/* Get the value of a semaphore. Generic version. Copyright (C) 2005-2018 Free Software Foundation, Inc. This file is part of the GNU C Library. The GNU C Library is free software; you can redistribute it and/or modify it under the terms of the GNU Library General Public License as published by the Free Software Foundation; either version 2 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 Library General Public License for more details. You should have received a copy of the GNU Library General Public License along with the GNU C Library; see the file COPYING.LIB. If not, see . */ #include #include int __sem_getvalue (sem_t *restrict sem, int *restrict value) { __pthread_spin_lock (&sem->__lock); *value = sem->__value; __pthread_spin_unlock (&sem->__lock); return 0; } strong_alias (__sem_getvalue, sem_getvalue);