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      1 /* $NetBSD: poll.h,v 1.1 2022/01/22 07:56:16 pho Exp $ */
      2 
      3 /*
      4  * Copyright (c) 2021 The NetBSD Foundation, Inc.
      5  * All rights reserved.
      6  *
      7  * Redistribution and use in source and binary forms, with or without
      8  * modification, are permitted provided that the following conditions
      9  * are met:
     10  * 1. Redistributions of source code must retain the above copyright
     11  *    notice, this list of conditions and the following disclaimer.
     12  * 2. Redistributions in binary form must reproduce the above copyright
     13  *    notice, this list of conditions and the following disclaimer in the
     14  *    documentation and/or other materials provided with the distribution.
     15  * 3. The name of the author may not be used to endorse or promote
     16  *    products derived from this software without specific prior written
     17  *    permission.
     18  *
     19  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS
     20  * OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
     21  * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
     22  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY
     23  * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
     24  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE
     25  * GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
     26  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
     27  * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
     28  * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
     29  * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
     30  */
     31 #if !defined(_FUSE_POLL_H_)
     32 #define _FUSE_POLL_H_
     33 
     34 /* Polling API, appeared on FUSE 2.8 */
     35 
     36 #if !defined(FUSE_H_)
     37 #  error Do not include this header directly. Include <fuse.h> instead.
     38 #endif
     39 
     40 #ifdef __cplusplus
     41 extern "C" {
     42 #endif
     43 
     44 /* A private structure for polling, appeared on FUSE 2.8. */
     45 struct fuse_pollhandle;
     46 
     47 /* Notify the kernel of an IO readiness event. Appeared on FUSE 2.8. */
     48 int fuse_notify_poll(struct fuse_pollhandle *ph);
     49 
     50 /* Destroy a poll handle. Appeared on FUSE 2.8. */
     51 void fuse_pollhandle_destroy(struct fuse_pollhandle *ph);
     52 
     53 #ifdef __cplusplus
     54 }
     55 #endif
     56 
     57 #endif
     58