in src/main/native/org/apache/commons/crypto/random/OpenSslCryptoRandomNative.c [222:235]
static void locks_setup(void)
{
if (dlsym_OpenSSL_version_num() < VERSION_1_1_X) {
int i;
lock_cs = dlsym_CRYPTO_malloc(dlsym_CRYPTO_num_locks() * sizeof(pthread_mutex_t), __FILE__, __LINE__);
for (i = 0; i < dlsym_CRYPTO_num_locks(); i++) {
pthread_mutex_init(&(lock_cs[i]), NULL);
}
dlsym_CRYPTO_set_id_callback((unsigned long (*)())pthreads_thread_id);
dlsym_CRYPTO_set_locking_callback((void (*)())pthreads_locking_callback);
}
}