thread.h revision 297542 
1/*
2 * CDDL HEADER START
3 *
4 * The contents of this file are subject to the terms of the
5 * Common Development and Distribution License (the "License").
6 * You may not use this file except in compliance with the License.
7 *
8 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
9 * or http://www.opensolaris.org/os/licensing.
10 * See the License for the specific language governing permissions
11 * and limitations under the License.
12 *
13 * When distributing Covered Code, include this CDDL HEADER in each
14 * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
15 * If applicable, add the following below this CDDL HEADER, with the
16 * fields enclosed by brackets "[]" replaced with your own identifying
17 * information: Portions Copyright [yyyy] [name of copyright owner]
18 *
19 * CDDL HEADER END
20 */
21
22/*
23 * Copyright 2014 Garrett D'Amore <garrett@damore.org>
24 *
25 * Copyright 2007 Sun Microsystems, Inc.  All rights reserved.
26 * Use is subject to license terms.
27 */
28
29#ifndef	_THREAD_H
30#define	_THREAD_H
31
32#include <pthread.h>
33#include <pthread_np.h>
34#include <assert.h>
35
36/*
37 * Compatibility thread stuff needed for Solaris -> Linux port
38 */
39
40typedef pthread_t thread_t;
41typedef pthread_mutex_t mutex_t;
42typedef pthread_cond_t cond_t;
43typedef pthread_rwlock_t rwlock_t;
44
45#define USYNC_THREAD 0
46
47#define	thr_self()		(unsigned long)pthread_self()
48#define	thr_equal(a,b)		pthread_equal(a,b)
49#define	thr_join(t,d,s)		pthread_join(t,s)
50#define	thr_exit(r)		pthread_exit(r)
51#define	_mutex_init(l,f,a)	pthread_mutex_init(l,NULL)
52#define	_mutex_destroy(l)	pthread_mutex_destroy(l)
53#define	mutex_lock(l)		pthread_mutex_lock(l)
54#define	mutex_trylock(l)	pthread_mutex_trylock(l)
55#define	mutex_unlock(l)		pthread_mutex_unlock(l)
56#define	rwlock_init(l,f,a)	pthread_rwlock_init(l,NULL)
57#define	rwlock_destroy(l)	pthread_rwlock_destroy(l)
58#define	rw_rdlock(l)		pthread_rwlock_rdlock(l)
59#define	rw_wrlock(l)		pthread_rwlock_wrlock(l)
60#define	rw_tryrdlock(l)		pthread_rwlock_tryrdlock(l)
61#define	rw_trywrlock(l)		pthread_rwlock_trywrlock(l)
62#define	rw_unlock(l)		pthread_rwlock_unlock(l)
63#define	cond_init(l,f,a)	pthread_cond_init(l,NULL)
64#define	cond_destroy(l)		pthread_cond_destroy(l)
65#define	cond_wait(l,m)		pthread_cond_wait(l,m)
66#define	cond_signal(l)		pthread_cond_signal(l)
67#define	cond_broadcast(l)	pthread_cond_broadcast(l)
68
69#define THR_BOUND     0x00000001  /* = PTHREAD_SCOPE_SYSTEM */
70#define THR_NEW_LWP   0x00000002
71#define THR_DETACHED  0x00000040  /* = PTHREAD_CREATE_DETACHED */
72#define THR_SUSPENDED 0x00000080
73#define THR_DAEMON    0x00000100
74
75static __inline int
76thr_create(void *stack_base, size_t stack_size, void *(*start_func) (void*),
77    void *arg, long flags, thread_t *new_thread_ID)
78{
79	pthread_t dummy;
80	int ret;
81
82	assert(stack_base == NULL);
83	assert(stack_size == 0);
84	assert((flags & ~THR_BOUND & ~THR_DETACHED) == 0);
85
86	pthread_attr_t attr;
87	pthread_attr_init(&attr);
88
89	if (flags & THR_DETACHED)
90		pthread_attr_setdetachstate(&attr, PTHREAD_CREATE_DETACHED);
91
92	if (new_thread_ID == NULL)
93		new_thread_ID = &dummy;
94
95	/* This function ignores the THR_BOUND flag, since NPTL doesn't seem to support PTHREAD_SCOPE_PROCESS */
96
97	ret = pthread_create(new_thread_ID, &attr, start_func, arg);
98
99	pthread_attr_destroy(&attr);
100
101	return (ret);
102}
103
104#endif	/* _THREAD_H */
105