15821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// Copyright (c) 2012 The Chromium Authors. All rights reserved. 25821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// Use of this source code is governed by a BSD-style license that can be 35821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// found in the LICENSE file. 45821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 55821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include "base/logging.h" 65821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 75821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#if defined(OS_WIN) 85821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include <io.h> 95821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include <windows.h> 105821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)typedef HANDLE FileHandle; 115821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)typedef HANDLE MutexHandle; 125821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// Windows warns on using write(). It prefers _write(). 135821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#define write(fd, buf, count) _write(fd, buf, static_cast<unsigned int>(count)) 145821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// Windows doesn't define STDERR_FILENO. Define it here. 155821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#define STDERR_FILENO 2 165821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#elif defined(OS_MACOSX) 175821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include <mach/mach.h> 185821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include <mach/mach_time.h> 195821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include <mach-o/dyld.h> 205821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#elif defined(OS_POSIX) 215821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#if defined(OS_NACL) 225821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include <sys/time.h> // timespec doesn't seem to be in <time.h> 235821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#else 245821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include <sys/syscall.h> 255821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#endif 265821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include <time.h> 275821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#endif 285821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 295821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#if defined(OS_POSIX) 305821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include <errno.h> 315821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include <pthread.h> 325821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include <stdio.h> 33c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles)#include <stdlib.h> 345821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include <string.h> 355821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include <unistd.h> 365821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#define MAX_PATH PATH_MAX 375821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)typedef FILE* FileHandle; 385821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)typedef pthread_mutex_t* MutexHandle; 395821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#endif 405821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 415821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include <algorithm> 425821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include <cstring> 435821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include <ctime> 445821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include <iomanip> 455821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include <ostream> 465821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 475821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include "base/base_switches.h" 485821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include "base/command_line.h" 495821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include "base/debug/alias.h" 505821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include "base/debug/debugger.h" 515821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include "base/debug/stack_trace.h" 522a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)#include "base/posix/eintr_wrapper.h" 53c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles)#include "base/strings/string_piece.h" 54868fa2fe829687343ffae624259930155e16dbd8Torne (Richard Coles)#include "base/strings/utf_string_conversions.h" 555821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include "base/synchronization/lock_impl.h" 565821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include "base/threading/platform_thread.h" 575821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include "base/vlog.h" 585821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#if defined(OS_POSIX) 595821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include "base/safe_strerror_posix.h" 605821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#endif 615821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 625821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#if defined(OS_ANDROID) 635821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include <android/log.h> 645821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#endif 655821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 665821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)namespace logging { 675821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 685821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)DcheckState g_dcheck_state = DISABLE_DCHECK_FOR_NON_OFFICIAL_RELEASE_BUILDS; 695821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 7090dce4d38c5ff5333bea97d859d4e484e27edf0cTorne (Richard Coles)DcheckState get_dcheck_state() { 7190dce4d38c5ff5333bea97d859d4e484e27edf0cTorne (Richard Coles) return g_dcheck_state; 7290dce4d38c5ff5333bea97d859d4e484e27edf0cTorne (Richard Coles)} 7390dce4d38c5ff5333bea97d859d4e484e27edf0cTorne (Richard Coles) 7490dce4d38c5ff5333bea97d859d4e484e27edf0cTorne (Richard Coles)void set_dcheck_state(DcheckState state) { 7590dce4d38c5ff5333bea97d859d4e484e27edf0cTorne (Richard Coles) g_dcheck_state = state; 7690dce4d38c5ff5333bea97d859d4e484e27edf0cTorne (Richard Coles)} 7790dce4d38c5ff5333bea97d859d4e484e27edf0cTorne (Richard Coles) 785821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)namespace { 795821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 805821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)VlogInfo* g_vlog_info = NULL; 815821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)VlogInfo* g_vlog_info_prev = NULL; 825821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 835821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)const char* const log_severity_names[LOG_NUM_SEVERITIES] = { 845821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) "INFO", "WARNING", "ERROR", "ERROR_REPORT", "FATAL" }; 855821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 865821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)int min_log_level = 0; 875821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 88eb525c5499e34cc9c4b825d6d9e75bb07cc06aceBen MurdochLoggingDestination logging_destination = LOG_DEFAULT; 895821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 905821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// For LOG_ERROR and above, always print to stderr. 915821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)const int kAlwaysPrintErrorLevel = LOG_ERROR; 925821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 935821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// Which log file to use? This is initialized by InitLogging or 945821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// will be lazily initialized to the default value when it is 955821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// first needed. 965821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#if defined(OS_WIN) 975821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)typedef std::wstring PathString; 985821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#else 995821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)typedef std::string PathString; 1005821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#endif 1015821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)PathString* log_file_name = NULL; 1025821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 1035821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// this file is lazily opened and the handle may be NULL 1045821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)FileHandle log_file = NULL; 1055821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 1065821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// what should be prepended to each message? 1075821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)bool log_process_id = false; 1085821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)bool log_thread_id = false; 1095821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)bool log_timestamp = true; 1105821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)bool log_tickcount = false; 1115821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 1125821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// Should we pop up fatal debug messages in a dialog? 