Also make eventhandler on Android edge-triggered.

runtime/bin/eventhandler_linux.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.
 
 #include "platform/globals.h"
 #if defined(TARGET_OS_LINUX)
 
 #include "bin/eventhandler.h"
 
 #include <errno.h>  // NOLINT
 #include <pthread.h>  // NOLINT
 #include <stdio.h>  // NOLINT
 #include <string.h>  // NOLINT
 #include <sys/epoll.h>  // NOLINT
 #include <sys/stat.h>  // NOLINT
 #include <sys/timerfd.h>  // NOLINT
 #include <unistd.h>  // NOLINT
 #include <fcntl.h>  // NOLINT
 
 #include "bin/dartutils.h"
 #include "bin/fdutils.h"
 #include "bin/log.h"
 #include "bin/utils.h"
 #include "platform/hashmap.h"
 #include "platform/thread.h"
 #include "platform/utils.h"
-#include "vm/thread.h"
 
 
 namespace dart {
 namespace bin {
 
 static const int kInterruptMessageSize = sizeof(InterruptMessage);
 static const int kTimerId = -1;
 static const int kShutdownId = -2;
 
 
@@ skipping 204 matching lines @@
 #ifdef DEBUG_POLL
   PrintEventMask(sd->fd(), events);
 #endif
   intptr_t event_mask = 0;
   if (sd->IsListeningSocket()) {
     // For listening sockets the EPOLLIN event indicate that there are
     // connections ready for accept unless accompanied with one of the
     // other flags.
     if ((events & EPOLLIN) != 0) {
       if ((events & EPOLLHUP) != 0) event_mask |= (1 << kCloseEvent);
-      if ((events & EPOLLERR) != 0) {
-        event_mask |= (1 << kErrorEvent);
-      }
+      if ((events & EPOLLERR) != 0) event_mask |= (1 << kErrorEvent);
       if (event_mask == 0) event_mask |= (1 << kInEvent);
     }
   } else {
     // Prioritize data events over close and error events.
     if ((events & (EPOLLIN | EPOLLHUP | EPOLLRDHUP)) != 0) {
       // If we have EPOLLIN and we have available bytes, report that.
       if ((events & EPOLLIN) != 0) {
         event_mask = (1 << kInEvent);
       }
       if ((events & (EPOLLHUP | EPOLLRDHUP)) != 0) {
@@ skipping 108 matching lines @@
 
 uint32_t EventHandlerImplementation::GetHashmapHashFromFd(intptr_t fd) {
   // The hashmap does not support keys with value 0.
   return dart::Utils::WordHash(fd + 1);
 }
 
 }  // namespace bin
 }  // namespace dart
 
 #endif  // defined(TARGET_OS_LINUX)