1 /* 2 * Copyright (c) 2016, Cisco Systems, Inc. All rights reserved. 3 * 4 * This software is available to you under a choice of one of two 5 * licenses. You may choose to be licensed under the terms of the GNU 6 * General Public License (GPL) Version 2, available from the file 7 * COPYING in the main directory of this source tree, or the 8 * BSD license below: 9 * 10 * Redistribution and use in source and binary forms, with or 11 * without modification, are permitted provided that the following 12 * conditions are met: 13 * 14 * - Redistributions of source code must retain the above 15 * copyright notice, this list of conditions and the following 16 * disclaimer. 17 * 18 * - Redistributions in binary form must reproduce the above 19 * copyright notice, this list of conditions and the following 20 * disclaimer in the documentation and/or other materials 21 * provided with the distribution. 22 * 23 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 24 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 25 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS 26 * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE 27 * COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, 28 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, 29 * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; 30 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER 31 * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 32 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN 33 * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 34 * POSSIBILITY OF SUCH DAMAGE. 35 */ 36 37 #ifndef _USDF_WAIT_H_ 38 #define _USDF_WAIT_H_ 39 40 #include "ofi_list.h" 41 42 struct usdf_wait { 43 struct fid_wait wait_fid; 44 struct usdf_fabric *wait_fabric; 45 46 enum fi_wait_obj wait_obj; 47 union { 48 ofi_epoll_t epfd; 49 struct fi_mutex_cond mutex_cond; 50 } object; 51 52 ofi_atomic32_t wait_refcnt; 53 54 fastlock_t lock; 55 struct dlist_entry list; 56 }; 57 58 #define wait_ftou(FWT) container_of(FWT, struct usdf_wait, wait_fid) 59 #define wait_fidtou(FWT) container_of(FWT, struct usdf_wait, wait_fid.fid) 60 61 int usdf_wait_open(struct fid_fabric *fabric, struct fi_wait_attr *attr, 62 struct fid_wait **waitset); 63 int usdf_trywait(struct fid_fabric *fabric, struct fid **fids, int count); 64 65 #endif 66