1135821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)bool show_error_dialogs = false; 1145821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 1155821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// An assert handler override specified by the client to be called instead of 1165821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// the debug message dialog and process termination. 1175821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)LogAssertHandlerFunction log_assert_handler = NULL; 1185821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// An report handler override specified by the client to be called instead of 1195821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// the debug message dialog. 1205821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)LogReportHandlerFunction log_report_handler = NULL; 1215821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// A log message handler that gets notified of every log message we process. 1225821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)LogMessageHandlerFunction log_message_handler = NULL; 1235821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 1245821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// Helper functions to wrap platform differences. 1255821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 1265821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)int32 CurrentProcessId() { 1275821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#if defined(OS_WIN) 1285821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return GetCurrentProcessId(); 1295821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#elif defined(OS_POSIX) 1305821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return getpid(); 1315821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#endif 1325821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 1335821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 1345821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)uint64 TickCount() { 1355821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#if defined(OS_WIN) 1365821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return GetTickCount(); 1375821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#elif defined(OS_MACOSX) 1385821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return mach_absolute_time(); 1395821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#elif defined(OS_NACL) 1405821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // NaCl sadly does not have _POSIX_TIMERS enabled in sys/features.h 1415821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // So we have to use clock() for now. 1425821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return clock(); 1435821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#elif defined(OS_POSIX) 1445821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) struct timespec ts; 1455821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) clock_gettime(CLOCK_MONOTONIC, &ts); 1465821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 1475821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) uint64 absolute_micro = 1485821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) static_cast<int64>(ts.tv_sec) * 1000000 + 1495821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) static_cast<int64>(ts.tv_nsec) / 1000; 1505821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 1515821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return absolute_micro; 1525821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#endif 1535821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 1545821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 1555821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)void DeleteFilePath(const PathString& log_name) { 1565821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#if defined(OS_WIN) 1575821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) DeleteFile(log_name.c_str()); 158c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles)#elif defined (OS_NACL) 159c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) // Do nothing; unlink() isn't supported on NaCl. 1605821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#else 1615821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) unlink(log_name.c_str()); 1625821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#endif 1635821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 1645821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 1655821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)PathString GetDefaultLogFile() { 1665821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#if defined(OS_WIN) 1675821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // On Windows we use the same path as the exe. 1685821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) wchar_t module_name[MAX_PATH]; 1695821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) GetModuleFileName(NULL, module_name, MAX_PATH); 1705821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 1715821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) PathString log_file = module_name; 1725821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) PathString::size_type last_backslash = 1735821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) log_file.rfind('\\', log_file.size()); 1745821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if (last_backslash != PathString::npos) 1755821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) log_file.erase(last_backslash + 1); 1765821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) log_file += L"debug.log"; 1775821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return log_file; 1785821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#elif defined(OS_POSIX) 1795821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // On other platforms we just use the current directory. 1805821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return PathString("debug.log"); 1815821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#endif 1825821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 1835821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 1845821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// This class acts as a wrapper for locking the logging files. 1855821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// LoggingLock::Init() should be called from the main thread before any logging 1865821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// is done. Then whenever logging, be sure to have a local LoggingLock 1875821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// instance on the stack. This will ensure that the lock is unlocked upon 1885821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// exiting the frame. 1895821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// LoggingLocks can not be nested. 1905821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)class LoggingLock { 1915821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) public: 1925821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) LoggingLock() { 1935821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) LockLogging(); 1945821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 1955821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 1965821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) ~LoggingLock() { 1975821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) UnlockLogging(); 1985821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 1995821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 2005821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) static void Init(LogLockingState lock_log, const PathChar* new_log_file) { 2015821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if (initialized) 2025821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return; 2035821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) lock_log_file = lock_log; 2045821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if (lock_log_file == LOCK_LOG_FILE) { 2055821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#if defined(OS_WIN) 2065821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if (!log_mutex) { 2075821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) std::wstring safe_name; 2085821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if (new_log_file) 2095821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) safe_name = new_log_file; 2105821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) else 2115821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) safe_name = GetDefaultLogFile(); 2125821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // \ is not a legal character in mutex names so we replace \ with / 2135821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) std::replace(safe_name.begin(), safe_name.end(), '\\', '/'); 2145821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) std::wstring t(L"Global\\"); 2155821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) t.append(safe_name); 2165821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) log_mutex = ::CreateMutex(NULL, FALSE, t.c_str()); 2175821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 2185821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if (log_mutex == NULL) { 2195821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#if DEBUG 2205821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // Keep