"Sync" threading libaries.
[dragonfly.git] / sys / sys / _pthreadtypes.h
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1/*
2 * Copyright (c) 1993, 1994 by Chris Provenzano, proven@mit.edu
3 * Copyright (c) 1995-1998 by John Birrell <jb@cimlogic.com.au>
4 * All rights reserved.
5 *
6 * Redistribution and use in source and binary forms, with or without
7 * modification, are permitted provided that the following conditions
8 * are met:
9 * 1. Redistributions of source code must retain the above copyright
10 * notice, this list of conditions and the following disclaimer.
11 * 2. Redistributions in binary form must reproduce the above copyright
12 * notice, this list of conditions and the following disclaimer in the
13 * documentation and/or other materials provided with the distribution.
14 * 3. All advertising materials mentioning features or use of this software
15 * must display the following acknowledgement:
16 * This product includes software developed by Chris Provenzano.
17 * 4. The name of Chris Provenzano may not be used to endorse or promote
18 * products derived from this software without specific prior written
19 * permission.
20 *
21 * THIS SOFTWARE IS PROVIDED BY CHRIS PROVENZANO ``AS IS'' AND
22 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
23 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
24 * ARE DISCLAIMED. IN NO EVENT SHALL CHRIS PROVENZANO BE LIABLE FOR ANY
25 * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
26 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
27 * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
28 * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
29 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
30 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
31 * SUCH DAMAGE.
32 */
33
34#ifndef _SYS__PTHREADTYPES_H_
35#define _SYS__PTHREADTYPES_H_
36
37/*
38 * Forward structure definitions.
39 *
40 * These are mostly opaque to the user.
41 */
42struct pthread;
43struct pthread_attr;
44struct pthread_cond;
45struct pthread_cond_attr;
46struct pthread_mutex;
47struct pthread_mutex_attr;
48struct pthread_once;
49struct pthread_rwlock;
50struct pthread_rwlockattr;
51struct pthread_barrier;
52struct pthread_barrier_attr;
0490f058 53struct pthread_spinlock;
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54
55/*
56 * Primitive system data type definitions required by P1003.1c.
57 *
58 * Note that P1003.1c specifies that there are no defined comparison
59 * or assignment operators for the types pthread_attr_t, pthread_cond_t,
60 * pthread_condattr_t, pthread_mutex_t, pthread_mutexattr_t.
61 */
62typedef struct pthread *pthread_t;
63typedef struct pthread_attr *pthread_attr_t;
64typedef struct pthread_mutex *pthread_mutex_t;
65typedef struct pthread_mutex_attr *pthread_mutexattr_t;
66typedef struct pthread_cond *pthread_cond_t;
67typedef struct pthread_cond_attr *pthread_condattr_t;
68typedef int pthread_key_t;
69typedef struct pthread_once pthread_once_t;
70typedef struct pthread_rwlock *pthread_rwlock_t;
71typedef struct pthread_rwlockattr *pthread_rwlockattr_t;
72typedef struct pthread_barrier *pthread_barrier_t;
73typedef struct pthread_barrierattr *pthread_barrierattr_t;
0490f058 74typedef struct pthread_spinlock *pthread_spinlock_t;
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75
76/*
77 * Additional type definitions:
78 *
79 * Note that P1003.1c reserves the prefixes pthread_ and PTHREAD_ for
80 * use in header symbols.
81 */
82typedef void *pthread_addr_t;
83typedef void *(*pthread_startroutine_t) (void *);
84
85/*
86 * Once definitions.
87 */
88struct pthread_once {
89 int state;
90 pthread_mutex_t mutex;
91};
92
93#endif /* ! _SYS__PTHREADTYPES_H_ */