chore: checkpoint before Python removal

vendor/aws-lc-sys/aws-lc/crypto/bio/errno.c

@@ -0,0 +1,39 @@
+// Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com) All rights reserved.
+// SPDX-License-Identifier: Apache-2.0
+
+#include <openssl/bio.h>
+
+#include <errno.h>
+
+#include "internal.h"
+
+
+int bio_errno_should_retry(int return_value) {
+  if (return_value != -1) {
+    return 0;
+  }
+
+  return
+#ifdef EWOULDBLOCK
+      errno == EWOULDBLOCK ||
+#endif
+#ifdef ENOTCONN
+      errno == ENOTCONN ||
+#endif
+#ifdef EINTR
+      errno == EINTR ||
+#endif
+#ifdef EAGAIN
+      errno == EAGAIN ||
+#endif
+#ifdef EPROTO
+      errno == EPROTO ||
+#endif
+#ifdef EINPROGRESS
+      errno == EINPROGRESS ||
+#endif
+#ifdef EALREADY
+      errno == EALREADY ||
+#endif
+      0;
+}