xref: /dflybsd-src/sys/sys/_pthreadtypes.h (revision a09695babf3a4c2b2a71f697f3abf9ff4f94968f)
1  /*
2   * Copyright (c) 2020 The DragonFly Project.  All rights reserved.
3   *
4   * Redistribution and use in source and binary forms, with or without
5   * modification, are permitted provided that the following conditions
6   * are met:
7   * 1. Redistributions of source code must retain the above copyright
8   *    notice, this list of conditions and the following disclaimer.
9   * 2. Redistributions in binary form must reproduce the above copyright
10   *    notice, this list of conditions and the following disclaimer in the
11   *    documentation and/or other materials provided with the distribution.
12   *
13   * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
14   * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
15   * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
16   * FOR A PARTICULAR PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE
17   * COPYRIGHT HOLDERS OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
18   * INCIDENTAL, SPECIAL, EXEMPLARY OR CONSEQUENTIAL DAMAGES (INCLUDING,
19   * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
20   * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
21   * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
22   * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
23   * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
24   * SUCH DAMAGE.
25   */
26  
27  #ifndef _SYS__PTHREADTYPES_H_
28  #define	_SYS__PTHREADTYPES_H_
29  
30  #include <sys/cdefs.h>
31  
32  /*
33   * Forward opaque structure definitions that do not pollute namespaces.
34   * To be used in headers where visibility is an issue.
35   */
36  struct __pthread_s;
37  struct __pthread_attr_s;
38  struct __pthread_barrier_s;
39  struct __pthread_barrierattr_s;
40  struct __pthread_cond_s;
41  struct __pthread_condattr_s;
42  struct __pthread_mutex_s;
43  struct __pthread_mutexattr_s;
44  struct __pthread_once_s;
45  struct __pthread_rwlock_s;
46  struct __pthread_rwlockattr_s;
47  struct __pthread_spinlock_s;
48  
49  /*
50   * Basic pthread types to be used in function prototypes.
51   */
52  #ifndef _PTHREAD_T_DECLARED
53  typedef	struct __pthread_s		*pthread_t;
54  #define	_PTHREAD_T_DECLARED
55  #endif
56  #ifndef _PTHREAD_ATTR_T_DECLARED
57  typedef	struct __pthread_attr_s		*pthread_attr_t;
58  #define	_PTHREAD_ATTR_T_DECLARED
59  #endif
60  typedef	struct __pthread_barrier_s	*pthread_barrier_t;
61  typedef	struct __pthread_barrierattr_s	*pthread_barrierattr_t;
62  typedef	struct __pthread_cond_s		*pthread_cond_t;
63  typedef	struct __pthread_condattr_s	*pthread_condattr_t;
64  typedef	struct __pthread_mutex_s	*pthread_mutex_t;
65  typedef	struct __pthread_mutexattr_s	*pthread_mutexattr_t;
66  typedef	int				pthread_key_t;
67  typedef	struct __pthread_once_s		pthread_once_t;
68  
69  typedef	struct __pthread_rwlock_s	*pthread_rwlock_t;
70  typedef	struct __pthread_rwlockattr_s	*pthread_rwlockattr_t;
71  typedef	struct __pthread_spinlock_s	*pthread_spinlock_t;
72  
73  /*
74   * Once-only structure (partly public).
75   */
76  struct __pthread_once_s {
77  	int		__state;
78  	void		*__sparelibc_r;	/* unused, kept for ABI compat */
79  };
80  
81  #endif	/* !_SYS__PTHREADTYPES_H_ */
82