about summary refs log tree commit diff
path: root/nptl/forward.c
blob: 491e0caed8649d1a98bfad5565cf86c824fcc7f3 (plain) (blame)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
/* Copyright (C) 2002 Free Software Foundation, Inc.
   This file is part of the GNU C Library.
   Contributed by Ulrich Drepper <drepper@redhat.com>, 2002.

   The GNU C Library is free software; you can redistribute it and/or
   modify it under the terms of the GNU Lesser General Public
   License as published by the Free Software Foundation; either
   version 2.1 of the License, or (at your option) any later version.

   The GNU C Library is distributed in the hope that it will be useful,
   but WITHOUT ANY WARRANTY; without even the implied warranty of
   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
   Lesser General Public License for more details.

   You should have received a copy of the GNU Lesser General Public
   License along with the GNU C Library; if not, write to the Free
   Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
   02111-1307 USA.  */

#include <dlfcn.h>
#include <pthread.h>
#include <stdlib.h>

#include <shlib-compat.h>


#if SHLIB_COMPAT(libc, GLIBC_2_0, GLIBC_2_3_2)
static void *libpthread_handle;


static void
test_loaded (void)
{
  void *h = __libc_dlopen_mode ("libpthread.so.0", RTLD_LAZY | RTLD_NOLOAD);

  libpthread_handle = h ?: (void *) -1l;
}


#define FORWARD3(name, rettype, decl, params, defaction, version) \
rettype									      \
__noexport_##name decl							      \
{									      \
  if (libpthread_handle == NULL)					      \
    test_loaded ();							      \
									      \
  if (libpthread_handle == (void *) -1l)				      \
    defaction;								      \
									      \
  static __typeof (name) *p;						      \
  p = __libc_dlsym (libpthread_handle, #name);				      \
									      \
  return p params;							      \
}									      \
compat_symbol (libc, __noexport_##name, name, version)

#define FORWARD2(name, decl, params, defretval, version) \
  FORWARD3 (name, int, decl, params, return defretval, version)

#define FORWARD(name, decl, params, defretval) \
  FORWARD2 (name, decl, params, defretval, GLIBC_2_0)


FORWARD (pthread_attr_destroy, (pthread_attr_t *attr), (attr), 0);

FORWARD2 (pthread_attr_init, (pthread_attr_t *attr), (attr), 0, GLIBC_2_1);

FORWARD (pthread_attr_getdetachstate,
	 (const pthread_attr_t *attr, int *detachstate), (attr, detachstate),
	 0);
FORWARD (pthread_attr_setdetachstate, (pthread_attr_t *attr, int detachstate),
	 (attr, detachstate), 0);

FORWARD (pthread_attr_getinheritsched,
	 (const pthread_attr_t *attr, int *inherit), (attr, inherit), 0);
FORWARD (pthread_attr_setinheritsched, (pthread_attr_t *attr, int inherit),
	 (attr, inherit), 0);

FORWARD (pthread_attr_getschedparam,
	 (const pthread_attr_t *attr, struct sched_param *param),
	 (attr, param), 0);
FORWARD (pthread_attr_setschedparam,
	 (pthread_attr_t *attr, const struct sched_param *param),
	 (attr, param), 0);

FORWARD (pthread_attr_getschedpolicy,
	 (const pthread_attr_t *attr, int *policy), (attr, policy), 0);
FORWARD (pthread_attr_setschedpolicy, (pthread_attr_t *attr, int policy),
	 (attr, policy), 0);

FORWARD (pthread_attr_getscope,
	 (const pthread_attr_t *attr, int *scope), (attr, scope), 0);
FORWARD (pthread_attr_setscope, (pthread_attr_t *attr, int scope),
	 (attr, scope), 0);


FORWARD (pthread_condattr_destroy, (pthread_condattr_t *attr), (attr), 0);
FORWARD (pthread_condattr_init, (pthread_condattr_t *attr), (attr), 0);


FORWARD (pthread_cond_broadcast, (pthread_cond_t *cond), (cond), 0);

FORWARD (pthread_cond_destroy, (pthread_cond_t *cond), (cond), 0);

FORWARD (pthread_cond_init,
	 (pthread_cond_t *cond, const pthread_condattr_t *cond_attr),
	 (cond, cond_attr), 0);

FORWARD (pthread_cond_signal, (pthread_cond_t *cond), (cond), 0);

FORWARD (pthread_cond_wait, (pthread_cond_t *cond, pthread_mutex_t *mutex),
	 (cond, mutex), 0);


FORWARD (pthread_equal, (pthread_t thread1, pthread_t thread2),
	 (thread1, thread2), 1);


FORWARD3 (pthread_exit, void, (void *retval), (retval), exit (EXIT_SUCCESS),
	  GLIBC_2_0);


FORWARD (pthread_getschedparam,
	 (pthread_t target_thread, int *policy, struct sched_param *param),
	 (target_thread, policy, param), 0);
FORWARD (pthread_setschedparam,
	 (pthread_t target_thread, int policy,
	  const struct sched_param *param), (target_thread, policy, param), 0);


FORWARD (pthread_mutex_destroy, (pthread_mutex_t *mutex), (mutex), 0);

FORWARD (pthread_mutex_init,
	 (pthread_mutex_t *mutex, const pthread_mutexattr_t *mutexattr),
	 (mutex, mutexattr), 0);

FORWARD (pthread_mutex_lock, (pthread_mutex_t *mutex), (mutex), 0);

FORWARD (pthread_mutex_unlock, (pthread_mutex_t *mutex), (mutex), 0);


FORWARD3 (pthread_self, pthread_t, (void), (), return 0, GLIBC_2_0);


FORWARD (pthread_setcancelstate, (int state, int *oldstate), (state, oldstate),
	 0);

FORWARD (pthread_setcanceltype, (int type, int *oldtype), (type, oldtype), 0);


#endif