diff options
Diffstat (limited to 'src/prng')
| -rw-r--r-- | src/prng/random.c | 18 |
1 files changed, 9 insertions, 9 deletions
diff --git a/src/prng/random.c b/src/prng/random.c index cc5702e..4ad6205 100644 --- a/src/prng/random.c +++ b/src/prng/random.c @@ -33,7 +33,7 @@ static int n = 31; static int i = 3; static int j = 0; static uint32_t *x = init+1; -static int lock; +static int lock[2]; static uint32_t lcg31(uint32_t x) { return (1103515245*x + 12345) & 0x7fffffff; @@ -74,9 +74,9 @@ static void __srandom(unsigned seed) { } void srandom(unsigned seed) { - LOCK(&lock); + LOCK(lock); __srandom(seed); - UNLOCK(&lock); + UNLOCK(lock); } char *initstate(unsigned seed, char *state, size_t size) { @@ -84,7 +84,7 @@ char *initstate(unsigned seed, char *state, size_t size) { if (size < 8) return 0; - LOCK(&lock); + LOCK(lock); old = savestate(); if (size < 32) n = 0; @@ -98,24 +98,24 @@ char *initstate(unsigned seed, char *state, size_t size) { n = 63; x = (uint32_t*)state + 1; __srandom(seed); - UNLOCK(&lock); + UNLOCK(lock); return old; } char *setstate(char *state) { void *old; - LOCK(&lock); + LOCK(lock); old = savestate(); loadstate((uint32_t*)state); - UNLOCK(&lock); + UNLOCK(lock); return old; } long random(void) { long k; - LOCK(&lock); + LOCK(lock); if (n == 0) { k = x[0] = lcg31(x[0]); goto end; @@ -127,6 +127,6 @@ long random(void) { if (++j == n) j = 0; end: - UNLOCK(&lock); + UNLOCK(lock); return k; } |