diff options
Diffstat (limited to 'indra/llcommon/llapp.cpp')
| -rw-r--r-- | indra/llcommon/llapp.cpp | 960 |
1 files changed, 480 insertions, 480 deletions
diff --git a/indra/llcommon/llapp.cpp b/indra/llcommon/llapp.cpp index 90d0c28eb1..9729f68d23 100644 --- a/indra/llcommon/llapp.cpp +++ b/indra/llcommon/llapp.cpp @@ -1,25 +1,25 @@ -/** +/** * @file llapp.cpp * @brief Implementation of the LLApp class. * * $LicenseInfo:firstyear=2003&license=viewerlgpl$ * Second Life Viewer Source Code * Copyright (C) 2010, Linden Research, Inc. - * + * * This library is free software; you can redistribute it and/or * modify it under the terms of the GNU Lesser General Public * License as published by the Free Software Foundation; * version 2.1 of the License only. - * + * * This library is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * Lesser General Public License for more details. - * + * * You should have received a copy of the GNU Lesser General Public * License along with this library; if not, write to the Free Software * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA - * + * * Linden Research, Inc., 945 Battery Street, San Francisco, CA 94111 USA * $/LicenseInfo$ */ @@ -70,8 +70,8 @@ void default_unix_signal_handler(int signum, siginfo_t *info, void *); #else // Called by breakpad exception handler after the minidump has been generated. bool unix_post_minidump_callback(const char *dump_dir, - const char *minidump_id, - void *context, bool succeeded); + const char *minidump_id, + void *context, bool succeeded); #endif # if LL_DARWIN @@ -94,7 +94,7 @@ LLApp* LLApp::sApplication = NULL; // Allows the generation of core files for post mortem under gdb // and disables crashlogger -BOOL LLApp::sDisableCrashlogger = FALSE; +BOOL LLApp::sDisableCrashlogger = FALSE; // Local flag for whether or not to do logging in signal handlers. //static @@ -108,222 +108,222 @@ LLAppErrorHandler LLApp::sErrorHandler = NULL; LLApp::LLApp() { - // Set our status to running - setStatus(APP_STATUS_RUNNING); + // Set our status to running + setStatus(APP_STATUS_RUNNING); + + LLCommon::initClass(); - LLCommon::initClass(); + // initialize the options structure. We need to make this an array + // because the structured data will not auto-allocate if we + // reference an invalid location with the [] operator. + mOptions = LLSD::emptyArray(); + LLSD sd; + for(int i = 0; i < PRIORITY_COUNT; ++i) + { + mOptions.append(sd); + } - // initialize the options structure. We need to make this an array - // because the structured data will not auto-allocate if we - // reference an invalid location with the [] operator. - mOptions = LLSD::emptyArray(); - LLSD sd; - for(int i = 0; i < PRIORITY_COUNT; ++i) - { - mOptions.append(sd); - } + // Make sure we clean up APR when we exit + // Don't need to do this if we're cleaning up APR in the destructor + //atexit(ll_cleanup_apr); - // Make sure we clean up APR when we exit - // Don't need to do this if we're cleaning up APR in the destructor - //atexit(ll_cleanup_apr); + // Set the application to this instance. + sApplication = this; - // Set the application to this instance. - sApplication = this; - - // initialize the buffer to write the minidump filename to - // (this is used to avoid allocating memory in the crash handler) - memset(mMinidumpPath, 0, MAX_MINDUMP_PATH_LENGTH); - mCrashReportPipeStr = L"\\\\.\\pipe\\LLCrashReporterPipe"; + // initialize the buffer to write the minidump filename to + // (this is used to avoid allocating memory in the crash handler) + memset(mMinidumpPath, 0, MAX_MINDUMP_PATH_LENGTH); + mCrashReportPipeStr = L"\\\\.