The Tor Browser: b2g/app/nsBrowserApp.cpp@7e26c7da4463 (annotated)

b2g/app/nsBrowserApp.cpp@7e26c7da4463 (annotated)

b2g/app/nsBrowserApp.cpp

Wed, 31 Dec 2014 06:55:50 +0100

author: Michael Schloh von Bennewitz <michael@schloh.com>
date: Wed, 31 Dec 2014 06:55:50 +0100
changeset 2: 7e26c7da4463
permissions: -rw-r--r--

Added tag UPSTREAM_283F7C6 for changeset ca08bd8f51b2

 /* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
 /* This Source Code Form is subject to the terms of the Mozilla Public
  * License, v. 2.0. If a copy of the MPL was not distributed with this
  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
 #include "nsXULAppAPI.h"
 #include "application.ini.h"
 #include "nsXPCOMGlue.h"
 #if defined(XP_WIN)
 #include <windows.h>
 #include <stdlib.h>
 #elif defined(XP_UNIX)
 #include <sys/time.h>
 #include <sys/resource.h>
 #include <unistd.h>
 #endif
 #include <stdio.h>
 #include <stdarg.h>
 #include "nsCOMPtr.h"
 #include "nsIFile.h"
 #include "nsStringGlue.h"
 #ifdef XP_WIN
 // we want a wmain entry point
 #include "nsWindowsWMain.cpp"
 #define snprintf _snprintf
 #define strcasecmp _stricmp
 #endif
 #ifdef MOZ_WIDGET_GONK
 #include "GonkDisplay.h"
 #endif
 #include "BinaryPath.h"
 #include "nsXPCOMPrivate.h" // for MAXPATHLEN and XPCOM_DLL
 #ifdef MOZ_WIDGET_GONK
 # include <binder/ProcessState.h>
 #endif
 #include "mozilla/Telemetry.h"
 #include "mozilla/WindowsDllBlocklist.h"
 static void Output(const char *fmt, ... )
 {
   va_list ap;
   va_start(ap, fmt);
 #if defined(XP_WIN) && !MOZ_WINCONSOLE
   char16_t msg[2048];
   _vsnwprintf(msg, sizeof(msg)/sizeof(msg[0]), NS_ConvertUTF8toUTF16(fmt).get(), ap);
   MessageBoxW(nullptr, msg, L"XULRunner", MB_OK | MB_ICONERROR);
 #else
   vfprintf(stderr, fmt, ap);
 #endif
   va_end(ap);
 }
 /**
  * Return true if |arg| matches the given argument name.
  */
 static bool IsArg(const char* arg, const char* s)
 {
   if (*arg == '-')
   {
     if (*++arg == '-')
       ++arg;
     return !strcasecmp(arg, s);
   }
 #if defined(XP_WIN)
   if (*arg == '/')
     return !strcasecmp(++arg, s);
 #endif
   return false;
 }
 /**
  * A helper class which calls NS_LogInit/NS_LogTerm in its scope.
  */
 class ScopedLogging
 {
 public:
   ScopedLogging() { NS_LogInit(); }
   ~ScopedLogging() { NS_LogTerm(); }
 };
 XRE_GetFileFromPathType XRE_GetFileFromPath;
 XRE_CreateAppDataType XRE_CreateAppData;
 XRE_FreeAppDataType XRE_FreeAppData;
 XRE_TelemetryAccumulateType XRE_TelemetryAccumulate;
 XRE_mainType XRE_main;
 static const nsDynamicFunctionLoad kXULFuncs[] = {
     { "XRE_GetFileFromPath", (NSFuncPtr*) &XRE_GetFileFromPath },
     { "XRE_CreateAppData", (NSFuncPtr*) &XRE_CreateAppData },
     { "XRE_FreeAppData", (NSFuncPtr*) &XRE_FreeAppData },
     { "XRE_TelemetryAccumulate", (NSFuncPtr*) &XRE_TelemetryAccumulate },
     { "XRE_main", (NSFuncPtr*) &XRE_main },
     { nullptr, nullptr }
 };
 static int do_main(int argc, char* argv[])
 {
   nsCOMPtr<nsIFile> appini;
   nsresult rv;
   // Allow firefox.exe to launch XULRunner apps via -app <application.ini>
   // Note that -app must be the *first* argument.
   const char *appDataFile = getenv("XUL_APP_FILE");
   if (appDataFile && *appDataFile) {
     rv = XRE_GetFileFromPath(appDataFile, getter_AddRefs(appini));
     if (NS_FAILED(rv)) {
       Output("Invalid path found: '%s'", appDataFile);
       return 255;
     }
   }
   else if (argc > 1 && IsArg(argv[1], "app")) {
     if (argc == 2) {
       Output("Incorrect number of arguments passed to -app");
       return 255;
     }
     rv = XRE_GetFileFromPath(argv[2], getter_AddRefs(appini));
     if (NS_FAILED(rv)) {
       Output("application.ini path not recognized: '%s'", argv[2]);
       return 255;
     }
     char appEnv[MAXPATHLEN];
     snprintf(appEnv, MAXPATHLEN, "XUL_APP_FILE=%s", argv[2]);
     if (putenv(appEnv)) {
       Output("Couldn't set %s.\n", appEnv);
       return 255;
     }
