diff options
author | Ansariel <ansariel.hiller@phoenixviewer.com> | 2024-05-22 19:04:52 +0200 |
---|---|---|
committer | Ansariel <ansariel.hiller@phoenixviewer.com> | 2024-05-22 19:04:52 +0200 |
commit | 1b67dd855c41f5a0cda7ec2a68d98071986ca703 (patch) | |
tree | ab243607f74f78200787bba5b9b88f07ef1b966f /indra/llcommon/llapp.cpp | |
parent | 6d6eabca44d08d5b97bfe3e941d2b9687c2246ea (diff) | |
parent | e1623bb276f83a43ce7a197e388720c05bdefe61 (diff) |
Merge remote-tracking branch 'origin/main' into DRTVWR-600-maint-A
# Conflicts:
# autobuild.xml
# indra/cmake/CMakeLists.txt
# indra/cmake/GoogleMock.cmake
# indra/llaudio/llaudioengine_fmodstudio.cpp
# indra/llaudio/llaudioengine_fmodstudio.h
# indra/llaudio/lllistener_fmodstudio.cpp
# indra/llaudio/lllistener_fmodstudio.h
# indra/llaudio/llstreamingaudio_fmodstudio.cpp
# indra/llaudio/llstreamingaudio_fmodstudio.h
# indra/llcharacter/llmultigesture.cpp
# indra/llcharacter/llmultigesture.h
# indra/llimage/llimage.cpp
# indra/llimage/llimagepng.cpp
# indra/llimage/llimageworker.cpp
# indra/llimage/tests/llimageworker_test.cpp
# indra/llmessage/tests/llmockhttpclient.h
# indra/llprimitive/llgltfmaterial.h
# indra/llrender/llfontfreetype.cpp
# indra/llui/llcombobox.cpp
# indra/llui/llfolderview.cpp
# indra/llui/llfolderviewmodel.h
# indra/llui/lllineeditor.cpp
# indra/llui/lllineeditor.h
# indra/llui/lltextbase.cpp
# indra/llui/lltextbase.h
# indra/llui/lltexteditor.cpp
# indra/llui/lltextvalidate.cpp
# indra/llui/lltextvalidate.h
# indra/llui/lluictrl.h
# indra/llui/llview.cpp
# indra/llwindow/llwindowmacosx.cpp
# indra/newview/app_settings/settings.xml
# indra/newview/llappearancemgr.cpp
# indra/newview/llappearancemgr.h
# indra/newview/llavatarpropertiesprocessor.cpp
# indra/newview/llavatarpropertiesprocessor.h
# indra/newview/llbreadcrumbview.cpp
# indra/newview/llbreadcrumbview.h
# indra/newview/llbreastmotion.cpp
# indra/newview/llbreastmotion.h
# indra/newview/llconversationmodel.h
# indra/newview/lldensityctrl.cpp
# indra/newview/lldensityctrl.h
# indra/newview/llface.inl
# indra/newview/llfloatereditsky.cpp
# indra/newview/llfloatereditwater.cpp
# indra/newview/llfloateremojipicker.h
# indra/newview/llfloaterimsessiontab.cpp
# indra/newview/llfloaterprofiletexture.cpp
# indra/newview/llfloaterprofiletexture.h
# indra/newview/llgesturemgr.cpp
# indra/newview/llgesturemgr.h
# indra/newview/llimpanel.cpp
# indra/newview/llimpanel.h
# indra/newview/llinventorybridge.cpp
# indra/newview/llinventorybridge.h
# indra/newview/llinventoryclipboard.cpp
# indra/newview/llinventoryclipboard.h
# indra/newview/llinventoryfunctions.cpp
# indra/newview/llinventoryfunctions.h
# indra/newview/llinventorygallery.cpp
# indra/newview/lllistbrowser.cpp
# indra/newview/lllistbrowser.h
# indra/newview/llpanelobjectinventory.cpp
# indra/newview/llpanelprofile.cpp
# indra/newview/llpanelprofile.h
# indra/newview/llpreviewgesture.cpp
# indra/newview/llsavedsettingsglue.cpp
# indra/newview/llsavedsettingsglue.h
# indra/newview/lltooldraganddrop.cpp
# indra/newview/llurllineeditorctrl.cpp
# indra/newview/llvectorperfoptions.cpp
# indra/newview/llvectorperfoptions.h
# indra/newview/llviewerparceloverlay.cpp
# indra/newview/llviewertexlayer.cpp
# indra/newview/llviewertexturelist.cpp
# indra/newview/macmain.h
# indra/test/test.cpp
Diffstat (limited to 'indra/llcommon/llapp.cpp')
-rw-r--r-- | indra/llcommon/llapp.cpp | 1492 |
1 files changed, 746 insertions, 746 deletions