\\pipe\\LLCrashReporterPipe"; } LLApp::~LLApp() { - // reclaim live file memory - std::for_each(mLiveFiles.begin(), mLiveFiles.end(), DeletePointer()); - mLiveFiles.clear(); + // reclaim live file memory + std::for_each(mLiveFiles.begin(), mLiveFiles.end(), DeletePointer()); + mLiveFiles.clear(); - setStopped(); + setStopped(); - SUBSYSTEM_CLEANUP_DBG(LLCommon); + SUBSYSTEM_CLEANUP_DBG(LLCommon); } // static LLApp* LLApp::instance() { - return sApplication; + return sApplication; } LLSD LLApp::getOption(const std::string& name) const { - LLSD rv; - LLSD::array_const_iterator iter = mOptions.beginArray(); - LLSD::array_const_iterator end = mOptions.endArray(); - for(; iter != end; ++iter) - { - rv = (*iter)[name]; - if(rv.isDefined()) break; - } - return rv; + LLSD rv; + LLSD::array_const_iterator iter = mOptions.beginArray(); + LLSD::array_const_iterator end = mOptions.endArray(); + for(; iter != end; ++iter) + { + rv = (*iter)[name]; + if(rv.isDefined()) break; + } + return rv; } bool LLApp::parseCommandOptions(int argc, char** argv) { - LLSD commands; - std::string name; - std::string value; - for(int ii = 1; ii < argc; ++ii) - { - if(argv[ii][0] != '-') - { - LL_INFOS() << "Did not find option identifier while parsing token: " - << argv[ii] << LL_ENDL; - return false; - } - int offset = 1; - if(argv[ii][1] == '-') ++offset; - name.assign(&argv[ii][offset]); - if(((ii+1) >= argc) || (argv[ii+1][0] == '-')) - { - // we found another option after this one or we have - // reached the end. simply record that this option was - // found and continue. - int flag = name.compare("logfile"); - if (0 == flag) - { - commands[name] = "log"; - } - else - { - commands[name] = true; - } - - continue; - } - ++ii; - value.assign(argv[ii]); + LLSD commands; + std::string name; + std::string value; + for(int ii = 1; ii < argc; ++ii) + { + if(argv[ii][0] != '-') + { + LL_INFOS() << "Did not find option identifier while parsing token: " + << argv[ii] << LL_ENDL; + return false; + } + int offset = 1; + if(argv[ii][1] == '-') ++offset; + name.assign(&argv[ii][offset]); + if(((ii+1) >= argc) || (argv[ii+1][0] == '-')) + { + // we found another option after this one or we have + // reached the end. simply record that this option was + // found and continue. + int flag = name.compare("logfile"); + if (0 == flag) + { + commands[name] = "log"; + } + else + { + commands[name] = true; + } + + continue; + } + ++ii; + value.assign(argv[ii]); #if LL_WINDOWS - //Windows changed command line parsing. Deal with it. - S32 slen = value.length() - 1; - S32 start = 0; - S32 end = slen; - if (argv[ii][start]=='"')start++; - if (argv[ii][end]=='"')end--; - if (start!=0 || end!=slen) - { - value = value.substr (start,end); - } + //Windows changed command line parsing. Deal with it. + S32 slen = value.length() - 1; + S32 start = 0; + S32 end = slen; + if (argv[ii][start]=='"')start++; + if (argv[ii][end]=='"')end--; + if (start!=0 || end!=slen) + { + value = value.substr (start,end); + } #endif - commands[name] = value; - } - setOptionData(PRIORITY_COMMAND_LINE, commands); - return true; + commands[name] = value; + } + setOptionData(PRIORITY_COMMAND_LINE, commands); + return true; } bool LLApp::parseCommandOptions(int argc, wchar_t** wargv) { - LLSD commands; - std::string name; - std::string value; - for(int ii = 1; ii < argc; ++ii) - { - if(wargv[ii][0] != '-') - { - LL_INFOS() << "Did not find option identifier while parsing token: " - << wargv[ii] << LL_ENDL; - return false; - } - int offset = 1; - if(wargv[ii][1] == '-') ++offset; + LLSD commands; + std::string name; + std::string value; + for(int ii = 1; ii < argc; ++ii) + { + if(wargv[ii][0] != '-') + { + LL_INFOS() << "Did not find option identifier while parsing token: " + << wargv[ii] << LL_ENDL; + return false; + } + int offset = 1; + if(wargv[ii][1] == '-') ++offset; #if LL_WINDOWS - name.assign(utf16str_to_utf8str(&wargv[ii][offset])); + name.assign(utf16str_to_utf8str(&wargv[ii][offset])); #else - name.assign(wstring_to_utf8str(&wargv[ii][offset])); + name.assign(wstring_to_utf8str(&wargv[ii][offset])); #endif - if(((ii+1) >= argc) || (wargv[ii+1][0] == '-')) - { - // we found another option after this one or we have - // reached the end. simply record