the error code for debugging 2215821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) int error = GetLastError(); // NOLINT 2225821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) base::debug::BreakDebugger(); 2235821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#endif 2245821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // Return nicely without putting initialized to true. 2255821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return; 2265821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 2275821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 2285821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#endif 2295821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } else { 2305821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) log_lock = new base::internal::LockImpl(); 2315821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 2325821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) initialized = true; 2335821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 2345821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 2355821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) private: 2365821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) static void LockLogging() { 2375821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if (lock_log_file == LOCK_LOG_FILE) { 2385821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#if defined(OS_WIN) 2395821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) ::WaitForSingleObject(log_mutex, INFINITE); 2405821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // WaitForSingleObject could have returned WAIT_ABANDONED. We don't 2415821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // abort the process here. UI tests might be crashy sometimes, 2425821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // and aborting the test binary only makes the problem worse. 2435821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // We also don't use LOG macros because that might lead to an infinite 2445821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // loop. For more info see http://crbug.com/18028. 2455821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#elif defined(OS_POSIX) 2465821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) pthread_mutex_lock(&log_mutex); 2475821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#endif 2485821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } else { 2495821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // use the lock 2505821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) log_lock->Lock(); 2515821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 2525821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 2535821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 2545821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) static void UnlockLogging() { 2555821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if (lock_log_file == LOCK_LOG_FILE) { 2565821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#if defined(OS_WIN) 2575821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) ReleaseMutex(log_mutex); 2585821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#elif defined(OS_POSIX) 2595821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) pthread_mutex_unlock(&log_mutex); 2605821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#endif 2615821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } else { 2625821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) log_lock->Unlock(); 2635821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 2645821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 2655821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 2665821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // The lock is used if log file locking is false. It helps us avoid problems 2675821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // with multiple threads writing to the log file at the same time. Use 2685821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // LockImpl directly instead of using Lock, because Lock makes logging calls. 2695821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) static base::internal::LockImpl* log_lock; 2705821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 2715821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // When we don't use a lock, we are using a global mutex. We need to do this 2725821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // because LockFileEx is not thread safe. 2735821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#if defined(OS_WIN) 2745821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) static MutexHandle log_mutex; 2755821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#elif defined(OS_POSIX) 2765821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) static pthread_mutex_t log_mutex; 2775821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#endif 2785821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 2795821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) static bool initialized; 2805821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) static LogLockingState lock_log_file; 2815821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)}; 2825821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 2835821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// static 2845821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)bool LoggingLock::initialized = false; 2855821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// static 2865821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)base::internal::LockImpl* LoggingLock::log_lock = NULL; 2875821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// static 2885821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)LogLockingState LoggingLock::lock_log_file = LOCK_LOG_FILE; 2895821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 2905821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#if defined(OS_WIN) 2915821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// static 2925821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)MutexHandle LoggingLock::log_mutex = NULL; 2935821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#elif defined(OS_POSIX) 2945821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)pthread_mutex_t LoggingLock::log_mutex = PTHREAD_MUTEX_INITIALIZER; 2955821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#endif 2965821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 2975821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// Called by logging functions to ensure that debug_file is initialized 2985821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// and can be used for writing. Returns false if the file could not be 2995821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// initialized. debug_file will be NULL in this case. 3005821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)bool InitializeLogFileHandle() { 3015821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if (log_file) 3025821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return true; 3035821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 3045821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if (!log_file_name) { 3055821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // Nobody has called InitLogging to specify a debug log file, so here we 3065821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // initialize the log file name to a default. 3075821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) log_file_name = new PathString(GetDefaultLogFile()); 3085821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 3095821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 310eb525c5499e34cc9c4b825d6d9e75bb07cc06aceBen Murdoch if ((logging_destination & LOG_TO_FILE) != 0) { 3115821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#if defined(OS_WIN) 3125821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) log_file = CreateFile(log_file_name->c_str(), GENERIC_WRITE, 3135821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) FILE_SHARE_READ | FILE_SHARE_WRITE, NULL, 3145821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) OPEN_ALWAYS, FILE_ATTRIBUTE_NORMAL, NULL); 3155821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if (log_file == INVALID_HANDLE_VALUE || log_file == NULL) { 3165821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // try the current directory 3175821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) log_file = CreateFile(L".