about summary refs log tree commit diff
path: root/nptl/old_pthread_cond_init.c
blob: df0f1fd7e85191a929318758c0004a24fcd2dc3f (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
/* Copyright (C) 2002-2020 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, see
   <https://www.gnu.org/licenses/>.  */

#include <errno.h>
#include "pthreadP.h"
#include <shlib-compat.h>


#if SHLIB_COMPAT(libpthread, GLIBC_2_0, GLIBC_2_3_2)
int
__pthread_cond_init_2_0 (pthread_cond_2_0_t *cond,
			 const pthread_condattr_t *cond_attr)
{
  struct pthread_condattr *icond_attr = (struct pthread_condattr *) cond_attr;

  /* The type of the first argument is actually that of the old, too
     small pthread_cond_t.  We use only the first word of it, as a
     pointer.  */
  cond->cond = NULL;

  /* We can't support PSHARED condvars in the old pthread_cond_*
     functions and neither clocks other than CLOCK_REALTIME.  */
  if (icond_attr != NULL && icond_attr->value)
    return EINVAL;

  return 0;
}
compat_symbol (libpthread, __pthread_cond_init_2_0, pthread_cond_init,
	       GLIBC_2_0);
#endif