diff --git a/indra/llcommon/llapp.cpp b/indra/llcommon/llapp.cpp index 2f41c039f2..b354a60bb0 100644 --- a/indra/llcommon/llapp.cpp +++ b/indra/llcommon/llapp.cpp @@ -1,746 +1,746 @@ -/** - * @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 - * $/LicenseInfo$ - */ - -#include "linden_common.h" - -#include "llapp.h" - -#include <cstdlib> - -#ifdef LL_DARWIN -#include <sys/types.h> -#include <unistd.h> -#include <sys/sysctl.h> -#endif - -#include "llcommon.h" -#include "llapr.h" -#include "llerrorcontrol.h" -#include "llframetimer.h" -#include "lllivefile.h" -#include "llmemory.h" -#include "llstl.h" // for DeletePointer() -#include "llstring.h" -#include "lleventtimer.h" -#include "stringize.h" -#include "llcleanup.h" -#include "llevents.h" -#include "llsdutil.h" - -// -// Signal handling -#ifndef LL_WINDOWS -# include <signal.h> -# include <unistd.h> // for fork() -void setup_signals(); -void default_unix_signal_handler(int signum, siginfo_t *info, void *); - -#if LL_LINUX -#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); -#endif - -# if LL_DARWIN -/* OSX doesn't support SIGRT* */ -S32 LL_SMACKDOWN_SIGNAL = SIGUSR1; -S32 LL_HEARTBEAT_SIGNAL = SIGUSR2; -# else // linux or (assumed) other similar unixoid -/* We want reliable delivery of our signals - SIGRT* is it. */ -/* Old LinuxThreads versions eat SIGRTMIN+0 to SIGRTMIN+2, avoid those. */ -/* Note that SIGRTMIN/SIGRTMAX may expand to a glibc function call with a - nonconstant result so these are not consts and cannot be used in constant- - expressions. SIGRTMAX may return -1 on rare broken setups. */ -S32 LL_SMACKDOWN_SIGNAL = (SIGRTMAX >= 0) ? (SIGRTMAX-1) : SIGUSR1; -S32 LL_HEARTBEAT_SIGNAL = (SIGRTMAX >= 0) ? (SIGRTMAX-0) : SIGUSR2; -# endif // LL_DARWIN -#endif // !LL_WINDOWS - -// the static application instance -LLApp* LLApp::sApplication = NULL; - -// Allows the generation of core files for post mortem under gdb -// and disables crashlogger -bool LLApp::sDisableCrashlogger = false; - -// Local flag for whether or not to do logging in signal handlers. -//static -bool LLApp::sLogInSignal = false; - -// static -// Keeps track of application status -LLScalarCond<LLApp::EAppStatus> LLApp::sStatus{LLApp::APP_STATUS_STOPPED}; -LLAppErrorHandler LLApp::sErrorHandler = NULL; - - -LLApp::LLApp() -{ - // Set our status to running - setStatus(APP_STATUS_RUNNING); - - 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); - } - - // 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; - - // 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(); - - setStopped(); - - SUBSYSTEM_CLEANUP_DBG(LLCommon); -} - -// static -LLApp* LLApp::instance() -{ - 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; -} - -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]); - -#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); - } -#endif - - 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; - -#if LL_WINDOWS - name.assign(utf16str_to_utf8str(&wargv[ii][offset])); -#else - 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 LL_WINDOWS - value.assign(utf16str_to_utf8str((wargv[ii]))); -#else - 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); - } -#endif - - 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); -} - -bool LLApp::setOptionData(OptionPriority level, LLSD data) -{ - 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]; -} - -void LLApp::stepFrame() -{ - LLFrameTimer::updateFrameTime(); - LLFrameTimer::updateFrameCount(); - LLEventTimer::updateClass(); - mRunner.run(); -} - -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. - -#if