diff options
author | Ansariel <ansariel.hiller@phoenixviewer.com> | 2024-05-22 21:25:21 +0200 |
---|---|---|
committer | Andrey Lihatskiy <alihatskiy@productengine.com> | 2024-05-22 22:40:26 +0300 |
commit | e2e37cced861b98de8c1a7c9c0d3a50d2d90e433 (patch) | |
tree | 1bb897489ce524986f6196201c10ac0d8861aa5f /indra/llcommon/llapp.cpp | |
parent | 069ea06848f766466f1a281144c82a0f2bd79f3a (diff) |
Fix line endlings
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 b354a60bb0..1388e81656 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 + |