1/* 2 * Copyright 2007, Ingo Weinhold, bonefish@cs.tu-berlin.de. All rights reserved. 3 * Distributed under the terms of the MIT License. 4 */ 5 6#ifndef _KERNEL_WAIT_FOR_OBJECTS_H 7#define _KERNEL_WAIT_FOR_OBJECTS_H 8 9#include <OS.h> 10 11#include <lock.h> 12 13 14struct select_sync; 15 16 17typedef struct select_info { 18 struct select_info* next; 19 struct select_sync* sync; 20 int32 events; 21 uint16 selected_events; 22} select_info; 23 24 25#define SELECT_FLAG(type) (1L << (type - 1)) 26 27#define SELECT_OUTPUT_ONLY_FLAGS \ 28 (B_EVENT_ERROR | B_EVENT_DISCONNECTED | B_EVENT_INVALID) 29 30#define SELECT_TYPE_IS_OUTPUT_ONLY(type) \ 31 ((SELECT_FLAG(type) & SELECT_OUTPUT_ONLY_FLAGS) != 0) 32 33 34#ifdef __cplusplus 35extern "C" { 36#endif 37 38 39extern void acquire_select_sync(select_sync* sync); 40extern void put_select_sync(select_sync* sync); 41extern status_t notify_select_events(select_info* info, uint16 events); 42extern void notify_select_events_list(select_info* list, uint16 events); 43 44extern ssize_t _user_wait_for_objects(object_wait_info* userInfos, 45 int numInfos, uint32 flags, bigtime_t timeout); 46 47 48#ifdef __cplusplus 49} 50#endif 51 52#endif // _KERNEL_WAIT_FOR_OBJECTS_H 53