that this option was - // found and continue. - int flag = name.compare("logfile"); - if (0 == flag) - { - commands[name] = "log"; - } - else - { - commands[name] = true; - } - - continue; - } - ++ii; + if(((ii+1) >= argc) || (wargv[ii+1][0] == '-')) + { + // we found another option after this one or we have + // reached the end. simply record that this option was + // found and continue. + int flag = name.compare("logfile"); + if (0 == flag) + { + commands[name] = "log"; + } + else + { + commands[name] = true; + } + + continue; + } + ++ii; #if LL_WINDOWS - value.assign(utf16str_to_utf8str((wargv[ii]))); + value.assign(utf16str_to_utf8str((wargv[ii]))); #else - value.assign(wstring_to_utf8str((wargv[ii]))); + value.assign(wstring_to_utf8str((wargv[ii]))); #endif #if LL_WINDOWS - //Windows changed command line parsing. Deal with it. - S32 slen = value.length() - 1; - S32 start = 0; - S32 end = slen; - if (wargv[ii][start]=='"')start++; - if (wargv[ii][end]=='"')end--; - if (start!=0 || end!=slen) - { - value = value.substr (start,end); - } + //Windows changed command line parsing. Deal with it. + S32 slen = value.length() - 1; + S32 start = 0; + S32 end = slen; + if (wargv[ii][start]=='"')start++; + if (wargv[ii][end]=='"')end--; + if (start!=0 || end!=slen) + { + value = value.substr (start,end); + } #endif - commands[name] = value; - } - setOptionData(PRIORITY_COMMAND_LINE, commands); - return true; + commands[name] = value; + } + setOptionData(PRIORITY_COMMAND_LINE, commands); + return true; } void LLApp::manageLiveFile(LLLiveFile* livefile) { - if(!livefile) return; - livefile->checkAndReload(); - livefile->addToEventTimer(); - mLiveFiles.push_back(livefile); + if(!livefile) return; + livefile->checkAndReload(); + livefile->addToEventTimer(); + mLiveFiles.push_back(livefile); } bool LLApp::setOptionData(OptionPriority level, LLSD data) { - if((level < 0) - || (level >= PRIORITY_COUNT) - || (data.type() != LLSD::TypeMap)) - { - return false; - } - mOptions[level] = data; - return true; + if((level < 0) + || (level >= PRIORITY_COUNT) + || (data.type() != LLSD::TypeMap)) + { + return false; + } + mOptions[level] = data; + return true; } LLSD LLApp::getOptionData(OptionPriority level) { - if((level < 0) || (level >= PRIORITY_COUNT)) - { - return LLSD(); - } - return mOptions[level]; + if((level < 0) || (level >= PRIORITY_COUNT)) + { + return LLSD(); + } + return mOptions[level]; } void LLApp::stepFrame() { - LLFrameTimer::updateFrameTime(); - LLFrameTimer::updateFrameCount(); - LLEventTimer::updateClass(); - mRunner.run(); + LLFrameTimer::updateFrameTime(); + LLFrameTimer::updateFrameCount(); + LLEventTimer::updateClass(); + mRunner.run(); } #if LL_WINDOWS @@ -332,31 +332,31 @@ void LLApp::stepFrame() //in-depth article on the issue may be found here: http://randomascii.wordpress.com/2012/07/05/when-even-crashing-doesn-work/ void EnableCrashingOnCrashes() { - typedef BOOL (WINAPI *tGetPolicy)(LPDWORD lpFlags); - typedef BOOL (WINAPI *tSetPolicy)(DWORD dwFlags); - const DWORD EXCEPTION_SWALLOWING = 0x1; - - HMODULE kernel32 = LoadLibraryA("kernel32.dll"); - tGetPolicy pGetPolicy = (tGetPolicy)GetProcAddress(kernel32, - "GetProcessUserModeExceptionPolicy"); - tSetPolicy pSetPolicy = (tSetPolicy)GetProcAddress(kernel32, - "SetProcessUserModeExceptionPolicy"); - if (pGetPolicy && pSetPolicy) - { - DWORD dwFlags; - if (pGetPolicy(&dwFlags)) - { - // Turn off the filter - pSetPolicy(dwFlags & ~EXCEPTION_SWALLOWING); - } - } + typedef BOOL (WINAPI *tGetPolicy)(LPDWORD lpFlags); + typedef BOOL (WINAPI *tSetPolicy)(DWORD dwFlags); + const DWORD EXCEPTION_SWALLOWING = 0x1; + + HMODULE kernel32 = LoadLibraryA("kernel32.dll"); + tGetPolicy pGetPolicy = (tGetPolicy)GetProcAddress(kernel32, + "GetProcessUserModeExceptionPolicy"); + tSetPolicy pSetPolicy = (tSetPolicy)GetProcAddress(kernel32, + "SetProcessUserModeExceptionPolicy"); + if (pGetPolicy && pSetPolicy) + { + DWORD dwFlags; + if (pGetPolicy(&dwFlags)) + { + // Turn off the filter + pSetPolicy(dwFlags & ~EXCEPTION_SWALLOWING); + } + } } #endif void LLApp::setupErrorHandling(bool second_instance) { - // Error handling is done by starting up an error handling thread, which just sleeps and - // occasionally checks to see if the app is in an error state, and sees if it needs to be run. + // Error handling is done by starting up an error handling thread, which just sleeps and + // occasionally checks to see if the app is in an error state, and sees if it needs to be run. #if LL_WINDOWS @@ -377,19 +377,19 @@ void LLApp::setupErrorHandling(bool second_instance) void LLApp::setErrorHandler(LLAppErrorHandler handler) { - LLApp::sErrorHandler = handler; + LLApp::sErrorHandler = handler; } // static void LLApp::runErrorHandler() { - if (LLApp::sErrorHandler) - { - LLApp::sErrorHandler(); - } + if (LLApp::sErrorHandler) + { + LLApp::sErrorHandler(); + } - //LL_INFOS() << "App status now STOPPED" << LL_ENDL; - LLApp::setStopped(); + //LL_INFOS() << "App status now STOPPED" << LL_ENDL; + LLApp::setStopped(); } namespace @@ -435,14 +435,14 @@ void LLApp::setStatus(EAppStatus status) // static void LLApp::setError() { - // set app status to ERROR - setStatus(APP_STATUS_ERROR); + // set app status to ERROR + setStatus(APP_STATUS_ERROR); } void LLApp::setDebugFileNames(const std::string &path) { - mStaticDebugFileName = path + "static_debug_info.log"; - mDynamicDebugFileName = path + "dynamic_debug_info.log"; + mStaticDebugFileName = path + "static_debug_info.log"; + mDynamicDebugFileName = path + "dynamic_debug_info.log"; } void LLApp::writeMiniDump() @@ -452,64 +452,64 @@ void LLApp::writeMiniDump() // static void LLApp::setQuitting() { - if (!isExiting()) - { - // If we're already exiting, we don't want to reset our state back to quitting. - LL_INFOS() << "Setting app state to QUITTING" << LL_ENDL; - setStatus(APP_STATUS_QUITTING); - } + if (!isExiting()) + { + // If we're already exiting, we don't want to reset our state back to quitting. + LL_INFOS() << "Setting app state to QUITTING" << LL_ENDL; + setStatus(APP_STATUS_QUITTING); + } } // static void LLApp::setStopped() { - setStatus(APP_STATUS_STOPPED); + setStatus(APP_STATUS_STOPPED); } // static bool LLApp::isStopped() { - return (APP_STATUS_STOPPED == sStatus.get()); + return (APP_STATUS_STOPPED == sStatus.get()); } // static bool LLApp::isRunning() { - return (APP_STATUS_RUNNING == sStatus.get()); + return (APP_STATUS_RUNNING == sStatus.get()); } // static bool LLApp::isError() { - return (APP_STATUS_ERROR == sStatus.get()); + return (APP_STATUS_ERROR == sStatus.get()); } // static bool LLApp::isQuitting() { - return (APP_STATUS_QUITTING == sStatus.get()); + return (APP_STATUS_QUITTING == sStatus.get()); } // static bool LLApp::isExiting() { - return isQuitting() || isError(); + return isQuitting() || isError(); } void LLApp::disableCrashlogger() { - sDisableCrashlogger = TRUE; + sDisableCrashlogger = TRUE; } // static bool LLApp::isCrashloggerDisabled() { - return (sDisableCrashlogger == TRUE); + return (sDisableCrashlogger == TRUE); } // static @@ -518,336 +518,336 @@ int LLApp::getPid() #if LL_WINDOWS return GetCurrentProcessId(); #else - return getpid(); + return getpid(); #endif } #if LL_WINDOWS LONG WINAPI default_windows_exception_handler(struct _EXCEPTION_POINTERS *exception_infop) { - // Translate the signals/exceptions into cross-platform stuff - // Windows implementation + // Translate the signals/exceptions into cross-platform stuff + // Windows implementation - // Make sure the user sees something to indicate that the app crashed. - LONG retval; + // Make sure the user sees something to indicate that the app crashed. + LONG retval; - if (LLApp::isError()) - { - LL_WARNS() << "Got another fatal signal while in the error handler, die now!" << LL_ENDL; - retval = EXCEPTION_EXECUTE_HANDLER; - return retval; - } + if (LLApp::isError()) + { + LL_WARNS() << "Got another fatal signal while in the error handler, die now!" << LL_ENDL; + retval = EXCEPTION_EXECUTE_HANDLER; + return retval; + } - // Flag status to error, so thread_error starts its work - LLApp::setError(); + // Flag status to error, so thread_error starts its work + LLApp::setError(); - // Block in the exception handler until the app has stopped - // This is pretty sketchy, but appears to work just fine - while (!LLApp::isStopped()) - { - ms_sleep(10); - } + // Block in the exception handler until the app has stopped + // This is pretty sketchy, but appears to work just fine + while (!LLApp::isStopped()) + { + ms_sleep(10); + } - // - // Generate a minidump if we can. - // - // TODO: This needs to be ported over form the viewer-specific - // LLWinDebug class + // + // Generate a minidump if we can. + // + // TODO: This needs to be ported over form the viewer-specific + // LLWinDebug class - // - // At this point, we always want to exit the app. There's no graceful - // recovery for an unhandled exception. - // - // Just kill the process. - retval = EXCEPTION_EXECUTE_HANDLER; - return retval; + // + // At this point, we always want to exit the app. There's no graceful + // recovery for an unhandled exception. + // + // Just kill the process. + retval = EXCEPTION_EXECUTE_HANDLER; + return retval; } // Win32 doesn't support signals. This is used instead. -BOOL ConsoleCtrlHandler(DWORD fdwCtrlType) -{ - switch (fdwCtrlType) - { - case CTRL_BREAK_EVENT: - case CTRL_LOGOFF_EVENT: - case CTRL_SHUTDOWN_EVENT: - case CTRL_CLOSE_EVENT: // From end task or the window close button. - case CTRL_C_EVENT: // from CTRL-C on the keyboard - // Just set our state to quitting, not error - if (LLApp::isQuitting() || LLApp::isError()) - { - // We're already trying to die, just ignore this signal - if (LLApp::sLogInSignal) - { - LL_INFOS() << "Signal handler - Already trying to quit, ignoring signal!" << LL_ENDL; - } - return TRUE; - } - LLApp::setQuitting(); - return TRUE; - - default: - return FALSE; - } -} +BOOL ConsoleCtrlHandler(DWORD fdwCtrlType) +{ + switch (fdwCtrlType) + { + case CTRL_BREAK_EVENT: + case CTRL_LOGOFF_EVENT: + case CTRL_SHUTDOWN_EVENT: + case CTRL_CLOSE_EVENT: // From end task or the window close button. + case CTRL_C_EVENT: // from CTRL-C on the keyboard + // Just set our state to quitting, not error + if (LLApp::isQuitting() || LLApp::isError()) + { + // We're already trying to die, just ignore this signal + if (LLApp::sLogInSignal) + { + LL_INFOS() << "Signal handler - Already trying to quit, ignoring signal!" << LL_ENDL; + } + return TRUE; + } + LLApp::setQuitting(); + return TRUE; + + default: + return FALSE; + } +} #else //!LL_WINDOWS void setup_signals() { - // - // Set up signal handlers that may result in program termination - // - struct sigaction act; - act.sa_sigaction = default_unix_signal_handler; - sigemptyset( &act.sa_mask ); - act.sa_flags = SA_SIGINFO; + // + // Set up signal handlers that may result in program termination + // + struct sigaction act; + act.sa_sigaction = default_unix_signal_handler; + sigemptyset( &act.sa_mask ); + act.sa_flags = SA_SIGINFO; - // Synchronous signals + // Synchronous signals # ifndef LL_BUGSPLAT - sigaction(SIGABRT, &act, NULL); + sigaction(SIGABRT, &act, NULL); # endif - sigaction(SIGALRM, &act, NULL); - sigaction(SIGBUS, &act, NULL); - sigaction(SIGFPE, &act, NULL); - sigaction(SIGHUP, &act, NULL); - sigaction(SIGILL, &act, NULL); - sigaction(SIGPIPE, &act, NULL); - sigaction(SIGSEGV, &act, NULL); - sigaction(SIGSYS, &act, NULL); - - sigaction(LL_HEARTBEAT_SIGNAL, &act, NULL); - sigaction(LL_SMACKDOWN_SIGNAL, &act, NULL); - - // Asynchronous signals that are normally ignored + sigaction(SIGALRM, &act, NULL); + sigaction(SIGBUS, &act, NULL); + sigaction(SIGFPE, &act, NULL); + sigaction(SIGHUP, &act, NULL); + sigaction(SIGILL, &act, NULL); + sigaction(SIGPIPE, &act, NULL); + sigaction(SIGSEGV, &act, NULL); + sigaction(SIGSYS, &act, NULL); + + sigaction(LL_HEARTBEAT_SIGNAL, &act, NULL); + sigaction(LL_SMACKDOWN_SIGNAL, &act, NULL); + + // Asynchronous