1 /* Copyright (C) 2002-2022 Free Software Foundation, Inc.
2 This file is part of the GNU C Library.
3
4 The GNU C Library is free software; you can redistribute it and/or
5 modify it under the terms of the GNU Lesser General Public
6 License as published by the Free Software Foundation; either
7 version 2.1 of the License, or (at your option) any later version.
8
9 The GNU C Library is distributed in the hope that it will be useful,
10 but WITHOUT ANY WARRANTY; without even the implied warranty of
11 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
12 Lesser General Public License for more details.
13
14 You should have received a copy of the GNU Lesser General Public
15 License along with the GNU C Library; if not, see
16 <https://www.gnu.org/licenses/>. */
17
18 #include <errno.h>
19 #include "pthreadP.h"
20 #include <shlib-compat.h>
21
22
23 #if SHLIB_COMPAT(libc, GLIBC_2_0, GLIBC_2_3_2)
24 int
__pthread_cond_init_2_0(pthread_cond_2_0_t * cond,const pthread_condattr_t * cond_attr)25 __pthread_cond_init_2_0 (pthread_cond_2_0_t *cond,
26 const pthread_condattr_t *cond_attr)
27 {
28 struct pthread_condattr *icond_attr = (struct pthread_condattr *) cond_attr;
29
30 /* The type of the first argument is actually that of the old, too
31 small pthread_cond_t. We use only the first word of it, as a
32 pointer. */
33 cond->cond = NULL;
34
35 /* We can't support PSHARED condvars in the old pthread_cond_*
36 functions and neither clocks other than CLOCK_REALTIME. */
37 if (icond_attr != NULL && icond_attr->value)
38 return EINVAL;
39
40 return 0;
41 }
42 compat_symbol (libc, __pthread_cond_init_2_0, pthread_cond_init,
43 GLIBC_2_0);
44 #endif
45