\\debug.log", GENERIC_WRITE, 3185821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) FILE_SHARE_READ | FILE_SHARE_WRITE, NULL, 3195821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) OPEN_ALWAYS, FILE_ATTRIBUTE_NORMAL, NULL); 3205821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if (log_file == INVALID_HANDLE_VALUE || log_file == NULL) { 3215821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) log_file = NULL; 3225821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return false; 3235821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 3245821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 3255821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) SetFilePointer(log_file, 0, 0, FILE_END); 3265821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#elif defined(OS_POSIX) 3275821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) log_file = fopen(log_file_name->c_str(), "a"); 3285821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if (log_file == NULL) 3295821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return false; 3305821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#endif 3315821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 3325821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 3335821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return true; 3345821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 3355821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 3367dbb3d5cf0c15f500944d211057644d6a2f37371Ben Murdochvoid CloseFile(FileHandle log) { 3377dbb3d5cf0c15f500944d211057644d6a2f37371Ben Murdoch#if defined(OS_WIN) 3387dbb3d5cf0c15f500944d211057644d6a2f37371Ben Murdoch CloseHandle(log); 3397dbb3d5cf0c15f500944d211057644d6a2f37371Ben Murdoch#else 3407dbb3d5cf0c15f500944d211057644d6a2f37371Ben Murdoch fclose(log); 3417dbb3d5cf0c15f500944d211057644d6a2f37371Ben Murdoch#endif 3427dbb3d5cf0c15f500944d211057644d6a2f37371Ben Murdoch} 3437dbb3d5cf0c15f500944d211057644d6a2f37371Ben Murdoch 3447dbb3d5cf0c15f500944d211057644d6a2f37371Ben Murdochvoid CloseLogFileUnlocked() { 3457dbb3d5cf0c15f500944d211057644d6a2f37371Ben Murdoch if (!log_file) 3467dbb3d5cf0c15f500944d211057644d6a2f37371Ben Murdoch return; 3477dbb3d5cf0c15f500944d211057644d6a2f37371Ben Murdoch 3487dbb3d5cf0c15f500944d211057644d6a2f37371Ben Murdoch CloseFile(log_file); 3497dbb3d5cf0c15f500944d211057644d6a2f37371Ben Murdoch log_file = NULL; 3507dbb3d5cf0c15f500944d211057644d6a2f37371Ben Murdoch} 3517dbb3d5cf0c15f500944d211057644d6a2f37371Ben Murdoch 3525821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} // namespace 3535821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 354eb525c5499e34cc9c4b825d6d9e75bb07cc06aceBen MurdochLoggingSettings::LoggingSettings() 355eb525c5499e34cc9c4b825d6d9e75bb07cc06aceBen Murdoch : logging_dest(LOG_DEFAULT), 356eb525c5499e34cc9c4b825d6d9e75bb07cc06aceBen Murdoch log_file(NULL), 357eb525c5499e34cc9c4b825d6d9e75bb07cc06aceBen Murdoch lock_log(LOCK_LOG_FILE), 358eb525c5499e34cc9c4b825d6d9e75bb07cc06aceBen Murdoch delete_old(APPEND_TO_OLD_LOG_FILE), 359eb525c5499e34cc9c4b825d6d9e75bb07cc06aceBen Murdoch dcheck_state(DISABLE_DCHECK_FOR_NON_OFFICIAL_RELEASE_BUILDS) {} 3605821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 361eb525c5499e34cc9c4b825d6d9e75bb07cc06aceBen Murdochbool BaseInitLoggingImpl(const LoggingSettings& settings) { 362c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles)#if defined(OS_NACL) 363eb525c5499e34cc9c4b825d6d9e75bb07cc06aceBen Murdoch // Can log only to the system debug log. 364eb525c5499e34cc9c4b825d6d9e75bb07cc06aceBen Murdoch CHECK_EQ(settings.logging_dest & ~LOG_TO_SYSTEM_DEBUG_LOG, 0); 365c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles)#endif 366eb525c5499e34cc9c4b825d6d9e75bb07cc06aceBen Murdoch g_dcheck_state = settings.dcheck_state; 3675821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) CommandLine* command_line = CommandLine::ForCurrentProcess(); 3685821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // Don't bother initializing g_vlog_info unless we use one of the 3695821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // vlog switches. 3705821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if (command_line->HasSwitch(switches::kV) || 3715821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) command_line->HasSwitch(switches::kVModule)) { 3725821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // NOTE: If g_vlog_info has already been initialized, it might be in use 3735821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // by another thread. Don't delete the old VLogInfo, just create a second 3745821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // one. We keep track of both to avoid memory leak warnings. 3755821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) CHECK(!g_vlog_info_prev); 3765821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) g_vlog_info_prev = g_vlog_info; 3775821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 3785821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) g_vlog_info = 3795821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) new VlogInfo(command_line->GetSwitchValueASCII(switches::kV), 3805821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) command_line->GetSwitchValueASCII(switches::kVModule), 3815821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) &min_log_level); 3825821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 3835821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 384eb525c5499e34cc9c4b825d6d9e75bb07cc06aceBen Murdoch logging_destination = settings.logging_dest; 3855821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 386eb525c5499e34cc9c4b825d6d9e75bb07cc06aceBen Murdoch // ignore file options unless logging to file is set. 387eb525c5499e34cc9c4b825d6d9e75bb07cc06aceBen Murdoch if ((logging_destination & LOG_TO_FILE) == 0) 3885821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return true; 3895821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 3907dbb3d5cf0c15f500944d211057644d6a2f37371Ben Murdoch LoggingLock::Init(settings.lock_log, settings.log_file); 3917dbb3d5cf0c15f500944d211057644d6a2f37371Ben Murdoch LoggingLock logging_lock; 3927dbb3d5cf0c15f500944d211057644d6a2f37371Ben Murdoch 3937dbb3d5cf0c15f500944d211057644d6a2f37371Ben Murdoch // Calling InitLogging twice or after some log call has already opened the 3947dbb3d5cf0c15f500944d211057644d6a2f37371Ben Murdoch // default log file will re-initialize to the new options. 3957dbb3d5cf0c15f500944d211057644d6a2f37371Ben Murdoch CloseLogFileUnlocked(); 3967dbb3d5cf0c15f500944d211057644d6a2f37371Ben Murdoch 3975821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if (!log_file_name) 3985821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) log_file_name = new PathString(); 399eb525c5499e34cc9c4b825d6d9e75bb07cc06aceBen Murdoch *log_file_name = settings.log_file; 400eb525c5499e34cc9c4b825d6d9e75bb07cc06aceBen Murdoch if (settings.delete_old == DELETE_OLD_LOG_FILE) 4015821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) DeleteFilePath(*log_file_name); 4025821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 4035821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return InitializeLogFileHandle(); 4045821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 4055821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 4065821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)void SetMinLogLevel(int level) { 4075821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) min_log_level = std::min(LOG_ERROR_REPORT, level); 4085821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 4095821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 4105821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)int GetMinLogLevel() { 4115821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return min_log_level; 4125821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 4135821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 4145821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)int GetVlogVerbosity() { 4155821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return std::max(-1, LOG_INFO - GetMinLogLevel()); 4165821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 4175821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 4185821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)int GetVlogLevelHelper(const char* file, size_t N) { 4195821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) DCHECK_GT(N, 0U); 4205821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // Note: g_vlog_info may change on a different thread during startup 4215821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // (but will always be valid or NULL). 4225821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) VlogInfo* vlog_info = g_vlog_info; 4235821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return vlog_info ? 