15d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles)// Copyright (c) 2011-2013 The LevelDB Authors. All rights reserved. 25d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles)// Use of this source code is governed by a BSD-style license that can be 35d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles)// found in the LICENSE file. See the AUTHORS file for names of contributors. 45d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) 55d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles)#include <errno.h> 65d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) 75d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles)#include "base/debug/trace_event.h" 85d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles)#include "base/metrics/histogram.h" 95d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles)#include "base/posix/eintr_wrapper.h" 105d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles)#include "base/strings/utf_string_conversions.h" 115d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles)#include "chromium_logger.h" 125d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles)#include "env_chromium_stdio.h" 135d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) 145d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles)#if defined(OS_WIN) 155d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles)#include <io.h> 165d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles)#include "base/win/win_util.h" 175d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles)#endif 185d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) 195d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles)#if defined(OS_POSIX) 205d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles)#include <dirent.h> 215d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles)#include <fcntl.h> 225d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles)#include <sys/resource.h> 235d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles)#endif 245d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) 255d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles)using namespace leveldb; 265d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) 275d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles)namespace leveldb_env { 285d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) 295d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles)namespace { 305d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) 315d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles)#if (defined(OS_POSIX) && !defined(OS_LINUX)) || defined(OS_WIN) 325d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles)// The following are glibc-specific 335d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) 345d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles)size_t fread_unlocked(void* ptr, size_t size, size_t n, FILE* file) { 355d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) return fread(ptr, size, n, file); 365d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles)} 375d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) 385d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles)size_t fwrite_unlocked(const void* ptr, size_t size, size_t n, FILE* file) { 395d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) return fwrite(ptr, size, n, file); 405d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles)} 415d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) 425d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles)int fflush_unlocked(FILE* file) { return fflush(file); } 435d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) 445d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles)#if !defined(OS_ANDROID) 455d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles)int fdatasync(int fildes) { 465d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles)#if defined(OS_WIN) 475d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) return _commit(fildes); 485d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles)#else 495d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) return HANDLE_EINTR(fsync(fildes)); 505d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles)#endif 515d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles)} 525d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles)#endif 535d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) 545d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles)#endif 555d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) 565d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles)// Wide-char safe fopen wrapper. 575d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles)FILE* fopen_internal(const char* fname, const char* mode) { 585d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles)#if defined(OS_WIN) 595d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) return _wfopen(base::UTF8ToUTF16(fname).c_str(), 605d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) base::ASCIIToUTF16(mode).c_str()); 615d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles)#else 625d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) return fopen(fname, mode); 635d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles)#endif 645d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles)} 655d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) 665d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles)class ChromiumSequentialFile : public SequentialFile { 675d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) private: 685d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) std::string filename_; 695d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) FILE* file_; 705d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) const UMALogger* uma_logger_; 715d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) 725d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) public: 735d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) ChromiumSequentialFile(const std::string& fname, 745d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) FILE* f, 755d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) const UMALogger* uma_logger) 765d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) : filename_(fname), file_(f), uma_logger_(uma_logger) {} 775d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) virtual ~ChromiumSequentialFile() { fclose(file_); } 785d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) 795d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) virtual Status Read(size_t n, Slice* result, char* scratch) { 805d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) Status s; 815d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) size_t r = fread_unlocked(scratch, 1, n, file_); 825d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) *result = Slice(scratch, r); 835d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) if (r < n) { 845d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) if (feof(file_)) { 855d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) // We leave status as ok if we hit the end of the file 865d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) } else { 875d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) // A partial read with an error: return a non-ok status 885d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) s = MakeIOError(filename_, strerror(errno), kSequentialFileRead, errno); 895d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) uma_logger_->RecordErrorAt(kSequentialFileRead); 905d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) } 915d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) } 925d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) return s; 935d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) } 945d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) 955d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) virtual Status Skip(uint64_t n) { 965d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) if (fseek(file_, n, SEEK_CUR)) { 975d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) int saved_errno = errno; 985d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) uma_logger_->RecordErrorAt(kSequentialFileSkip); 