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Edit File: atomic_wide_counter.h
/* Monotonically increasing wide counters (at least 62 bits). Copyright (C) 2016-2021 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 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/>. */ #ifndef _BITS_ATOMIC_WIDE_COUNTER_H #define _BITS_ATOMIC_WIDE_COUNTER_H /* Counter that is monotonically increasing (by less than 2**31 per increment), with a single writer, and an arbitrary number of readers. */ typedef union { __extension__ unsigned long long int __value64; struct { unsigned int __low; unsigned int __high; } __value32; } __atomic_wide_counter; #endif /* _BITS_ATOMIC_WIDE_COUNTER_H */