zthr.h revision 332547
1/*
2 * CDDL HEADER START
3 *
4 * This file and its contents are supplied under the terms of the
5 * Common Development and Distribution License ("CDDL"), version 1.0.
6 * You may only use this file in accordance with the terms of version
7 * 1.0 of the CDDL.
8 *
9 * A full copy of the text of the CDDL should have accompanied this
10 * source. A copy of the CDDL is also available via the Internet at
11 * http://www.illumos.org/license/CDDL.
12 *
13 * CDDL HEADER END
14 */
15
16/*
17 * Copyright (c) 2017 by Delphix. All rights reserved.
18 */
19
20#ifndef _SYS_ZTHR_H
21#define	_SYS_ZTHR_H
22
23typedef struct zthr zthr_t;
24typedef int (zthr_func_t)(void *, zthr_t *);
25typedef boolean_t (zthr_checkfunc_t)(void *, zthr_t *);
26
27struct zthr {
28	kthread_t	*zthr_thread;
29	kmutex_t	zthr_lock;
30	kcondvar_t	zthr_cv;
31	boolean_t	zthr_cancel;
32
33	zthr_checkfunc_t	*zthr_checkfunc;
34	zthr_func_t	*zthr_func;
35	void		*zthr_arg;
36	int		zthr_rc;
37};
38
39extern zthr_t *zthr_create(zthr_checkfunc_t checkfunc,
40    zthr_func_t *func, void *arg);
41extern void zthr_exit(zthr_t *t, int rc);
42extern void zthr_destroy(zthr_t *t);
43
44extern void zthr_wakeup(zthr_t *t);
45extern int zthr_cancel(zthr_t *t);
46extern void zthr_resume(zthr_t *t);
47
48extern boolean_t zthr_iscancelled(zthr_t *t);
49extern boolean_t zthr_isrunning(zthr_t *t);
50
51#endif /* _SYS_ZTHR_H */
52