995d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) return MakeIOError( 1005d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) filename_, strerror(saved_errno), kSequentialFileSkip, saved_errno); 1015d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) } 1025d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) return Status::OK(); 1035d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) } 1045d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles)}; 1055d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) 1065d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles)class ChromiumRandomAccessFile : public RandomAccessFile { 1075d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) private: 1085d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) std::string filename_; 109a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles) mutable ::base::File file_; 1105d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) const UMALogger* uma_logger_; 1115d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) 1125d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) public: 1135d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) ChromiumRandomAccessFile(const std::string& fname, 114a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles) ::base::File file, 1155d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) const UMALogger* uma_logger) 116a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles) : filename_(fname), file_(file.Pass()), uma_logger_(uma_logger) {} 117a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles) virtual ~ChromiumRandomAccessFile() {} 1185d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) 1195d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) virtual Status Read(uint64_t offset, size_t n, Slice* result, char* scratch) 1205d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) const { 1215d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) Status s; 122a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles) int r = file_.Read(offset, scratch, n); 1235d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) *result = Slice(scratch, (r < 0) ? 0 : r); 1245d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) if (r < 0) { 1255d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) // An error: return a non-ok status 1265d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) s = MakeIOError( 1275d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) filename_, "Could not perform read", kRandomAccessFileRead); 1285d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) uma_logger_->RecordErrorAt(kRandomAccessFileRead); 1295d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) } 1305d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) return s; 1315d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) } 1325d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles)}; 1335d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) 1345d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles)} // unnamed namespace 1355d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) 1365d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles)ChromiumWritableFile::ChromiumWritableFile(const std::string& fname, 1375d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) FILE* f, 1385d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) const UMALogger* uma_logger, 1395d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) WriteTracker* tracker, 1405d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) bool make_backup) 1415d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) : filename_(fname), 1425d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) file_(f), 1435d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) uma_logger_(uma_logger), 1445d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) tracker_(tracker), 1455d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) file_type_(kOther), 1465d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) make_backup_(make_backup) { 1475d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) base::FilePath path = base::FilePath::FromUTF8Unsafe(fname); 1485d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) if (FilePathToString(path.BaseName()).find("MANIFEST") == 0) 1495d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) file_type_ = kManifest; 1505d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) else if (ChromiumEnv::HasTableExtension(path)) 1515d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) file_type_ = kTable; 1525d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) if (file_type_ != kManifest) 1535d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) tracker_->DidCreateNewFile(filename_); 1545d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) parent_dir_ = FilePathToString(ChromiumEnv::CreateFilePath(fname).DirName()); 1555d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles)} 1565d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) 1575d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles)ChromiumWritableFile::~ChromiumWritableFile() { 1585d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) if (file_ != NULL) { 1595d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) // Ignoring any potential errors 1605d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) fclose(file_); 1615d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) } 1625d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles)} 1635d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) 1645d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles)Status ChromiumWritableFile::SyncParent() { 1655d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) Status s; 1665d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles)#if !defined(OS_WIN) 1675d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) TRACE_EVENT0("leveldb", "SyncParent"); 1685d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) 1695d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) int parent_fd = HANDLE_EINTR(open(parent_dir_.c_str(), O_RDONLY)); 1705d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) if (parent_fd < 0) { 1715d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) int saved_errno = errno; 1725d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) return MakeIOError( 1735d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) parent_dir_, strerror(saved_errno), kSyncParent, saved_errno); 1745d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) } 1755d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) if (HANDLE_EINTR(fsync(parent_fd)) != 0) { 1765d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) int saved_errno = errno; 1775d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) s = MakeIOError( 1785d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) parent_dir_, strerror(saved_errno), kSyncParent, saved_errno); 1795d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) }; 1805d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) close(parent_fd); 1815d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles)#endif 1825d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) return s; 1835d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles)} 1845d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) 1855d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles)Status ChromiumWritableFile::Append(const Slice& data) { 1865d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) if (file_type_ == kManifest && tracker_->DoesDirNeedSync(filename_)) { 1875d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) Status s = SyncParent(); 1885d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) if (!s.ok()) 1895d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) return s; 1905d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) tracker_->DidSyncDir(filename_); 1915d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) } 1925d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) 1935d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) size_t r = fwrite_unlocked(data.data(), 1, data.size(), file_); 1945d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) if (r != data.size()) { 1955d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) int saved_errno = errno; 1965d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) uma_logger_->RecordOSError(kWritableFileAppend, saved_errno); 1975d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) return MakeIOError( 1985d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) filename_, strerror(saved_errno), kWritableFileAppend, saved_errno); 1995d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) } 2005d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) return Status::OK(); 2015d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles)} 2025d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) 2035d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles)Status ChromiumWritableFile::Close() { 2045d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) Status result; 2055d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) if (fclose(file_) != 0) { 2065d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) result = MakeIOError(filename_, strerror(errno), kWritableFileClose, errno); 2075d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) uma_logger_->RecordErrorAt(kWritableFileClose); 2085d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) } 2095d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) file_ = NULL; 2105d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) return result; 2115d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles)} 2125d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) 2135d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles)Status ChromiumWritableFile::Flush() { 2145d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) Status result; 2155d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) if (HANDLE_EINTR(fflush_unlocked(file_))) { 2165d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) int saved_errno = errno; 2175d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) result = MakeIOError( 2185d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) filename_, strerror(saved_errno), kWritableFileFlush, saved_errno); 2195d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) uma_logger_->RecordOSError(kWritableFileFlush, saved_errno); 2205d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) } 2215d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) return result; 2225d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles)} 2235d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) 2245d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles)Status ChromiumWritableFile::Sync() { 2255d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) TRACE_EVENT0("leveldb", "ChromiumEnvStdio::Sync"); 2265d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) Status result; 2275d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) int error = 0; 2285d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) 2295d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) if (HANDLE_EINTR(fflush_unlocked(file_))) 2305d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) error = errno; 2315d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) // Sync even if fflush gave an error; perhaps the data actually got out, 2325d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) // even though something went wrong. 2335d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) if (fdatasync(fileno(file_)) && !error) 2345d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) error = errno; 2355d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) // Report the first error we found. 2365d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) if (error) { 2375d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) result = MakeIOError(filename_, strerror(error), kWritableFileSync, error); 2385d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) uma_logger_->RecordErrorAt(kWritableFileSync); 2395d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) } else if (make_backup_ && file_type_ == kTable) { 2405d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) bool success = ChromiumEnv::MakeBackup(filename_); 2415d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) uma_logger_->RecordBackupResult(success); 2425d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) } 2435d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) return result; 2445d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles)} 2455d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) 2465d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles)ChromiumEnvStdio::ChromiumEnvStdio() {} 2475d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) 2485d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles)ChromiumEnvStdio::~ChromiumEnvStdio() {} 2495d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) 2505d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles)Status ChromiumEnvStdio::NewSequentialFile(const std::string& fname, 2515d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) SequentialFile** result) { 2525d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) FILE* f = fopen_internal(fname.c_str(), "rb"); 2535d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) if (f == NULL) { 2545d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) *result = NULL; 2555d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) int saved_errno = errno; 2565d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) RecordOSError(kNewSequentialFile, saved_errno); 2575d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) return MakeIOError( 2585d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) fname, strerror(saved_errno), kNewSequentialFile, saved_errno); 2595d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) } else { 2605d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) *result = new ChromiumSequentialFile(fname, f, this); 2615d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) return Status::OK(); 2625d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) } 2635d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles)} 2645d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) 2655d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles)void ChromiumEnvStdio::RecordOpenFilesLimit(const std::string& type) { 2665d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles)#if defined(OS_POSIX) 2675d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) struct rlimit nofile; 2685d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) if (getrlimit(RLIMIT_NOFILE, &nofile)) 2695d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) return; 2705d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) GetMaxFDHistogram(type)->Add(nofile.rlim_cur); 2715d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles)#endif 2725d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles)} 2735d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) 2745d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles)Status ChromiumEnvStdio::NewRandomAccessFile(const std::string& fname, 2755d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) RandomAccessFile** result) { 276a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles) int flags = ::base::File::FLAG_READ | ::base::File::FLAG_OPEN; 277a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles) ::base::File file(ChromiumEnv::CreateFilePath(fname), flags); 278a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles) if (file.IsValid()) { 279a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles) *result = new ChromiumRandomAccessFile(fname, file.Pass(), this); 2805d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) RecordOpenFilesLimit("Success"); 2815d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) return Status::OK(); 2825d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) } 283a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles) ::base::File::Error error_code = file.error_details(); 284a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles) if (error_code == ::base::File::FILE_ERROR_TOO_MANY_OPENED) 2855d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) RecordOpenFilesLimit("TooManyOpened"); 2865d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) else 2875d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) RecordOpenFilesLimit("OtherError"); 2885d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) *result = NULL; 2895d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) RecordOSError(kNewRandomAccessFile, error_code); 2905d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) return MakeIOError(fname, 291a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles) FileErrorString(error_code), 2925d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) kNewRandomAccessFile, 2935d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) error_code); 2945d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles)} 2955d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) 2965d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles)Status ChromiumEnvStdio::NewWritableFile(const std::string& fname, 2975d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) WritableFile** result) { 2985d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) *result = NULL; 2995d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) FILE* f = fopen_internal(fname.c_str(), "wb"); 3005d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) if (f == NULL) { 3015d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) int saved_errno = errno; 3025d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) RecordErrorAt(kNewWritableFile); 3035d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) return MakeIOError( 3045d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) fname, strerror(saved_errno), kNewWritableFile, saved_errno); 3055d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) } else { 3065d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) *result = new ChromiumWritableFile(fname, f, this, this, make_backup_); 3075d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) return Status::OK(); 3085d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) } 3095d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles)} 3105d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) 3115d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles)#if defined(OS_WIN) 312a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles)base::File::Error ChromiumEnvStdio::GetDirectoryEntries( 3135d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) const base::FilePath& dir_param, 3145d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) std::vector<base::FilePath>* result) const { 3155d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) result->clear(); 3165d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) base::FilePath dir_filepath = dir_param.Append(FILE_PATH_LITERAL("*")); 3175d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) WIN32_FIND_DATA find_data; 3185d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) HANDLE find_handle = FindFirstFile(dir_filepath.value().c_str(), &find_data); 3195d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) if (find_handle == INVALID_HANDLE_VALUE) { 3205d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) DWORD last_error = GetLastError(); 3215d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) if (last_error == ERROR_FILE_NOT_FOUND) 322a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles) return base::File::FILE_OK; 323a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles) return base::File::OSErrorToFileError(last_error); 3245d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) } 3255d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) do { 3265d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) base::FilePath filepath(find_data.cFileName); 3275d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) base::FilePath::StringType basename = filepath.BaseName().value(); 3285d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) if (basename == FILE_PATH_LITERAL(".") || 3295d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) basename == FILE_PATH_LITERAL("..")) 3305d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) continue; 3315d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) result->push_back(filepath.BaseName()); 3325d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) } while (FindNextFile(find_handle, &find_data)); 3335d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) DWORD last_error = GetLastError(); 334a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles) base::File::Error return_value = base::File::FILE_OK; 3355d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) if (last_error != ERROR_NO_MORE_FILES) 336a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles) return_value = base::File::OSErrorToFileError(last_error); 3375d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) FindClose(find_handle); 3385d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) return return_value; 3395d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles)} 3405d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles)#else 341a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles)base::File::Error ChromiumEnvStdio::GetDirectoryEntries( 3425d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) const base::FilePath& dir_filepath, 3435d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) std::vector<base::FilePath>* result) const { 3445d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) const std::string dir_string = FilePathToString(dir_filepath); 3455d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) result->clear(); 3465d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) DIR* dir = opendir(dir_string.c_str()); 3475d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) if (!dir) 348a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles) return base::File::OSErrorToFileError(errno); 3495d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) struct dirent dent_buf; 3505d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) struct dirent* dent; 3515d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) int readdir_result; 3525d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) while ((readdir_result = readdir_r(dir, &dent_buf, &dent)) == 0 && dent) { 3535d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) if (strcmp(dent->d_name, ".") == 0 || strcmp(dent->d_name, "..") == 0) 3545d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) continue; 3555d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) result->push_back(ChromiumEnv::CreateFilePath(dent->d_name)); 3565d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) } 3575d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) int saved_errno = errno; 3585d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) closedir(dir); 3595d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) if (readdir_result != 0) 360a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles) return base::File::OSErrorToFileError(saved_errno); 361a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles) return base::File::FILE_OK; 3625d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles)} 3635d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles)#endif 3645d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) 3655d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles)Status ChromiumEnvStdio::NewLogger(const std::string& fname, Logger** result) { 3665d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) FILE* f = fopen_internal(fname.c_str(), "w"); 3675d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) if (f == NULL) { 3685d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) *result = NULL; 3695d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) int saved_errno = errno; 3705d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) RecordOSError(kNewLogger, saved_errno); 3715d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) return MakeIOError(fname, strerror(saved_errno), kNewLogger, saved_errno); 3725d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) } else { 3735d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) *result = new ChromiumLogger(f); 3745d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) return Status::OK(); 3755d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) } 3765d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles)} 3775d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) 3785d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles)} // namespace leveldb_env 379