signals that are normally ignored #ifndef LL_IGNORE_SIGCHLD - sigaction(SIGCHLD, &act, NULL); + sigaction(SIGCHLD, &act, NULL); #endif // LL_IGNORE_SIGCHLD - sigaction(SIGUSR2, &act, NULL); + sigaction(SIGUSR2, &act, NULL); - // Asynchronous signals that result in attempted graceful exit - sigaction(SIGHUP, &act, NULL); - sigaction(SIGTERM, &act, NULL); - sigaction(SIGINT, &act, NULL); + // Asynchronous signals that result in attempted graceful exit + sigaction(SIGHUP, &act, NULL); + sigaction(SIGTERM, &act, NULL); + sigaction(SIGINT, &act, NULL); + + // Asynchronous signals that result in core + sigaction(SIGQUIT, &act, NULL); - // Asynchronous signals that result in core - sigaction(SIGQUIT, &act, NULL); - } void clear_signals() { - struct sigaction act; - act.sa_handler = SIG_DFL; - sigemptyset( &act.sa_mask ); - act.sa_flags = SA_SIGINFO; + struct sigaction act; + act.sa_handler = SIG_DFL; + sigemptyset( &act.sa_mask ); + act.sa_flags = SA_SIGINFO; - // Synchronous signals + // Synchronous signals # ifndef LL_BUGSPLAT - sigaction(SIGABRT, &act, NULL); + sigaction(SIGABRT, &act, NULL); # endif - sigaction(SIGALRM, &act, NULL); - sigaction(SIGBUS, &act, NULL); - sigaction(SIGFPE, &act, NULL); - sigaction(SIGHUP, &act, NULL); - sigaction(SIGILL, &act, NULL); - sigaction(SIGPIPE, &act, NULL); - sigaction(SIGSEGV, &act, NULL); - sigaction(SIGSYS, &act, NULL); - - sigaction(LL_HEARTBEAT_SIGNAL, &act, NULL); - sigaction(LL_SMACKDOWN_SIGNAL, &act, NULL); - - // Asynchronous signals that are normally ignored + sigaction(SIGALRM, &act, NULL); + sigaction(SIGBUS, &act, NULL); + sigaction(SIGFPE, &act, NULL); + sigaction(SIGHUP, &act, NULL); + sigaction(SIGILL, &act, NULL); + sigaction(SIGPIPE, &act, NULL); + sigaction(SIGSEGV, &act, NULL); + sigaction(SIGSYS, &act, NULL); + + sigaction(LL_HEARTBEAT_SIGNAL, &act, NULL); + sigaction(LL_SMACKDOWN_SIGNAL, &act, NULL); + + // Asynchronous signals that are normally ignored #ifndef LL_IGNORE_SIGCHLD - sigaction(SIGCHLD, &act, NULL); + sigaction(SIGCHLD, &act, NULL); #endif // LL_IGNORE_SIGCHLD - // Asynchronous signals that result in attempted graceful exit - sigaction(SIGHUP, &act, NULL); - sigaction(SIGTERM, &act, NULL); - sigaction(SIGINT, &act, NULL); + // Asynchronous signals that result in attempted graceful exit + sigaction(SIGHUP, &act, NULL); + sigaction(SIGTERM, &act, NULL); + sigaction(SIGINT, &act, NULL); - // Asynchronous signals that result in core - sigaction(SIGUSR2, &act, NULL); - sigaction(SIGQUIT, &act, NULL); + // Asynchronous signals that result in core + sigaction(SIGUSR2, &act, NULL); + sigaction(SIGQUIT, &act, NULL); } void default_unix_signal_handler(int signum, siginfo_t *info, void *) { - // Unix implementation of synchronous signal handler - // This runs in the thread that threw the signal. - // We do the somewhat sketchy operation of blocking in here until the error handler - // has gracefully stopped the app. + // Unix implementation of synchronous signal handler + // This runs in the thread that threw the signal. + // We do the somewhat sketchy operation of blocking in here until the error handler + // has gracefully stopped the app. - if (LLApp::sLogInSignal) - { - LL_INFOS() << "Signal handler - Got signal " << signum << " - " << apr_signal_description_get(signum) << LL_ENDL; - } + if (LLApp::sLogInSignal) + { + LL_INFOS() << "Signal handler - Got signal " << signum << " - " << apr_signal_description_get(signum) << LL_ENDL; + } - switch (signum) - { - case SIGCHLD: - if (LLApp::sLogInSignal) - { - LL_INFOS() << "Signal handler - Got SIGCHLD from " << info->si_pid << LL_ENDL; - } + switch (signum) + { + case SIGCHLD: + if (LLApp::sLogInSignal) + { + LL_INFOS() << "Signal handler - Got SIGCHLD from " << info->si_pid << LL_ENDL; + } - return; - case