| //===-- random.h ------------------------------------------------*- C++ -*-===// |
| // |
| // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. |
| // See https://llvm.org/LICENSE.txt for license information. |
| // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception |
| // |
| //===----------------------------------------------------------------------===// |
| |
| #ifndef GWP_ASAN_RANDOM_H_ |
| #define GWP_ASAN_RANDOM_H_ |
| |
| #include <stdint.h> |
| |
| namespace gwp_asan { |
| // Initialise the PRNG, using time and thread ID as the seed. |
| void initPRNG(); |
| |
| // xorshift (32-bit output), extremely fast PRNG that uses arithmetic operations |
| // only. Seeded using walltime. |
| uint32_t getRandomUnsigned32(); |
| } // namespace gwp_asan |
| |
| #endif // GWP_ASAN_RANDOM_H_ |