4245821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) vlog_info->GetVlogLevel(base::StringPiece(file, N - 1)) : 4255821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) GetVlogVerbosity(); 4265821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 4275821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 4285821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)void SetLogItems(bool enable_process_id, bool enable_thread_id, 4295821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) bool enable_timestamp, bool enable_tickcount) { 4305821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) log_process_id = enable_process_id; 4315821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) log_thread_id = enable_thread_id; 4325821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) log_timestamp = enable_timestamp; 4335821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) log_tickcount = enable_tickcount; 4345821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 4355821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 4365821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)void SetShowErrorDialogs(bool enable_dialogs) { 4375821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) show_error_dialogs = enable_dialogs; 4385821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 4395821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 4405821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)void SetLogAssertHandler(LogAssertHandlerFunction handler) { 4415821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) log_assert_handler = handler; 4425821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 4435821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 4445821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)void SetLogReportHandler(LogReportHandlerFunction handler) { 4455821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) log_report_handler = handler; 4465821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 4475821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 4485821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)void SetLogMessageHandler(LogMessageHandlerFunction handler) { 4495821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) log_message_handler = handler; 4505821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 4515821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 4525821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)LogMessageHandlerFunction GetLogMessageHandler() { 4535821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return log_message_handler; 4545821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 4555821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 4565821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// MSVC doesn't like complex extern templates and DLLs. 4575821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#if !defined(COMPILER_MSVC) 4585821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// Explicit instantiations for commonly used comparisons. 4595821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)template std::string* MakeCheckOpString<int, int>( 4605821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) const int&, const int&, const char* names); 4615821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)template std::string* MakeCheckOpString<unsigned long, unsigned long>( 4625821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) const unsigned long&, const unsigned long&, const char* names); 4635821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)template std::string* MakeCheckOpString<unsigned long, unsigned int>( 4645821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) const unsigned long&, const unsigned int&, const char* names); 4655821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)template std::string* MakeCheckOpString<unsigned int, unsigned long>( 4665821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) const unsigned int&, const unsigned long&, const char* names); 4675821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)template std::string* MakeCheckOpString<std::string, std::string>( 4685821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) const std::string&, const std::string&, const char* name); 4695821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#endif 4705821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 4715821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// Displays a message box to the user with the error message in it. 4725821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// Used for fatal messages, where we close the app simultaneously. 4735821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// This is for developers only; we don't use this in circumstances 4745821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// (like release builds) where users could see it, since users don't 4755821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// understand these messages anyway. 4765821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)void DisplayDebugMessageInDialog(const std::string& str) { 4775821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if (str.empty()) 4785821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return; 4795821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 4805821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if (!show_error_dialogs) 4815821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return; 4825821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 4835821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#if defined(OS_WIN) 4845821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // For Windows programs, it's possible that the message loop is 4855821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // messed up on a fatal error, and creating a MessageBox will cause 4865821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // that message loop to be run. Instead, we try to spawn another 4875821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // process that displays its command line. We look for "Debug 4885821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // Message.exe" in the same directory as the application. If it 4895821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // exists, we use it, otherwise, we use a regular message box. 4905821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) wchar_t prog_name[MAX_PATH]; 4915821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) GetModuleFileNameW(NULL, prog_name, MAX_PATH); 4925821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) wchar_t* backslash = wcsrchr(prog_name, '\\'); 4935821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if (backslash) 4945821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) backslash[1] = 0; 4955821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) wcscat_s(prog_name, MAX_PATH, L"debug_message.exe"); 4965821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 4975821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) std::wstring cmdline = UTF8ToWide(str); 4985821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if (cmdline.empty()) 4995821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return; 5005821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 5015821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) STARTUPINFO startup_info; 5025821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) memset(&startup_info, 0, sizeof(startup_info)); 5035821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) startup_info.cb = sizeof(startup_info); 5045821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 5055821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) PROCESS_INFORMATION process_info; 5065821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if (CreateProcessW(prog_name, &cmdline[0], NULL, NULL, false, 0, NULL, 5075821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) NULL, &startup_info, &process_info)) { 5085821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) WaitForSingleObject(process_info.hProcess, INFINITE); 5095821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) CloseHandle(process_info.hThread); 5105821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) CloseHandle(process_info.hProcess); 5115821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } else { 5125821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // debug process broken, let's just do a message box 5135821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) MessageBoxW(NULL, &cmdline[0], L"Fatal error", 5145821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) MB_OK | MB_ICONHAND | MB_TOPMOST); 5155821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 5165821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#else 5175821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // We intentionally don't implement a dialog on other platforms. 5185821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // You can just look at stderr. 5195821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#endif 5205821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 5215821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 5225821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#if defined(OS_WIN) 5235821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)LogMessage::SaveLastError::SaveLastError() : last_error_(::GetLastError()) { 5245821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 5255821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 5265821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)LogMessage::SaveLastError::~SaveLastError() { 5275821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) ::SetLastError(last_error_); 5285821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 5295821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#endif // defined(OS_WIN) 5305821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 5315821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)LogMessage::LogMessage(const char* file, int line, LogSeverity severity, 5325821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) int ctr) 5335821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) : severity_(severity), file_(file), line_(line) { 5345821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) Init(file, line); 5355821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 5365821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 5375821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)LogMessage::LogMessage(const char* file, int line) 5385821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) : severity_(LOG_INFO), file_(file), line_(line) { 5395821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) Init(file, line); 5405821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 