completion.h revision 285830
1/*- 2 * Copyright (c) 2010 Isilon Systems, Inc. 3 * Copyright (c) 2010 iX Systems, Inc. 4 * Copyright (c) 2010 Panasas, Inc. 5 * Copyright (c) 2013, 2014 Mellanox Technologies, Ltd. 6 * All rights reserved. 7 * 8 * Redistribution and use in source and binary forms, with or without 9 * modification, are permitted provided that the following conditions 10 * are met: 11 * 1. Redistributions of source code must retain the above copyright 12 * notice unmodified, this list of conditions, and the following 13 * disclaimer. 14 * 2. Redistributions in binary form must reproduce the above copyright 15 * notice, this list of conditions and the following disclaimer in the 16 * documentation and/or other materials provided with the distribution. 17 * 18 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 19 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 20 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 21 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 22 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 23 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 24 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 25 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 26 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 27 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 28 */ 29 30#ifndef _LINUX_COMPLETION_H_ 31#define _LINUX_COMPLETION_H_ 32 33#include <linux/errno.h> 34 35struct completion { 36 unsigned int done; 37}; 38 39#define INIT_COMPLETION(c) \ 40 ((c).done = 0) 41#define init_completion(c) \ 42 ((c)->done = 0) 43#define complete(c) \ 44 linux_complete_common((c), 0) 45#define complete_all(c) \ 46 linux_complete_common((c), 1) 47#define wait_for_completion(c) \ 48 linux_wait_for_common((c), 0) 49#define wait_for_completion_interuptible(c) \ 50 linux_wait_for_common((c), 1) 51#define wait_for_completion_timeout(c, timeout) \ 52 linux_wait_for_timeout_common((c), (timeout), 0) 53#define wait_for_completion_interruptible_timeout(c, timeout) \ 54 linux_wait_for_timeout_common((c), (timeout), 1) 55#define try_wait_for_completion(c) \ 56 linux_try_wait_for_completion(c) 57#define completion_done(c) \ 58 linux_completion_done(c) 59 60extern void linux_complete_common(struct completion *, int); 61extern long linux_wait_for_common(struct completion *, int); 62extern long linux_wait_for_timeout_common(struct completion *, long, int); 63extern int linux_try_wait_for_completion(struct completion *); 64extern int linux_completion_done(struct completion *); 65 66#endif /* _LINUX_COMPLETION_H_ */ 67