pthread_attr_getinheritsched

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

Syntax

pthread_attr_getinheritsched( attr );

Argument Data Type Access

attr opaque pthread_attr_t read

C Binding

int
pthread_attr_getinheritsched (
pthread_attr_t attr);

Arguments

attr: Thread attributes object whose inherit scheduling attribute is obtained.

Description

This routine obtains the value of the inherit scheduling attribute in the specified thread attributes object. The inherit scheduling attribute specifies whether threads created using the attributes object inherit the scheduling attributes of the creating thread, or use the scheduling attributes stored in the attributes object that is passed to pthread_create.

The default value of the inherit scheduling attribute is PTHREAD_ INHERIT_SCHED.

Return Values

On successful completion, this routine returns the inherit scheduling attribute value.

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

Inherit scheduling 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.