pthread_attr_getsched(3) — Subroutines
Digital
NAME
pthread_attr_getsched − Obtains the value of the scheduling policy attribute in the specified thread attributes object.
SYNOPSIS
#include <pthread.h>
int pthread_attr_getsched(
pthread_attr_t attr );
PARAMETERS
attrThread attributes object whose scheduling policy attribute is obtained.
DESCRIPTION
This routine obtains the scheduling policy of threads created using the thread attributes object specified by the attr parameter. The default value of the scheduling attribute is SCHED_OTHER.
RETURN VALUES
On successful completion, this routine returns the value of the scheduling policy attribute.
If an error condition occurs, this routine returns −1 and sets errno to the corresponding error value. Possible return values are as follows:
| Return | Error | Description |
| Scheduling policy attribute | Successful completion. | |
| −1 | [EINVAL] | The value specified by attr is invalid. |
| −1 | [ESRCH] | The value specified by attr does not refer to an existing thread attributes object. |
RELATED INFORMATION
pthread_attr_create(3), pthread_attr_setsched(3), pthread_create(3)