5415821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 5425821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)LogMessage::LogMessage(const char* file, int line, LogSeverity severity) 5435821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) : severity_(severity), file_(file), line_(line) { 5445821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) Init(file, line); 5455821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 5465821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 5475821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)LogMessage::LogMessage(const char* file, int line, std::string* result) 5485821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) : severity_(LOG_FATAL), file_(file), line_(line) { 5495821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) Init(file, line); 5505821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) stream_ << "Check failed: " << *result; 5515821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) delete result; 5525821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 5535821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 5545821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)LogMessage::LogMessage(const char* file, int line, LogSeverity severity, 5555821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) std::string* result) 5565821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) : severity_(severity), file_(file), line_(line) { 5575821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) Init(file, line); 5585821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) stream_ << "Check failed: " << *result; 5595821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) delete result; 5605821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 5615821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 5625821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)LogMessage::~LogMessage() { 5637dbb3d5cf0c15f500944d211057644d6a2f37371Ben Murdoch#if !defined(NDEBUG) && !defined(OS_NACL) 5645821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if (severity_ == LOG_FATAL) { 5655821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // Include a stack trace on a fatal. 5665821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) base::debug::StackTrace trace; 5675821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) stream_ << std::endl; // Newline to separate from log message. 5685821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) trace.OutputToStream(&stream_); 5695821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 5705821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#endif 5715821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) stream_ << std::endl; 5725821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) std::string str_newline(stream_.str()); 5735821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 5745821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // Give any log message handler first dibs on the message. 575eb525c5499e34cc9c4b825d6d9e75bb07cc06aceBen Murdoch if (log_message_handler && 576eb525c5499e34cc9c4b825d6d9e75bb07cc06aceBen Murdoch log_message_handler(severity_, file_, line_, 577eb525c5499e34cc9c4b825d6d9e75bb07cc06aceBen Murdoch message_start_, str_newline)) { 5785821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // The handler took care of it, no further processing. 5795821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return; 5805821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 5815821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 582eb525c5499e34cc9c4b825d6d9e75bb07cc06aceBen Murdoch if ((logging_destination & LOG_TO_SYSTEM_DEBUG_LOG) != 0) { 5835821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#if defined(OS_WIN) 5845821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) OutputDebugStringA(str_newline.c_str()); 5855821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#elif defined(OS_ANDROID) 58690dce4d38c5ff5333bea97d859d4e484e27edf0cTorne (Richard Coles) android_LogPriority priority = 58790dce4d38c5ff5333bea97d859d4e484e27edf0cTorne (Richard Coles) (severity_ < 0) ? ANDROID_LOG_VERBOSE : ANDROID_LOG_UNKNOWN; 5885821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) switch (severity_) { 5895821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) case LOG_INFO: 5905821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) priority = ANDROID_LOG_INFO; 5915821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) break; 5925821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) case LOG_WARNING: 5935821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) priority = ANDROID_LOG_WARN; 5945821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) break; 5955821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) case LOG_ERROR: 5965821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) case LOG_ERROR_REPORT: 5975821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) priority = ANDROID_LOG_ERROR; 5985821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) break; 5995821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) case LOG_FATAL: 6005821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) priority = ANDROID_LOG_FATAL; 6015821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) break; 6025821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 6035821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) __android_log_write(priority, "chromium", str_newline.c_str()); 6045821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#endif 6055821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) fprintf(stderr, "%s", str_newline.c_str()); 6065821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) fflush(stderr); 6075821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } else if (severity_ >= kAlwaysPrintErrorLevel) { 6085821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // When we're only outputting to a log file, above a certain log level, we 6095821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // should still output to stderr so that we can better detect and diagnose 6105821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // problems with unit tests, especially on the buildbots. 6115821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) fprintf(stderr, "%s", str_newline.c_str()); 6125821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) fflush(stderr); 6135821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 6145821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 6155821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // write to log file 616eb525c5499e34cc9c4b825d6d9e75bb07cc06aceBen Murdoch if ((logging_destination & LOG_TO_FILE) != 0) { 6177dbb3d5cf0c15f500944d211057644d6a2f37371Ben Murdoch // We can have multiple threads and/or processes, so try to prevent them 6187dbb3d5cf0c15f500944d211057644d6a2f37371Ben Murdoch // from clobbering each other's writes. 6197dbb3d5cf0c15f500944d211057644d6a2f37371Ben Murdoch // If the client app did not call InitLogging, and the lock has not 6207dbb3d5cf0c15f500944d211057644d6a2f37371Ben Murdoch // been created do it now. We do this on demand, but if two threads try 6217dbb3d5cf0c15f500944d211057644d6a2f37371Ben Murdoch // to do this at the same time, there will be a race condition to create 6227dbb3d5cf0c15f500944d211057644d6a2f37371Ben Murdoch // the lock. This is why InitLogging should be called from the main 6237dbb3d5cf0c15f500944d211057644d6a2f37371Ben Murdoch // thread at the beginning of execution. 6247dbb3d5cf0c15f500944d211057644d6a2f37371Ben Murdoch LoggingLock::Init(LOCK_LOG_FILE, NULL); 6255821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) LoggingLock logging_lock; 6265821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if (InitializeLogFileHandle()) { 6275821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#if defined(OS_WIN) 6285821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) SetFilePointer(log_file, 0, 0, SEEK_END); 6295821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) DWORD num_written; 6305821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) WriteFile(log_file, 6315821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) static_cast<const void*>(str_newline.c_str()), 6325821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) static_cast<DWORD>(str_newline.length()), 6335821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) &num_written, 6345821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) NULL); 6355821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#else 6365821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) fprintf(log_file, "%s", str_newline.c_str()); 6375821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) fflush(log_file); 6385821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#endif 6395821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 6405821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 6415821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 6425821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if (severity_ == LOG_FATAL) { 6435821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // Ensure the first characters of the string are on the stack so they 6445821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // are contained in minidumps for diagnostic purposes. 