed to use the sched_get_priority_max and sched_get_priority_min functions.
RETURN VALUES
On a successful call, the requested value is returned. If a call fails to complete successfully, a value of -1 is returned, and errno is
set to indicate the error.
ERRORS
The sched_get_priority_max and sched_get_priority_min functions fail under the following condition:
[EINVAL] The value of the policy argument does not represent a defined scheduling policy.
RELATED INFORMATION
Functions: sched_getparam(3), sched_getscheduler(3), sched_setparam(3), sched_setscheduler(3)
Guide to Realtime Programming delim off
sched_get_priority_max(3)
