bio->num_read = 0L;
bio->num_write = 0L;
CRYPTO_new_ex_data(CRYPTO_EX_INDEX_BIO, bio, &bio->ex_data);
- if (method->create != NULL)
+
+ bio->lock = CRYPTO_THREAD_lock_new();
+ if (bio->lock == NULL) {
+ CRYPTO_free_ex_data(CRYPTO_EX_INDEX_BIO, bio, &bio->ex_data);
+ return 0;
+ }
+
+ if (method->create != NULL) {
if (!method->create(bio)) {
CRYPTO_free_ex_data(CRYPTO_EX_INDEX_BIO, bio, &bio->ex_data);
- return (0);
+ CRYPTO_THREAD_lock_free(bio->lock);
+ return 0;
}
- return (1);
+ }
+
+ return 1;
}
int BIO_free(BIO *a)
int i;
if (a == NULL)
- return (0);
+ return 0;
+
+ if (CRYPTO_atomic_add(&a->references, -1, &i, a->lock) <= 0)
+ return 0;
- i = CRYPTO_add(&a->references, -1, CRYPTO_LOCK_BIO);
REF_PRINT_COUNT("BIO", a);
if (i > 0)
- return (1);
+ return 1;
REF_ASSERT_ISNT(i < 0);
if ((a->callback != NULL) &&
((i = (int)a->callback(a, BIO_CB_FREE, NULL, 0, 0L, 1L)) <= 0))
- return (i);
+ return i;
CRYPTO_free_ex_data(CRYPTO_EX_INDEX_BIO, a, &a->ex_data);
+ CRYPTO_THREAD_lock_free(a->lock);
+
if ((a->method != NULL) && (a->method->destroy != NULL))
a->method->destroy(a);
+
OPENSSL_free(a);
- return (1);
+
+ return 1;
}
void BIO_vfree(BIO *a)
BIO_free(a);
}
+int BIO_up_ref(BIO *a)
+{
+ int i;
+
+ if (CRYPTO_atomic_add(&a->references, 1, &i, a->lock) <= 0)
+ return 0;
+
+ REF_PRINT_COUNT("BIO", a);
+ REF_ASSERT_ISNT(i < 2);
+ return ((i > 1) ? 1 : 0);
+}
+
void BIO_clear_flags(BIO *b, int flags)
{
b->flags &= ~flags;