Make opendir test for EINTR again and make NO_RETRY_EXPECTED check in release mode.

runtime/bin/directory_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/directory.h"
 
 #include <dirent.h>  // NOLINT
@@ skipping 227 matching lines @@
   if (NO_RETRY_EXPECTED(lstat64(path->AsString(), &st)) == -1) {
     return false;
   } else if (S_ISREG(st.st_mode) || S_ISLNK(st.st_mode)) {
     return (NO_RETRY_EXPECTED(unlink(path->AsString())) == 0);
   }
 
   if (!path->Add(File::PathSeparator())) return false;
 
   // Not a link. Attempt to open as a directory and recurse into the
   // directory.
-  DIR* dir_pointer = opendir(path->AsString());
+  DIR* dir_pointer;
+  do {
+    dir_pointer = opendir(path->AsString());
+  } while (dir_pointer == NULL && errno == EINTR);
   if (dir_pointer == NULL) {
     return false;
   }
 
   // Iterate the directory and delete all files and directories.
   int path_length = path->length();
   dirent entry;
   dirent* result;
   while (NO_RETRY_EXPECTED(readdir_r(dir_pointer, &entry, &result)) == 0) {
     if (result == NULL) {
@@ skipping 174 matching lines @@
 bool Directory::Rename(const char* path, const char* new_path) {
   ExistsResult exists = Exists(path);
   if (exists != EXISTS) return false;
   return NO_RETRY_EXPECTED(rename(path, new_path)) == 0;
 }
 
 }  // namespace bin
 }  // namespace dart
 
 #endif  // defined(TARGET_OS_LINUX)