/* * Copyright (c) 2008-2009 Apple Inc. All rights reserved. * * @APPLE_APACHE_LICENSE_HEADER_START@ * * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. * * @APPLE_APACHE_LICENSE_HEADER_END@ */ /* * IMPORTANT: This header file describes INTERNAL interfaces to libdispatch * which are subject to change in future releases of Mac OS X. Any applications * relying on these interfaces WILL break. */ #ifndef __DISPATCH_SEMAPHORE_INTERNAL__ #define __DISPATCH_SEMAPHORE_INTERNAL__ struct dispatch_sema_notify_s { struct dispatch_sema_notify_s *dsn_next; dispatch_queue_t dsn_queue; void *dsn_ctxt; void (*dsn_func)(void *); }; struct dispatch_semaphore_s { DISPATCH_STRUCT_HEADER(dispatch_semaphore_s, dispatch_semaphore_vtable_s); long dsema_value; long dsema_orig; size_t dsema_sent_ksignals; semaphore_t dsema_port; semaphore_t dsema_waiter_port; size_t dsema_group_waiters; struct dispatch_sema_notify_s *dsema_notify_head; struct dispatch_sema_notify_s *dsema_notify_tail; }; extern const struct dispatch_semaphore_vtable_s _dispatch_semaphore_vtable; #endif