chore: checkpoint before Python removal

vendor/aws-lc-sys/aws-lc/ssl/test/async_bio.h

@@ -0,0 +1,32 @@
+// Copyright (c) 2014, Google Inc.
+// SPDX-License-Identifier: ISC
+
+#ifndef HEADER_ASYNC_BIO
+#define HEADER_ASYNC_BIO
+
+#include <openssl/bio.h>
+
+
+// AsyncBioCreate creates a filter BIO for testing asynchronous state
+// machines which consume a stream socket. Reads and writes will fail
+// and return EAGAIN unless explicitly allowed. Each async BIO has a
+// read quota and a write quota. Initially both are zero. As each is
+// incremented, bytes are allowed to flow through the BIO.
+bssl::UniquePtr<BIO> AsyncBioCreate();
+
+// AsyncBioCreateDatagram creates a filter BIO for testing for
+// asynchronous state machines which consume datagram sockets. The read
+// and write quota count in packets rather than bytes.
+bssl::UniquePtr<BIO> AsyncBioCreateDatagram();
+
+// AsyncBioAllowRead increments |bio|'s read quota by |count|.
+void AsyncBioAllowRead(BIO *bio, size_t count);
+
+// AsyncBioAllowWrite increments |bio|'s write quota by |count|.
+void AsyncBioAllowWrite(BIO *bio, size_t count);
+
+// AsyncBioEnforceWriteQuota configures where |bio| enforces its write quota.
+void AsyncBioEnforceWriteQuota(BIO *bio, bool enforce);
+
+
+#endif  // HEADER_ASYNC_BIO