proc.h revision 286843 
1/*-
2 * Copyright (c) 2007 Pawel Jakub Dawidek <pjd@FreeBSD.org>
3 * All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
7 * are met:
8 * 1. Redistributions of source code must retain the above copyright
9 *    notice, this list of conditions and the following disclaimer.
10 * 2. Redistributions in binary form must reproduce the above copyright
11 *    notice, this list of conditions and the following disclaimer in the
12 *    documentation and/or other materials provided with the distribution.
13 *
14 * THIS SOFTWARE IS PROVIDED BY THE AUTHORS AND CONTRIBUTORS ``AS IS'' AND
15 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
16 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
17 * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHORS OR CONTRIBUTORS BE LIABLE
18 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
19 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
20 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
21 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
22 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
23 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
24 * SUCH DAMAGE.
25 *
26 * $FreeBSD: stable/10/sys/cddl/compat/opensolaris/sys/proc.h 286843 2015-08-17 12:51:46Z ed $
27 */
28
29#ifndef _OPENSOLARIS_SYS_PROC_H_
30#define	_OPENSOLARIS_SYS_PROC_H_
31
32#include <sys/param.h>
33#include <sys/kthread.h>
34#include_next <sys/proc.h>
35#include <sys/stdint.h>
36#include <sys/smp.h>
37#include <sys/sched.h>
38#include <sys/lock.h>
39#include <sys/mutex.h>
40#include <sys/unistd.h>
41#include <sys/debug.h>
42
43#ifdef _KERNEL
44
45#define	CPU		curcpu
46#define	minclsyspri	PRIBIO
47#define	maxclsyspri	PVM
48#define	max_ncpus	mp_ncpus
49#define	boot_max_ncpus	mp_ncpus
50
51#define	TS_RUN	0
52
53#define	p0	proc0
54
55#define	t_tid	td_tid
56
57typedef	short		pri_t;
58typedef	struct thread	_kthread;
59typedef	struct thread	kthread_t;
60typedef struct thread	*kthread_id_t;
61typedef struct proc	proc_t;
62
63extern struct proc *zfsproc;
64
65static __inline kthread_t *
66do_thread_create(caddr_t stk, size_t stksize, void (*proc)(void *), void *arg,
67    size_t len, proc_t *pp, int state, pri_t pri)
68{
69	kthread_t *td = NULL;
70	int error;
71
72	/*
73	 * Be sure there are no surprises.
74	 */
75	ASSERT(stk == NULL);
76	ASSERT(len == 0);
77	ASSERT(state == TS_RUN);
78	ASSERT(pp == &p0);
79
80	error = kproc_kthread_add(proc, arg, &zfsproc, &td, RFSTOPPED,
81	    stksize / PAGE_SIZE, "zfskern", "solthread %p", proc);
82	if (error == 0) {
83		thread_lock(td);
84		sched_prio(td, pri);
85		sched_add(td, SRQ_BORING);
86		thread_unlock(td);
87	}
88	return (td);
89}
90
91#define	thread_create(stk, stksize, proc, arg, len, pp, state, pri) \
92	do_thread_create(stk, stksize, proc, arg, len, pp, state, pri)
93#define	thread_exit()	kthread_exit()
94
95#endif	/* _KERNEL */
96
97#endif	/* _OPENSOLARIS_SYS_PROC_H_ */
98