ceph/src/pmdk/src/common/rand.h

   1 /* SPDX-License-Identifier: BSD-3-Clause */
   2 /* Copyright 2019-2020, Intel Corporation */
   3
   4 /*
   5  * rand.h -- random utils
   6  */
   7
   8 #ifndef RAND_H
   9 #define RAND_H 1
  10
  11 #include <stdint.h>
  12
  13 #ifdef __cplusplus
  14 extern "C" {
  15 #endif
  16
  17 typedef uint64_t rng_t[4];
  18
  19 uint64_t hash64(uint64_t x);
  20 uint64_t rnd64_r(rng_t *rng);
  21 void randomize_r(rng_t *rng, uint64_t seed);
  22 uint64_t rnd64(void);
  23 void randomize(uint64_t seed);
  24
  25 #ifdef __cplusplus
  26 }
  27 #endif
  28
  29 #endif