1/* Copyright (C) 2003-2021 Free Software Foundation, Inc.
2 This file is part of the GNU C Library.
3 Contributed by Ulrich Drepper <drepper@redhat.com>, 2003.
4
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.
9
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.
14
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/>. */
18
19#ifndef _PTHREAD_FUNCTIONS_H
20#define _PTHREAD_FUNCTIONS_H 1
21
22#include <pthread.h>
23#include <setjmp.h>
24#include <internaltypes.h>
25#include <sysdep.h>
26
27struct xid_command;
28
29/* Data type shared with libc. The libc uses it to pass on calls to
30 the thread functions. */
31struct pthread_functions
32{
33 int (*ptr___pthread_cond_broadcast) (pthread_cond_t *);
34 int (*ptr___pthread_cond_signal) (pthread_cond_t *);
35 int (*ptr___pthread_cond_wait) (pthread_cond_t *, pthread_mutex_t *);
36 int (*ptr___pthread_cond_timedwait) (pthread_cond_t *, pthread_mutex_t *,
37 const struct timespec *);
38 int (*ptr___pthread_cond_broadcast_2_0) (pthread_cond_2_0_t *);
39 int (*ptr___pthread_cond_signal_2_0) (pthread_cond_2_0_t *);
40 int (*ptr___pthread_cond_wait_2_0) (pthread_cond_2_0_t *, pthread_mutex_t *);
41 int (*ptr___pthread_cond_timedwait_2_0) (pthread_cond_2_0_t *,
42 pthread_mutex_t *,
43 const struct timespec *);
44 void (*ptr___pthread_exit) (void *) __attribute__ ((__noreturn__));
45 int (*ptr_pthread_mutex_destroy) (pthread_mutex_t *);
46 int (*ptr_pthread_mutex_init) (pthread_mutex_t *,
47 const pthread_mutexattr_t *);
48 int (*ptr_pthread_mutex_lock) (pthread_mutex_t *);
49 int (*ptr_pthread_mutex_unlock) (pthread_mutex_t *);
50 int (*ptr___pthread_setcancelstate) (int, int *);
51 int (*ptr_pthread_setcanceltype) (int, int *);
52 void (*ptr___pthread_cleanup_upto) (__jmp_buf, char *);
53 int (*ptr___pthread_once) (pthread_once_t *, void (*) (void));
54 int (*ptr___pthread_rwlock_rdlock) (pthread_rwlock_t *);
55 int (*ptr___pthread_rwlock_wrlock) (pthread_rwlock_t *);
56 int (*ptr___pthread_rwlock_unlock) (pthread_rwlock_t *);
57 int (*ptr___pthread_key_create) (pthread_key_t *, void (*) (void *));
58 void *(*ptr___pthread_getspecific) (pthread_key_t);
59 int (*ptr___pthread_setspecific) (pthread_key_t, const void *);
60 void (*ptr__pthread_cleanup_push_defer) (struct _pthread_cleanup_buffer *,
61 void (*) (void *), void *);
62 void (*ptr__pthread_cleanup_pop_restore) (struct _pthread_cleanup_buffer *,
63 int);
64#define HAVE_PTR_NTHREADS
65 unsigned int *ptr_nthreads;
66 void (*ptr___pthread_unwind) (__pthread_unwind_buf_t *)
67 __attribute ((noreturn)) __cleanup_fct_attribute;
68 void (*ptr__nptl_deallocate_tsd) (void);
69 int (*ptr__nptl_setxid) (struct xid_command *);
70 void (*ptr_set_robust) (struct pthread *);
71};
72
73/* Variable in libc.so. */
74extern struct pthread_functions __libc_pthread_functions attribute_hidden;
75extern int __libc_pthread_functions_init attribute_hidden;
76
77#ifdef PTR_DEMANGLE
78# define PTHFCT_CALL(fct, params) \
79 ({ __typeof (__libc_pthread_functions.fct) __p; \
80 __p = __libc_pthread_functions.fct; \
81 PTR_DEMANGLE (__p); \
82 __p params; })
83#else
84# define PTHFCT_CALL(fct, params) \
85 __libc_pthread_functions.fct params
86#endif
87
88#endif /* pthread-functions.h */
89