sysdeps/pthread/sem_close.c

   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 "semaphoreP.h"
  20 #include <sem_routines.h>
  21
  22 int
  23 __sem_close (sem_t *sem)
  24 {
  25   if (!__sem_remove_mapping (sem))
  26     {
  27       __set_errno (EINVAL);
  28       return -1;
  29     }
  30
  31   return 0;
  32 }
  33 #if PTHREAD_IN_LIBC
  34 versioned_symbol (libc, __sem_close, sem_close, GLIBC_2_34);
  35 # if OTHER_SHLIB_COMPAT (libpthread, GLIBC_2_1_1, GLIBC_2_34)
  36 compat_symbol (libpthread, __sem_close, sem_close, GLIBC_2_1_1);
  37 # endif
  38 #else /* !PTHREAD_IN_LIBC */
  39 strong_alias (__sem_close, sem_close)
  40 #endif