diff options
Diffstat (limited to 'misc/random.c')
| -rw-r--r-- | misc/random.c | 12 |
1 files changed, 6 insertions, 6 deletions
diff --git a/misc/random.c b/misc/random.c index 780c67ec10..e622ab7f3b 100644 --- a/misc/random.c +++ b/misc/random.c @@ -19,12 +19,12 @@ */ #include <stdint.h> -#include <pthread.h> +#include "osdep/threads.h" #include "random.h" static uint64_t state[4]; -static pthread_mutex_t state_mutex = PTHREAD_MUTEX_INITIALIZER; +static mp_static_mutex state_mutex = MP_STATIC_MUTEX_INITIALIZER; static inline uint64_t rotl_u64(const uint64_t x, const int k) { @@ -41,18 +41,18 @@ static inline uint64_t splitmix64(uint64_t *const x) void mp_rand_seed(uint64_t seed) { - pthread_mutex_lock(&state_mutex); + mp_mutex_lock(&state_mutex); state[0] = seed; for (int i = 1; i < 4; i++) state[i] = splitmix64(&seed); - pthread_mutex_unlock(&state_mutex); + mp_mutex_unlock(&state_mutex); } uint64_t mp_rand_next(void) { uint64_t result, t; - pthread_mutex_lock(&state_mutex); + mp_mutex_lock(&state_mutex); result = rotl_u64(state[1] * 5, 7) * 9; t = state[1] << 17; @@ -64,7 +64,7 @@ uint64_t mp_rand_next(void) state[2] ^= t; state[3] = rotl_u64(state[3], 45); - pthread_mutex_unlock(&state_mutex); + mp_mutex_unlock(&state_mutex); return result; } |