     argv[2] = argv[0];
     argv += 2;
     argc -= 2;
   }
 #ifdef MOZ_WIDGET_GONK
   /* Called to start the boot animation */
   (void) mozilla::GetGonkDisplay();
 #endif
   if (appini) {
     nsXREAppData *appData;
     rv = XRE_CreateAppData(appini, &appData);
     if (NS_FAILED(rv)) {
       Output("Couldn't read application.ini");
       return 255;
     }
     int result = XRE_main(argc, argv, appData, 0);
     XRE_FreeAppData(appData);
     return result;
   }
   return XRE_main(argc, argv, &sAppData, 0);
 }
 int main(int argc, char* argv[])
 {
   char exePath[MAXPATHLEN];
 #ifdef MOZ_WIDGET_GONK
   // This creates a ThreadPool for binder ipc. A ThreadPool is necessary to
   // receive binder calls, though not necessary to send binder calls.
   // ProcessState::Self() also needs to be called once on the main thread to
   // register the main thread with the binder driver.
   android::ProcessState::self()->startThreadPool();
 #endif
   nsresult rv = mozilla::BinaryPath::Get(argv[0], exePath);
   if (NS_FAILED(rv)) {
     Output("Couldn't calculate the application directory.\n");
     return 255;
   }
   char *lastSlash = strrchr(exePath, XPCOM_FILE_PATH_SEPARATOR[0]);
   if (!lastSlash || ((lastSlash - exePath) + sizeof(XPCOM_DLL) + 1 > MAXPATHLEN))
     return 255;
   strcpy(++lastSlash, XPCOM_DLL);
 #if defined(XP_UNIX)
   // If the b2g app is launched from adb shell, then the shell will wind
   // up being the process group controller. This means that we can't send
   // signals to the process group (useful for profiling).
   // We ignore the return value since setsid() fails if we're already the
   // process group controller (the normal situation).
   (void)setsid();
 #endif
   int gotCounters;
 #if defined(XP_UNIX)
   struct rusage initialRUsage;
   gotCounters = !getrusage(RUSAGE_SELF, &initialRUsage);
 #elif defined(XP_WIN)
   IO_COUNTERS ioCounters;
   gotCounters = GetProcessIoCounters(GetCurrentProcess(), &ioCounters);
 #endif
 #ifdef HAS_DLL_BLOCKLIST
   DllBlocklist_Initialize();
 #endif
   // We do this because of data in bug 771745
   XPCOMGlueEnablePreload();
   rv = XPCOMGlueStartup(exePath);
   if (NS_FAILED(rv)) {
     Output("Couldn't load XPCOM.\n");
     return 255;
   }
   // Reset exePath so that it is the directory name and not the xpcom dll name
   *lastSlash = 0;
   rv = XPCOMGlueLoadXULFunctions(kXULFuncs);
   if (NS_FAILED(rv)) {
     Output("Couldn't load XRE functions.\n");
     return 255;
   }
   if (gotCounters) {
 #if defined(XP_WIN)
     XRE_TelemetryAccumulate(mozilla::Telemetry::EARLY_GLUESTARTUP_READ_OPS,
                             int(ioCounters.ReadOperationCount));
     XRE_TelemetryAccumulate(mozilla::Telemetry::EARLY_GLUESTARTUP_READ_TRANSFER,
                             int(ioCounters.ReadTransferCount / 1024));
     IO_COUNTERS newIoCounters;
     if (GetProcessIoCounters(GetCurrentProcess(), &newIoCounters)) {
       XRE_TelemetryAccumulate(mozilla::Telemetry::GLUESTARTUP_READ_OPS,
                               int(newIoCounters.ReadOperationCount - ioCounters.ReadOperationCount));
       XRE_TelemetryAccumulate(mozilla::Telemetry::GLUESTARTUP_READ_TRANSFER,
                               int((newIoCounters.ReadTransferCount - ioCounters.ReadTransferCount) / 1024));
     }
 #elif defined(XP_UNIX)
     XRE_TelemetryAccumulate(mozilla::Telemetry::EARLY_GLUESTARTUP_HARD_FAULTS,
                             int(initialRUsage.ru_majflt));
     struct rusage newRUsage;
     if (!getrusage(RUSAGE_SELF, &newRUsage)) {
       XRE_TelemetryAccumulate(mozilla::Telemetry::GLUESTARTUP_HARD_FAULTS,
                               int(newRUsage.ru_majflt - initialRUsage.ru_majflt));
     }
 #endif
   }
   int result;
   {
     ScopedLogging log;
     result = do_main(argc, argv);
   }
   return result;
 }

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b2g/app/nsBrowserApp.cpp@7e26c7da4463 (annotated)

b2g/app/nsBrowserApp.cpp