pthread_attr_getsched

Obtains the scheduling policy attribute of the specified thread attributes object.

Syntax

pthread_attr_getsched( attr );

Argument Data Type Access

attr opaque pthread_attr_t read

C Binding

int
pthread_attr_getsched (
pthread_attr_t attr);

Arguments

attr: Thread 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 argument. 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 Successful completion. attribute -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.