proc.h revision 172836 
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: head/sys/cddl/compat/opensolaris/sys/proc.h 172836 2007-10-20 23:23:23Z julian $
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/debug.h>
38
39#ifdef _KERNEL
40
41#define	CPU		curcpu
42#define	minclsyspri	0
43#define	maxclsyspri	0
44#define	max_ncpus	mp_ncpus
45#define	boot_max_ncpus	mp_ncpus
46
47extern int hz;	/* system clock's frequency */
48
49#define	TS_RUN	0
50
51#define	p0	proc0
52
53typedef	short		pri_t;
54typedef	struct thread	_kthread;
55typedef	struct thread	kthread_t;
56typedef struct thread	*kthread_id_t;
57typedef struct proc	proc_t;
58
59#if (KSTACK_PAGES * PAGE_SIZE) < 16384
60#define	ZFS_KSTACK_PAGES	(16384 / PAGE_SIZE)
61#else
62#define	ZFS_KSTACK_PAGES	0
63#endif
64
65static __inline kthread_t *
66thread_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	proc_t *p;
70	int error;
71
72	/*
73	 * Be sure there are no surprises.
74	 */
75	ASSERT(stk == NULL);
76	ASSERT(stksize == 0);
77	ASSERT(len == 0);
78	ASSERT(state == TS_RUN);
79
80	error = kproc_create(proc, arg, &p, 0, ZFS_KSTACK_PAGES,
81	    "solthread %p", proc);
82	return (error == 0 ? FIRST_THREAD_IN_PROC(p) : NULL);
83}
84
85#define	thread_exit()	kproc_exit(0)
86
87#endif	/* _KERNEL */
88
89#endif	/* _OPENSOLARIS_SYS_PROC_H_ */
90