1 /* Declarations of internal pthread functions used by libc. Hurd version.
2 Copyright (C) 2016-2021 Free Software Foundation, Inc.
3 This file is part of the GNU C Library.
5 The GNU C Library is free software; you can redistribute it and/or
6 modify it under the terms of the GNU Lesser General Public
7 License as published by the Free Software Foundation; either
8 version 2.1 of the License, or (at your option) any later version.
10 The GNU C Library is distributed in the hope that it will be useful,
11 but WITHOUT ANY WARRANTY; without even the implied warranty of
12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
13 Lesser General Public License for more details.
15 You should have received a copy of the GNU Lesser General Public
16 License along with the GNU C Library; if not, see
17 <https://www.gnu.org/licenses/>. */
27 /* Attribute to indicate thread creation was issued from C11 thrd_create. */
28 #define ATTR_C11_THREAD ((void*)(uintptr_t)-1)
30 extern void __pthread_init_static_tls (struct link_map
*) attribute_hidden
;
32 /* These represent the interface used by glibc itself. */
34 extern struct __pthread
**__pthread_threads
;
36 extern int __pthread_mutex_init (pthread_mutex_t
*__mutex
, const pthread_mutexattr_t
*__attr
);
37 extern int __pthread_mutex_destroy (pthread_mutex_t
*__mutex
);
38 extern int __pthread_mutex_lock (pthread_mutex_t
*__mutex
);
39 extern int __pthread_mutex_trylock (pthread_mutex_t
*_mutex
);
40 extern int __pthread_mutex_timedlock (pthread_mutex_t
*__mutex
,
41 const struct timespec
*__abstime
);
42 extern int __pthread_mutex_unlock (pthread_mutex_t
*__mutex
);
43 extern int __pthread_mutexattr_init (pthread_mutexattr_t
*attr
);
44 extern int __pthread_mutexattr_settype (pthread_mutexattr_t
*attr
, int kind
);
46 extern int __pthread_cond_init (pthread_cond_t
*cond
,
47 const pthread_condattr_t
*cond_attr
);
48 extern int __pthread_cond_signal (pthread_cond_t
*cond
);
49 extern int __pthread_cond_broadcast (pthread_cond_t
*cond
);
50 extern int __pthread_cond_wait (pthread_cond_t
*cond
, pthread_mutex_t
*mutex
);
51 extern int __pthread_cond_timedwait (pthread_cond_t
*cond
,
52 pthread_mutex_t
*mutex
,
53 const struct timespec
*abstime
);
54 extern int __pthread_cond_clockwait (pthread_cond_t
*cond
,
55 pthread_mutex_t
*mutex
,
57 const struct timespec
*abstime
)
58 __nonnull ((1, 2, 4));
59 extern int __pthread_cond_destroy (pthread_cond_t
*cond
);
61 typedef struct __cthread
*__cthread_t
;
62 typedef int __cthread_key_t
;
63 typedef void * (*__cthread_fn_t
)(void *__arg
);
65 __cthread_t
__cthread_fork (__cthread_fn_t
, void *);
66 int __pthread_create (pthread_t
*newthread
,
67 const pthread_attr_t
*attr
,
68 void *(*start_routine
) (void *), void *arg
);
70 void __cthread_detach (__cthread_t
);
71 int __pthread_detach (pthread_t __threadp
);
72 void __pthread_exit (void *value
) __attribute__ ((__noreturn__
));
73 int __pthread_join (pthread_t
, void **);
74 int __cthread_keycreate (__cthread_key_t
*);
75 int __cthread_getspecific (__cthread_key_t
, void **);
76 int __cthread_setspecific (__cthread_key_t
, void *);
77 int __pthread_key_create (pthread_key_t
*key
, void (*destr
) (void *));
78 void *__pthread_getspecific (pthread_key_t key
);
79 int __pthread_setspecific (pthread_key_t key
, const void *value
);
80 int __pthread_key_delete (pthread_key_t key
);
81 int __pthread_once (pthread_once_t
*once_control
, void (*init_routine
) (void));
83 int __pthread_setcancelstate (int state
, int *oldstate
);
85 int __pthread_getattr_np (pthread_t
, pthread_attr_t
*);
86 int __pthread_attr_getstackaddr (const pthread_attr_t
*__restrict __attr
,
87 void **__restrict __stackaddr
);
88 int __pthread_attr_setstackaddr (pthread_attr_t
*__attr
, void *__stackaddr
);
89 int __pthread_attr_getstacksize (const pthread_attr_t
*__restrict __attr
,
90 size_t *__restrict __stacksize
);
91 int __pthread_attr_setstacksize (pthread_attr_t
*__attr
, size_t __stacksize
);
92 int __pthread_attr_setstack (pthread_attr_t
*__attr
, void *__stackaddr
,
94 int __pthread_attr_getstack (const pthread_attr_t
*, void **, size_t *);
95 void __pthread_testcancel (void);
97 #if IS_IN (libpthread)
98 hidden_proto (__pthread_create
)
99 hidden_proto (__pthread_detach
)
100 hidden_proto (__pthread_key_create
)
101 hidden_proto (__pthread_getspecific
)
102 hidden_proto (__pthread_setspecific
)
103 hidden_proto (__pthread_mutex_init
)
104 hidden_proto (__pthread_mutex_destroy
)
105 hidden_proto (__pthread_mutex_lock
)
106 hidden_proto (__pthread_mutex_trylock
)
107 hidden_proto (__pthread_mutex_unlock
)
108 hidden_proto (__pthread_mutex_timedlock
)
109 hidden_proto (__pthread_get_cleanup_stack
)
112 #define ASSERT_TYPE_SIZE(type, size) \
113 _Static_assert (sizeof (type) == size, \
114 "sizeof (" #type ") != " #size)
116 #endif /* pthreadP.h */