int
sys__lwp_ctl(struct lwp *l, const struct sys__lwp_ctl_args *uap, register_t *retval)
{
/* {
syscallarg(int) features;
syscallarg(struct lwpctl **) address;
} */
int error, features;
vaddr_t vaddr;
features = SCARG(uap, features);
features &= ~(LWPCTL_FEATURE_CURCPU | LWPCTL_FEATURE_PCTR);
if (features != 0)
return ENODEV;
if ((error = lwp_ctl_alloc(&vaddr)) != 0)
return error;
return copyout(&vaddr, SCARG(uap, address), sizeof(void *));
}
int
netbsd32__lwp_ctl(struct lwp *l, const struct netbsd32__lwp_ctl_args *uap, register_t *retval)
{
/* {
syscallarg(int) features;
syscallarg(netbsd32_pointer_t) address;
} */
netbsd32_pointer_t vaddr32;
int error, features;
vaddr_t vaddr;
features = SCARG(uap, features);
features &= ~(LWPCTL_FEATURE_CURCPU | LWPCTL_FEATURE_PCTR);
if (features != 0)
return ENODEV;
if ((error = lwp_ctl_alloc(&vaddr)) != 0)
return error;
NETBSD32PTR32(vaddr32, (void *)vaddr);
return copyout(&vaddr32, SCARG_P32(uap, address), sizeof(vaddr32));
}
