HP-UX Reference (11i v2 07/12) - 2 System Calls (vol 5)

pset_assign(2) pset_assign(2)

* Initialize spu and new_pset first.

* spu identifies the processor to be reassigned, whereas

* new_pset identifies the target processor set.

if ((ret = pset_assign(new_pset, spu, &old_pset)) < 0) {

perror("pset_assign");

exit(1);

}

RETURN VALUE

pset_assign returns zero on successful completion. Otherwise, -1 is returned and

errno is set to indi-

cate the error.

ERRORS

pset_assign fails if one or more of the following is true:

[EBUSY] The processor set currently assigned to the processor spu has active threads and processes,

and the processor set attributes do not allow this operation.

[EFAULT] The memory location pointed to by opset is not writable by the user.

[EINTR] The operation was interrupted.

[EINVAL] The processor spu or processor set pset is not valid.

[EINVAL] The spu is not enabled.

[EINVAL] The memory location pointed to by opset is

NULL

, and the PS_QUERY operation is

requested.

[ENOSYS] The processor set functionality is not supported by the underlying HP-UX version.

[EPERM] The user does not have necessary permissions to assign spu to pset.