6455821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) char str_stack[1024]; 6465821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) str_newline.copy(str_stack, arraysize(str_stack)); 6475821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) base::debug::Alias(str_stack); 6485821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 6495821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // display a message or break into the debugger on a fatal error 6505821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if (base::debug::BeingDebugged()) { 6515821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) base::debug::BreakDebugger(); 6525821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } else { 6535821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if (log_assert_handler) { 6545821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // make a copy of the string for the handler out of paranoia 6555821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) log_assert_handler(std::string(stream_.str())); 6565821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } else { 6575821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // Don't use the string with the newline, get a fresh version to send to 6585821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // the debug message process. We also don't display assertions to the 6595821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // user in release mode. The enduser can't do anything with this 6605821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // information, and displaying message boxes when the application is 6615821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // hosed can cause additional problems. 6625821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#ifndef NDEBUG 6635821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) DisplayDebugMessageInDialog(stream_.str()); 6645821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#endif 6655821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // Crash the process to generate a dump. 6665821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) base::debug::BreakDebugger(); 6675821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 6685821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 6695821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } else if (severity_ == LOG_ERROR_REPORT) { 6705821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // We are here only if the user runs with --enable-dcheck in release mode. 6715821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if (log_report_handler) { 6725821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) log_report_handler(std::string(stream_.str())); 6735821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } else { 6745821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) DisplayDebugMessageInDialog(stream_.str()); 6755821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 6765821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 6775821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 6785821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 6795821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// writes the common header info to the stream 6805821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)void LogMessage::Init(const char* file, int line) { 6815821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) base::StringPiece filename(file); 6825821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) size_t last_slash_pos = filename.find_last_of("\\/"); 6835821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if (last_slash_pos != base::StringPiece::npos) 6845821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) filename.remove_prefix(last_slash_pos + 1); 6855821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 6865821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // TODO(darin): It might be nice if the columns were fixed width. 6875821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 6885821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) stream_ << '['; 6895821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if (log_process_id) 6905821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) stream_ << CurrentProcessId() << ':'; 6915821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if (log_thread_id) 6925821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) stream_ << base::PlatformThread::CurrentId() << ':'; 6935821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if (log_timestamp) { 6945821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) time_t t = time(NULL); 6955821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) struct tm local_time = {0}; 6965821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#if _MSC_VER >= 1400 6975821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) localtime_s(&local_time, &t); 6985821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#else 6995821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) localtime_r(&t, &local_time); 7005821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#endif 7015821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) struct tm* tm_time = &local_time; 7025821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) stream_ << std::setfill('0') 7035821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) << std::setw(2) << 1 + tm_time->tm_mon 7045821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) << std::setw(2) << tm_time->tm_mday 7055821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) << '/' 7065821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) << std::setw(2) << tm_time->tm_hour 7075821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) << std::setw(2) << tm_time->tm_min 7085821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) << std::setw(2) << tm_time->tm_sec 7095821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) << ':'; 7105821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 7115821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if (log_tickcount) 7125821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) stream_ << TickCount() << ':'; 7135821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if (severity_ >= 0) 7145821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) stream_ << log_severity_names[severity_]; 7155821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) else 7165821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) stream_ << "VERBOSE" << -severity_; 7175821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 7185821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) stream_ << ":" << filename << "(" << line << ")] "; 7195821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 7205821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) message_start_ = stream_.tellp(); 7215821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 7225821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 7235821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#if defined(OS_WIN) 7245821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// This has already been defined in the header, but defining it again as DWORD 7255821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// ensures that the type used in the header is equivalent to DWORD. If not, 7265821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// the redefinition is a compile error. 7275821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)typedef DWORD SystemErrorCode; 7285821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#endif 7295821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 7305821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)SystemErrorCode GetLastSystemErrorCode() { 7315821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#if defined(OS_WIN) 7325821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return ::GetLastError(); 7335821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#elif defined(OS_POSIX) 7345821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return errno; 7355821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#else 7365821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#error Not implemented 7375821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#endif 7385821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 7395821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 7405821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#if defined(OS_WIN) 7415821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)Win32ErrorLogMessage::Win32ErrorLogMessage(const char* file, 7425821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) int line, 7435821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) LogSeverity severity, 7445821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) SystemErrorCode err, 7455821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) const char* module) 7465821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) : err_(err), 7475821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) module_(module), 7485821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) log_message_(file, line, severity) { 7495821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 7505821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 7515821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)Win32ErrorLogMessage::Win32ErrorLogMessage(const char* file, 7525821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) int