1*71db0c75SAndroid Build Coastguard Worker //===-- Shared utility for rand -------------------------------------------===// 2*71db0c75SAndroid Build Coastguard Worker // 3*71db0c75SAndroid Build Coastguard Worker // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. 4*71db0c75SAndroid Build Coastguard Worker // See https://llvm.org/LICENSE.txt for license information. 5*71db0c75SAndroid Build Coastguard Worker // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception 6*71db0c75SAndroid Build Coastguard Worker // 7*71db0c75SAndroid Build Coastguard Worker //===----------------------------------------------------------------------===// 8*71db0c75SAndroid Build Coastguard Worker 9*71db0c75SAndroid Build Coastguard Worker #include "src/stdlib/rand_util.h" 10*71db0c75SAndroid Build Coastguard Worker #include "src/__support/CPP/atomic.h" 11*71db0c75SAndroid Build Coastguard Worker #include "src/__support/macros/attributes.h" 12*71db0c75SAndroid Build Coastguard Worker #include "src/__support/macros/config.h" 13*71db0c75SAndroid Build Coastguard Worker 14*71db0c75SAndroid Build Coastguard Worker namespace LIBC_NAMESPACE_DECL { 15*71db0c75SAndroid Build Coastguard Worker 16*71db0c75SAndroid Build Coastguard Worker // C standard 7.10p2: If 'rand' is called before 'srand' it is to 17*71db0c75SAndroid Build Coastguard Worker // proceed as if the 'srand' function was called with a value of '1'. 18*71db0c75SAndroid Build Coastguard Worker cpp::Atomic<unsigned long> rand_next = 1; 19*71db0c75SAndroid Build Coastguard Worker 20*71db0c75SAndroid Build Coastguard Worker } // namespace LIBC_NAMESPACE_DECL 21