LL_WINDOWS - -#else // ! LL_WINDOWS - -#if ! defined(LL_BUGSPLAT) - // - // Start up signal handling. - // - // There are two different classes of signals. Synchronous signals are delivered to a specific - // thread, asynchronous signals can be delivered to any thread (in theory) - // - setup_signals(); -#endif // ! LL_BUGSPLAT - -#endif // ! LL_WINDOWS -} - -void LLApp::setErrorHandler(LLAppErrorHandler handler) -{ - LLApp::sErrorHandler = handler; -} - -// static -void LLApp::runErrorHandler() -{ - if (LLApp::sErrorHandler) - { - LLApp::sErrorHandler(); - } - - //LL_INFOS() << "App status now STOPPED" << LL_ENDL; - LLApp::setStopped(); -} - -namespace -{ - -static std::map<LLApp::EAppStatus, const char*> statusDesc -{ - { LLApp::APP_STATUS_RUNNING, "running" }, - { LLApp::APP_STATUS_QUITTING, "quitting" }, - { LLApp::APP_STATUS_STOPPED, "stopped" }, - { LLApp::APP_STATUS_ERROR, "error" } -}; - -} // anonymous namespace - -// static -void LLApp::setStatus(EAppStatus status) -{ - // notify everyone waiting on sStatus any time its value changes - sStatus.set_all(status); - - // This can also happen very late in the application lifecycle -- don't - // resurrect a deleted LLSingleton - if (! LLEventPumps::wasDeleted()) - { - // notify interested parties of status change - LLSD statsd; - auto found = statusDesc.find(status); - if (found != statusDesc.end()) - { - statsd = found->second; - } - else - { - // unknown status? at least report value - statsd = LLSD::Integer(status); - } - LLEventPumps::instance().obtain("LLApp").post(llsd::map("status", statsd)); - } -} - - -// static -void LLApp::setError() -{ - // 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"; -} - -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); - } -} - - -// static -void LLApp::setStopped() -{ - setStatus(APP_STATUS_STOPPED); -} - - -// static -bool LLApp::isStopped() -{ - return (APP_STATUS_STOPPED == sStatus.get()); -} - - -// static -bool LLApp::isRunning() -{ - return (APP_STATUS_RUNNING == sStatus.get()); -} - - -// static -bool LLApp::isError() -{ - return (APP_STATUS_ERROR == sStatus.get()); -} - - -// static -bool LLApp::isQuitting() -{ - return (APP_STATUS_QUITTING == sStatus.get()); -} - -// static -bool LLApp::isExiting() -{ - return isQuitting() || isError(); -} - -void LLApp::disableCrashlogger() -{ - sDisableCrashlogger = true; -} - -// static -bool LLApp::isCrashloggerDisabled() -{ - return sDisableCrashlogger; -} - -// static -int LLApp::getPid() -{ -#if LL_WINDOWS - return GetCurrentProcessId(); -#else - return getpid(); -#endif -} - -#ifndef 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; - - // Synchronous signals -# ifndef LL_BUGSPLAT - 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 -#ifndef LL_IGNORE_SIGCHLD - sigaction(SIGCHLD, &act, NULL); -#endif // LL_IGNORE_SIGCHLD - 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 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; - - // Synchronous signals -# ifndef LL_BUGSPLAT - 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 -#ifndef LL_IGNORE_SIGCHLD - 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 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. - - 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; - } - - 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; - } - } - } -} - -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(); - -#ifndef LL_RELEASE_FOR_DOWNLOAD - clear_signals(); - return false; -#else - return true; -#endif -} -#endif // !WINDOWS - +/**