line, 7535821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) LogSeverity severity, 7545821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) SystemErrorCode err) 7555821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) : err_(err), 7565821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) module_(NULL), 7575821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) log_message_(file, line, severity) { 7585821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 7595821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 7605821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)Win32ErrorLogMessage::~Win32ErrorLogMessage() { 7615821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) const int error_message_buffer_size = 256; 7625821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) char msgbuf[error_message_buffer_size]; 7635821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) DWORD flags = FORMAT_MESSAGE_FROM_SYSTEM | FORMAT_MESSAGE_IGNORE_INSERTS; 7645821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) HMODULE hmod; 7655821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if (module_) { 7665821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) hmod = GetModuleHandleA(module_); 7675821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if (hmod) { 7685821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) flags |= FORMAT_MESSAGE_FROM_HMODULE; 7695821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } else { 7705821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // This makes a nested Win32ErrorLogMessage. It will have module_ of NULL 7715821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // so it will not call GetModuleHandle, so recursive errors are 7725821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // impossible. 7735821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) DPLOG(WARNING) << "Couldn't open module " << module_ 7745821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) << " for error message query"; 7755821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 7765821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } else { 7775821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) hmod = NULL; 7785821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 7795821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) DWORD len = FormatMessageA(flags, 7805821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) hmod, 7815821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) err_, 7825821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 0, 7835821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) msgbuf, 7845821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) sizeof(msgbuf) / sizeof(msgbuf[0]), 7855821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) NULL); 7865821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if (len) { 7875821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) while ((len > 0) && 7885821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) isspace(static_cast<unsigned char>(msgbuf[len - 1]))) { 7895821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) msgbuf[--len] = 0; 7905821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 7915821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) stream() << ": " << msgbuf; 7925821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } else { 7935821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) stream() << ": Error " << GetLastError() << " while retrieving error " 7945821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) << err_; 7955821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 7965821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // We're about to crash (CHECK). Put |err_| on the stack (by placing it in a 7975821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // field) and use Alias in hopes that it makes it into crash dumps. 7985821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) DWORD last_error = err_; 7995821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) base::debug::Alias(&last_error); 8005821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 8015821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#elif defined(OS_POSIX) 8025821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)ErrnoLogMessage::ErrnoLogMessage(const char* file, 8035821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) int line, 8045821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) LogSeverity severity, 8055821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) SystemErrorCode err) 8065821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) : err_(err), 8075821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) log_message_(file, line, severity) { 8085821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 8095821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 8105821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)ErrnoLogMessage::~ErrnoLogMessage() { 8115821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) stream() << ": " << safe_strerror(err_); 8125821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 8135821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#endif // OS_WIN 8145821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 8155821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)void CloseLogFile() { 8165821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) LoggingLock logging_lock; 8177dbb3d5cf0c15f500944d211057644d6a2f37371Ben Murdoch CloseLogFileUnlocked(); 8185821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 8195821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 8205821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)void RawLog(int level, const char* message) { 8215821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if (level >= min_log_level) { 8225821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) size_t bytes_written = 0; 8235821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) const size_t message_len = strlen(message); 8245821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) int rv; 8255821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) while (bytes_written < message_len) { 8265821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) rv = HANDLE_EINTR( 8275821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) write(STDERR_FILENO, message + bytes_written, 8285821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) message_len - bytes_written)); 8295821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if (rv < 0) { 8305821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // Give up, nothing we can do now. 8315821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) break; 8325821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 8335821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) bytes_written += rv; 8345821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 8355821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 8365821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if (message_len > 0 && message[message_len - 1] != '\n') { 8375821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) do { 8385821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) rv = HANDLE_EINTR(write(STDERR_FILENO, "\n", 1)); 8395821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if (rv < 0) { 8405821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // Give up, nothing we can do now. 8415821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) break; 8425821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 8435821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } while (rv != 1); 8445821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 8455821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 8465821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 8475821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if (level == LOG_FATAL) 8485821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) base::debug::BreakDebugger(); 8495821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 8505821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 8515821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// This was defined at the beginning of this file. 8525821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#undef write 8535821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 8542a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)#if defined(OS_WIN) 8552a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)std::wstring GetLogFileFullPath() { 8562a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) if (log_file_name) 8572a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) return *log_file_name; 8582a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) return std::wstring(); 8592a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)} 8602a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)#endif 8612a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 8625821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} // namespace logging 8635821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 8645821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)std::ostream& operator<<(std::ostream& out, const wchar_t* wstr) { 8655821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return out << WideToUTF8(std::wstring(wstr)); 8665821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 867