Fuchsia: Throttle epoll to prevent message queues from being overwhelmed with level-triggered event…

runtime/bin/secure_socket_boringssl.cc

 // Copyright (c) 2012, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 #if !defined(DART_IO_DISABLED) && !defined(DART_IO_SECURE_SOCKET_DISABLED)
 
 #include "platform/globals.h"
 #if defined(TARGET_OS_ANDROID) || defined(TARGET_OS_LINUX) ||                  \
     defined(TARGET_OS_WINDOWS) || defined(TARGET_OS_FUCHSIA)
 
@@ skipping 1504 matching lines @@
   status = BIO_new_bio_pair(&ssl_side, kInternalBIOSize, &socket_side_,
                             kInternalBIOSize);
   CheckStatus(status, "TlsException", "BIO_new_bio_pair");
 
   assert(context != NULL);
   ssl_ = SSL_new(context);
   SSL_set_bio(ssl_, ssl_side, ssl_side);
   SSL_set_mode(ssl_, SSL_MODE_AUTO_RETRY);  // TODO(whesse): Is this right?
   SSL_set_ex_data(ssl_, filter_ssl_index, this);
 
-#if defined(TARGET_OS_FUCHSIA)
-  // Temporary workaround until we isolate the memory leak issue.
-  SSL_set_verify(ssl_, SSL_VERIFY_NONE, NULL);
-#else
   if (is_server_) {
     int certificate_mode =
         request_client_certificate ? SSL_VERIFY_PEER : SSL_VERIFY_NONE;
     if (require_client_certificate) {
       certificate_mode |= SSL_VERIFY_FAIL_IF_NO_PEER_CERT;
     }
     SSL_set_verify(ssl_, certificate_mode, NULL);
   } else {
     SetAlpnProtocolList(protocols_handle, ssl_, NULL, false);
     status = SSL_set_tlsext_host_name(ssl_, hostname);
     CheckStatus(status, "TlsException", "Set SNI host name");
     // Sets the hostname in the certificate-checking object, so it is checked
     // against the certificate presented by the server.
     X509_VERIFY_PARAM* certificate_checking_parameters = SSL_get0_param(ssl_);
     hostname_ = strdup(hostname);
     X509_VERIFY_PARAM_set_flags(
         certificate_checking_parameters,
         X509_V_FLAG_PARTIAL_CHAIN | X509_V_FLAG_TRUSTED_FIRST);
     X509_VERIFY_PARAM_set_hostflags(certificate_checking_parameters, 0);
     status = X509_VERIFY_PARAM_set1_host(certificate_checking_parameters,
                                          hostname_, strlen(hostname_));
     CheckStatus(status, "TlsException",
                 "Set hostname for certificate checking");
   }
-#endif  // defined(TARGET_OS_FUCHSIA)
   // Make the connection:
   if (is_server_) {
     status = SSL_accept(ssl_);
     if (SSL_LOG_STATUS) {
       Log::Print("SSL_accept status: %d\n", status);
     }
     if (status != 1) {
       // TODO(whesse): expect a needs-data error here.  Handle other errors.
       error = SSL_get_error(ssl_, status);
       if (SSL_LOG_STATUS) {
@@ skipping 214 matching lines @@
   return bytes_processed;
 }
 
 }  // namespace bin
 }  // namespace dart
 
 #endif  // defined(TARGET_OS_LINUX)
 
 #endif  // !defined(DART_IO_DISABLED) &&
         // !defined(DART_IO_SECURE_SOCKET_DISABLED)