void task::change_group ( task_group_context& ctx ) {
prefix().context = &ctx;
if ( ctx.my_kind == task_group_context::binding_required ) {
internal::generic_scheduler* s = governor::local_scheduler();
// If we are in the outermost task dispatch loop of a master thread, then
// there is nothing to bind this context to, and we skip the binding part
// treating the context as isolated.
if ( s->my_innermost_running_task == s->my_dummy_task )
ctx.my_kind = task_group_context::isolated;
else
ctx.bind_to( s );
}
ITT_STACK_CREATE(ctx.itt_caller);
}
void task::change_group ( task_group_context& ctx ) {
prefix().context = &ctx;
internal::generic_scheduler* s = governor::local_scheduler();
if ( __TBB_load_relaxed(ctx.my_kind) == task_group_context::binding_required ) {
// If we are in the outermost task dispatch loop of a master thread, then
// there is nothing to bind this context to, and we skip the binding part
// treating the context as isolated.
if ( s->master_outermost_level() )
__TBB_store_relaxed(ctx.my_kind, task_group_context::isolated);
else
ctx.bind_to( s );
}
#if __TBB_FP_CONTEXT
if ( __TBB_load_relaxed(ctx.my_kind) == task_group_context::isolated &&
!(ctx.my_version_and_traits & task_group_context::fp_settings) )
ctx.copy_fp_settings( *s->my_arena->my_default_ctx );
#endif
ITT_STACK_CREATE(ctx.itt_caller);
}