+ * @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
+ * $/LicenseInfo$
+ */
+
+#include "linden_common.h"
+
+#include "llapp.h"
+
+#include <cstdlib>
+
+#ifdef LL_DARWIN
+#include <sys/types.h>
+#include <unistd.h>
+#include <sys/sysctl.h>
+#endif
+
+#include "llcommon.h"
+#include "llapr.h"
+#include "llerrorcontrol.h"
+#include "llframetimer.h"
+#include "lllivefile.h"
+#include "llmemory.h"
+#include "llstl.h" // for DeletePointer()
+#include "llstring.h"
+#include "lleventtimer.h"
+#include "stringize.h"
+#include "llcleanup.h"
+#include "llevents.h"
+#include "llsdutil.h"
+
+//
+// Signal handling
+#ifndef LL_WINDOWS
+# include <signal.h>
+# include <unistd.h> // for fork()
+void setup_signals();
+void default_unix_signal_handler(int signum, siginfo_t *info, void *);
+
+#if LL_LINUX
+#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);
+#endif
+
+# if LL_DARWIN
+/* OSX doesn't support SIGRT* */
+S32 LL_SMACKDOWN_SIGNAL = SIGUSR1;
+S32 LL_HEARTBEAT_SIGNAL = SIGUSR2;
+# else // linux or (assumed) other similar unixoid
+/* We want reliable delivery of our signals - SIGRT* is it. */
+/* Old LinuxThreads versions eat SIGRTMIN+0 to SIGRTMIN+2, avoid those. */
+/* Note that SIGRTMIN/SIGRTMAX may expand to a glibc function call with a
+ nonconstant result so these are not consts and cannot be used in constant-
+ expressions. SIGRTMAX may return -1 on rare broken setups. */
+S32 LL_SMACKDOWN_SIGNAL = (SIGRTMAX >= 0) ? (SIGRTMAX-1) : SIGUSR1;
+S32 LL_HEARTBEAT_SIGNAL = (SIGRTMAX >= 0) ? (SIGRTMAX-0) : SIGUSR2;
+# endif // LL_DARWIN
+#endif // !LL_WINDOWS
+
+// the static application instance
+LLApp* LLApp::sApplication = NULL;
+
+// Allows the generation of core files for post mortem under gdb
+// and disables crashlogger
+bool LLApp::sDisableCrashlogger = false;
+
+// Local flag for whether or not to do logging in signal handlers.
+//static
+bool LLApp::sLogInSignal = false;
+
+// static
+// Keeps track of application status
+LLScalarCond<LLApp::EAppStatus> LLApp::sStatus{LLApp::APP_STATUS_STOPPED};
+LLAppErrorHandler LLApp::sErrorHandler = NULL;
+
+
+LLApp::LLApp()
+{
+ // Set our status to running
+ setStatus(APP_STATUS_RUNNING);
+
+ 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);
+ }
+
+ // 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;
+
+ // 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();
+
+ setStopped();
+
+ SUBSYSTEM_CLEANUP_DBG(LLCommon);
+}
+
+// static
+LLApp* LLApp::instance()
+{
+ 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;
+}
+
+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]);
+
+#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);
+ }
+#endif
+
+ 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;
+
+#if LL_WINDOWS
+ name.assign(utf16str_to_utf8str(&wargv[ii][offset]));
+#else
+ 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 LL_WINDOWS
+ value.assign(utf16str_to_utf8str((wargv[ii])));
+#else
+ 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);
+ }
+#endif
+
+ 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);
+}
+
+bool LLApp::setOptionData(OptionPriority level, LLSD data)
+{
+ 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];
+}
+
+void LLApp::stepFrame()
+{
+ LLFrameTimer::updateFrameTime();
+ LLFrameTimer::updateFrameCount();
+ LLEventTimer::updateClass();
+ mRunner.run();
+}
+
+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.
+
+#if LL_WINDOWS
+
+#else // ! LL_WINDOWS
+
+#if ! defined(LL_BUGSPLAT)
+ //
+ // Start up signal handling.
