sysdeps/htl/pt-cond-init.c

   1 /* pthread_cond_init.  Generic version.
   2    Copyright (C) 2002-2024 Free Software Foundation, Inc.
   3    This file is part of the GNU C Library.
   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 #include <pthread.h>
  20 #include <assert.h>
  21 #include <string.h>
  22
  23 #include <pt-internal.h>
  24
  25 int
  26 __pthread_cond_init (pthread_cond_t *cond, const pthread_condattr_t * attr)
  27 {
  28   ASSERT_TYPE_SIZE (pthread_cond_t, __SIZEOF_PTHREAD_COND_T);
  29
  30   *cond = (pthread_cond_t) __PTHREAD_COND_INITIALIZER;
  31
  32   if (attr == NULL
  33       || memcmp (attr, &__pthread_default_condattr, sizeof (*attr)) == 0)
  34     /* Use the default attributes.  */
  35     return 0;
  36
  37   /* Non-default attributes.  */
  38
  39   cond->__attr = malloc (sizeof *attr);
  40   if (cond->__attr == NULL)
  41     return ENOMEM;
  42
  43   *cond->__attr = *attr;
  44   return 0;
  45 }
  46
  47 weak_alias (__pthread_cond_init, pthread_cond_init);