SIGABRT: + return; + case SIGABRT: // Note that this handler is not set for SIGABRT when using Bugsplat - // Abort just results in termination of the app, no funky error handling. - if (LLApp::sLogInSignal) - { - LL_WARNS() << "Signal handler - Got SIGABRT, terminating" << LL_ENDL; - } - clear_signals(); - raise(signum); - return; - case SIGINT: - case SIGHUP: - case SIGTERM: - if (LLApp::sLogInSignal) - { - LL_WARNS() << "Signal handler - Got SIGINT, HUP, or TERM, exiting gracefully" << LL_ENDL; - } - // Graceful exit - // Just set our state to quitting, not error - if (LLApp::isQuitting() || LLApp::isError()) - { - // We're already trying to die, just ignore this signal - if (LLApp::sLogInSignal) - { - LL_INFOS() << "Signal handler - Already trying to quit, ignoring signal!" << LL_ENDL; - } - return; - } - LLApp::setQuitting(); - return; - case SIGALRM: - case SIGPIPE: - case SIGUSR2: - default: - if (signum == LL_SMACKDOWN_SIGNAL || - signum == SIGBUS || - signum == SIGILL || - signum == SIGFPE || - signum == SIGSEGV || - signum == SIGQUIT) - { - if (signum == LL_SMACKDOWN_SIGNAL) - { - // Smackdown treated just like any other app termination, for now - if (LLApp::sLogInSignal) - { - LL_WARNS() << "Signal handler - Handling smackdown signal!" << LL_ENDL; - } - else - { - // Don't log anything, even errors - this is because this signal could happen anywhere. - LLError::setDefaultLevel(LLError::LEVEL_NONE); - } - - // Change the signal that we reraise to SIGABRT, so we generate a core dump. - signum = SIGABRT; - } - - if (LLApp::sLogInSignal) - { - LL_WARNS() << "Signal handler - Handling fatal signal!" << LL_ENDL; - } - if (LLApp::isError()) - { - // Received second fatal signal while handling first, just die right now - // Set the signal handlers back to default before handling the signal - this makes the next signal wipe out the app. - clear_signals(); - - if (LLApp::sLogInSignal) - { - LL_WARNS() << "Signal handler - Got another fatal signal while in the error handler, die now!" << LL_ENDL; - } - raise(signum); - return; - } - - if (LLApp::sLogInSignal) - { - LL_WARNS() << "Signal handler - Flagging error status and waiting for shutdown" << LL_ENDL; - } - - if (LLApp::isCrashloggerDisabled()) // Don't gracefully handle any signal, crash and core for a gdb post mortem - { - clear_signals(); - LL_WARNS() << "Fatal signal received, not handling the crash here, passing back to operating system" << LL_ENDL; - raise(signum); - return; - } - - // Flag status to ERROR - LLApp::setError(); - - if (LLApp::sLogInSignal) - { - LL_WARNS() << "Signal handler - App is stopped, reraising signal" << LL_ENDL; - } - clear_signals(); - raise(signum); - return; - } else { - if (LLApp::sLogInSignal) - { - LL_INFOS() << "Signal handler - Unhandled signal " << signum << ", ignoring!" << LL_ENDL; - } - } - } + // Abort just results in termination of the app, no funky error handling. + if (LLApp::sLogInSignal) + { + LL_WARNS() << "Signal handler - Got SIGABRT, terminating" << LL_ENDL; + } + clear_signals(); + raise(signum); + return; + case SIGINT: + case SIGHUP: + case SIGTERM: + if (LLApp::sLogInSignal) + { + LL_WARNS() << "Signal handler - Got SIGINT, HUP, or TERM, exiting gracefully" << LL_ENDL; + } + // Graceful exit + // Just set our state to quitting, not error + if (LLApp::isQuitting() || LLApp::isError()) + { + // We're already trying to die, just ignore this signal + if (LLApp::sLogInSignal) + { + LL_INFOS() << "Signal handler - Already trying to quit, ignoring signal!" << LL_ENDL; + } + return; + } + LLApp::setQuitting(); + return; + case SIGALRM: + case SIGPIPE: + case SIGUSR2: + default: + if (signum == LL_SMACKDOWN_SIGNAL || + signum == SIGBUS || + signum == SIGILL || + signum == SIGFPE || + signum == SIGSEGV || + signum == SIGQUIT) + { + if (signum == LL_SMACKDOWN_SIGNAL) + { + // Smackdown treated just like any other app termination, for now + if (LLApp::sLogInSignal) + { + LL_WARNS() << "Signal handler - Handling smackdown signal!" << LL_ENDL; + } + else + { + // Don't log anything, even errors - this is because this signal could happen anywhere. + LLError::setDefaultLevel(LLError::LEVEL_NONE); + } + + // Change the signal that we reraise to SIGABRT, so we generate a core dump. + signum = SIGABRT; + } + + if (LLApp::sLogInSignal) + { + LL_WARNS() << "Signal handler - Handling fatal signal!" << LL_ENDL; + } + if (LLApp::isError()) + { + // Received second fatal signal while handling first, just die right now + // Set the signal handlers back to default before handling the signal - this makes the next signal wipe out the app. + clear_signals(); + + if (LLApp::sLogInSignal) + { + LL_WARNS() << "Signal handler - Got another fatal signal while in the error handler, die now!" << LL_ENDL; + } + raise(signum); + return; + } + + if (LLApp::sLogInSignal) + { + LL_WARNS() << "Signal handler - Flagging error status and waiting for shutdown" << LL_ENDL; + } + + if (LLApp::isCrashloggerDisabled()) // Don't gracefully handle any signal, crash and core for a gdb post mortem + { + clear_signals(); + LL_WARNS() << "Fatal signal received, not handling the crash here, passing back to operating system" << LL_ENDL; + raise(signum); + return; + } + + // Flag status to ERROR + LLApp::setError(); + + if (LLApp::sLogInSignal) + { + LL_WARNS() << "Signal handler - App is stopped, reraising signal" << LL_ENDL; + } + clear_signals(); + raise(signum); + return; + } else { + if (LLApp::sLogInSignal) + { + LL_INFOS() << "Signal handler - Unhandled signal " << signum << ", ignoring!" << LL_ENDL; + } + } + } } #if LL_LINUX #endif bool unix_post_minidump_callback(const char *dump_dir, - const char *minidump_id, - void *context, bool succeeded) -{ - // Copy minidump file path into fixed buffer in the app instance to avoid - // heap allocations in a crash handler. - - // path format: <dump_dir>/<minidump_id>.dmp - auto dirPathLength = strlen(dump_dir); - auto idLength = strlen(minidump_id); - - // The path must not be truncated. - llassert((dirPathLength + idLength + 5) <= LLApp::MAX_MINDUMP_PATH_LENGTH); - - char * path = LLApp::instance()->getMiniDumpFilename(); - auto remaining = LLApp::MAX_MINDUMP_PATH_LENGTH; - strncpy(path, dump_dir, remaining); - remaining -= dirPathLength; - path += dirPathLength; - if (remaining > 0 && dirPathLength > 0 && path[-1] != '/') - { - *path++ = '/'; - --remaining; - } - if (remaining > 0) - { - strncpy(path, minidump_id, remaining); - remaining -= idLength; - path += idLength; - strncpy(path, ".dmp", remaining); - } - - LL_INFOS("CRASHREPORT") << "generated minidump: " << LLApp::instance()->getMiniDumpFilename() << LL_ENDL; - LLApp::runErrorHandler(); - + const char *minidump_id, + void *context, bool succeeded) +{ + // Copy minidump file path into fixed buffer in the app instance to avoid + // heap allocations in a crash handler. + + // path format: <dump_dir>/<minidump_id>.dmp + auto dirPathLength = strlen(dump_dir); + auto idLength = strlen(minidump_id); + + // The path must not be truncated. + llassert((dirPathLength + idLength + 5) <= LLApp::MAX_MINDUMP_PATH_LENGTH); + + char * path = LLApp::instance()->getMiniDumpFilename(); + auto remaining = LLApp::MAX_MINDUMP_PATH_LENGTH; + strncpy(path, dump_dir, remaining); + remaining -= dirPathLength; + path += dirPathLength; + if (remaining > 0 && dirPathLength > 0 && path[-1] != '/') + { + *path++ = '/'; + --remaining; + } + if (remaining > 0) + { + strncpy(path, minidump_id, remaining); + remaining -= idLength; + path += idLength; + strncpy(path, ".dmp", remaining); + } + + LL_INFOS("CRASHREPORT") << "generated minidump: " << LLApp::instance()->getMiniDumpFilename() << LL_ENDL; + LLApp::runErrorHandler(); + #ifndef LL_RELEASE_FOR_DOWNLOAD - clear_signals(); - return false; + clear_signals(); + return false; #else - return true; + return true; #endif } #endif // !WINDOWS |