+ //
+ // There are two different classes of signals. Synchronous signals are delivered to a specific
+ // thread, asynchronous signals can be delivered to any thread (in theory)
+ //
+ setup_signals();
+#endif // ! LL_BUGSPLAT
+
+#endif // ! LL_WINDOWS
+}
+
+void LLApp::setErrorHandler(LLAppErrorHandler handler)
+{
+ LLApp::sErrorHandler = handler;
+}
+
+// static
+void LLApp::runErrorHandler()
+{
+ if (LLApp::sErrorHandler)
+ {
+ LLApp::sErrorHandler();
+ }
+
+ //LL_INFOS() << "App status now STOPPED" << LL_ENDL;
+ LLApp::setStopped();
+}
+
+namespace
+{
+
+static std::map<LLApp::EAppStatus, const char*> statusDesc
+{
+ { LLApp::APP_STATUS_RUNNING, "running" },
+ { LLApp::APP_STATUS_QUITTING, "quitting" },
+ { LLApp::APP_STATUS_STOPPED, "stopped" },
+ { LLApp::APP_STATUS_ERROR, "error" }
+};
+
+} // anonymous namespace
+
+// static
+void LLApp::setStatus(EAppStatus status)
+{
+ // notify everyone waiting on sStatus any time its value changes
+ sStatus.set_all(status);
+
+ // This can also happen very late in the application lifecycle -- don't
+ // resurrect a deleted LLSingleton
+ if (! LLEventPumps::wasDeleted())
+ {
+ // notify interested parties of status change
+ LLSD statsd;
+ auto found = statusDesc.find(status);
+ if (found != statusDesc.end())
+ {
+ statsd = found->second;
+ }
+ else
+ {
+ // unknown status? at least report value
+ statsd = LLSD::Integer(status);
+ }
+ LLEventPumps::instance().obtain("LLApp").post(llsd::map("status", statsd));
+ }
+}
+
+
+// static
+void LLApp::setError()
+{
+ // 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";
+}
+
+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);
+ }
+}
+
+
+// static
+void LLApp::setStopped()
+{
+ setStatus(APP_STATUS_STOPPED);
+}
+
+
+// static
+bool LLApp::isStopped()
+{
+ return (APP_STATUS_STOPPED == sStatus.get());
+}
+
+
+// static
+bool LLApp::isRunning()
+{
+ return (APP_STATUS_RUNNING == sStatus.get());
+}
+
+
+// static
+bool LLApp::isError()
+{
+ return (APP_STATUS_ERROR == sStatus.get());
+}
+
+
+// static
+bool LLApp::isQuitting()
+{
+ return (APP_STATUS_QUITTING == sStatus.get());
+}
+
+// static
+bool LLApp::isExiting()
+{
+ return isQuitting() || isError();
+}
+
+void LLApp::disableCrashlogger()
+{
+ sDisableCrashlogger = true;
+}
+
+// static
+bool LLApp::isCrashloggerDisabled()
+{
+ return sDisableCrashlogger;
+}
+
+// static
+int LLApp::getPid()
+{
+#if LL_WINDOWS
+ return GetCurrentProcessId();
+#else
+ return getpid();
+#endif
+}
+
+#ifndef 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;
+
+ // Synchronous signals
+# ifndef LL_BUGSPLAT
+ 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
+#ifndef LL_IGNORE_SIGCHLD
+ sigaction(SIGCHLD, &act, NULL);
+#endif // LL_IGNORE_SIGCHLD
+ 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 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;
+
+ // Synchronous signals
+# ifndef LL_BUGSPLAT
+ 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
+#ifndef LL_IGNORE_SIGCHLD
+ 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 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.
+
+ 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;
+ }
+
+ 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;
+ }
+ }
+ }
+}
+
+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();
+
+#ifndef LL_RELEASE_FOR_DOWNLOAD
+ clear_signals();
+ return false;
+#else
+ return true;
+#endif
+}
+#endif // !WINDOWS
+
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