diff options
Diffstat (limited to 'contrib/bc/src/rand.c')
| -rw-r--r-- | contrib/bc/src/rand.c | 11 |
1 files changed, 8 insertions, 3 deletions
diff --git a/contrib/bc/src/rand.c b/contrib/bc/src/rand.c index bfc79be7cfb9..a3b8942a6042 100644 --- a/contrib/bc/src/rand.c +++ b/contrib/bc/src/rand.c @@ -461,16 +461,21 @@ BcRand bc_rand_int(BcRNG *r) { // Get the actual PRNG. BcRNGData *rng = bc_vec_top(&r->v); + BcRand res; // Make sure the PRNG is seeded. if (BC_ERR(BC_RAND_ZERO(rng))) bc_rand_srand(rng); - // This is the important part of the PRNG. This is the stuff from PCG, - // including the return statement. + BC_SIG_LOCK; + + // This is the important part of the PRNG. This is the stuff from PCG. bc_rand_step(rng); bc_rand_propagate(r, rng); + res = bc_rand_output(rng); - return bc_rand_output(rng); + BC_SIG_UNLOCK; + + return res; } BcRand bc_rand_bounded(BcRNG *r, BcRand bound) { |