xref: /freebsd/sys/sys/_pthreadtypes.h (revision 95ee2897e98f5d444f26ed2334cc7c439f9c16c6)
1 /*-
2  * SPDX-License-Identifier: BSD-3-Clause
3  *
4  * Copyright (c) 1993, 1994 by Chris Provenzano, proven@mit.edu
5  * Copyright (c) 1995-1998 by John Birrell <jb@cimlogic.com.au>
6  * All rights reserved.
7  *
8  * Redistribution and use in source and binary forms, with or without
9  * modification, are permitted provided that the following conditions
10  * are met:
11  * 1. Redistributions of source code must retain the above copyright
12  *    notice, this list of conditions and the following disclaimer.
13  * 2. Redistributions in binary form must reproduce the above copyright
14  *    notice, this list of conditions and the following disclaimer in the
15  *    documentation and/or other materials provided with the distribution.
16  * 3. All advertising materials mentioning features or use of this software
17  *    must display the following acknowledgement:
18  *  This product includes software developed by Chris Provenzano.
19  * 4. The name of Chris Provenzano may not be used to endorse or promote
20  *	  products derived from this software without specific prior written
21  *	  permission.
22  *
23  * THIS SOFTWARE IS PROVIDED BY CHRIS PROVENZANO ``AS IS'' AND
24  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
25  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
26  * ARE DISCLAIMED.  IN NO EVENT SHALL CHRIS PROVENZANO BE LIABLE FOR ANY
27  * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
28  * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
29  * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
30  * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
31  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
32  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
33  * SUCH DAMAGE.
34  */
35 
36 #ifndef _SYS__PTHREADTYPES_H_
37 #define _SYS__PTHREADTYPES_H_
38 
39 /*
40  * Forward structure definitions.
41  *
42  * These are mostly opaque to the user.
43  */
44 struct pthread;
45 struct pthread_attr;
46 struct pthread_cond;
47 struct pthread_cond_attr;
48 struct pthread_mutex;
49 struct pthread_mutex_attr;
50 struct pthread_once;
51 struct pthread_rwlock;
52 struct pthread_rwlockattr;
53 struct pthread_barrier;
54 struct pthread_barrier_attr;
55 struct pthread_spinlock;
56 
57 /*
58  * Primitive system data type definitions required by P1003.1c.
59  *
60  * Note that P1003.1c specifies that there are no defined comparison
61  * or assignment operators for the types pthread_attr_t, pthread_cond_t,
62  * pthread_condattr_t, pthread_mutex_t, pthread_mutexattr_t.
63  */
64 #ifndef _PTHREAD_T_DECLARED
65 typedef struct	pthread			*pthread_t;
66 #define	_PTHREAD_T_DECLARED
67 #endif
68 typedef struct	pthread_attr		*pthread_attr_t;
69 typedef struct	pthread_mutex		*pthread_mutex_t;
70 typedef struct	pthread_mutex_attr	*pthread_mutexattr_t;
71 typedef struct	pthread_cond		*pthread_cond_t;
72 typedef struct	pthread_cond_attr	*pthread_condattr_t;
73 typedef int     			pthread_key_t;
74 typedef struct	pthread_once		pthread_once_t;
75 typedef struct	pthread_rwlock		*pthread_rwlock_t;
76 typedef struct	pthread_rwlockattr	*pthread_rwlockattr_t;
77 typedef struct	pthread_barrier		*pthread_barrier_t;
78 typedef struct	pthread_barrierattr	*pthread_barrierattr_t;
79 typedef struct	pthread_spinlock	*pthread_spinlock_t;
80 
81 /*
82  * Additional type definitions:
83  *
84  * Note that P1003.1c reserves the prefixes pthread_ and PTHREAD_ for
85  * use in header symbols.
86  */
87 typedef void	*pthread_addr_t;
88 typedef void	*(*pthread_startroutine_t)(void *);
89 
90 /*
91  * Once definitions.
92  */
93 struct pthread_once {
94 	int		state;
95 	pthread_mutex_t	mutex;
96 };
97 
98 #endif /* ! _SYS__PTHREADTYPES_H_ */
99