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-rwxr-xr-xindra/llcommon/llapp.cpp304
1 files changed, 169 insertions, 135 deletions
diff --git a/indra/llcommon/llapp.cpp b/indra/llcommon/llapp.cpp
index 67a98d5fb8..5a40845e7d 100755
--- a/indra/llcommon/llapp.cpp
+++ b/indra/llcommon/llapp.cpp
@@ -46,8 +46,8 @@
#include "llstl.h" // for DeletePointer()
#include "llstring.h"
#include "lleventtimer.h"
-
#include "google_breakpad/exception_handler.h"
+#include "stringize.h"
//
// Signal handling
@@ -55,6 +55,8 @@
// Windows uses structured exceptions, so it's handled a bit differently.
//
#if LL_WINDOWS
+#include "windows.h"
+
LONG WINAPI default_windows_exception_handler(struct _EXCEPTION_POINTERS *exception_infop);
BOOL ConsoleCtrlHandler(DWORD fdwCtrlType);
bool windows_post_minidump_callback(const wchar_t* dump_path,
@@ -71,7 +73,9 @@ void default_unix_signal_handler(int signum, siginfo_t *info, void *);
#if LL_LINUX
#include "google_breakpad/minidump_descriptor.h"
-bool unix_minidump_callback(const google_breakpad::MinidumpDescriptor& minidump_desc, void* context, bool succeeded);
+static bool unix_minidump_callback(const google_breakpad::MinidumpDescriptor& minidump_desc,
+ void* context,
+ bool succeeded);
#else
// Called by breakpad exception handler after the minidump has been generated.
bool unix_post_minidump_callback(const char *dump_dir,
@@ -109,11 +113,6 @@ BOOL LLApp::sLogInSignal = FALSE;
LLApp::EAppStatus LLApp::sStatus = LLApp::APP_STATUS_STOPPED; // Keeps track of application status
LLAppErrorHandler LLApp::sErrorHandler = NULL;
BOOL LLApp::sErrorThreadRunning = FALSE;
-#if !LL_WINDOWS
-LLApp::child_map LLApp::sChildMap;
-LLAtomicU32* LLApp::sSigChildCount = NULL;
-LLAppChildCallback LLApp::sDefaultChildCallback = NULL;
-#endif
LLApp::LLApp() : mThreadErrorp(NULL)
@@ -128,11 +127,6 @@ void LLApp::commonCtor()
LLCommon::initClass();
-#if !LL_WINDOWS
- // This must be initialized before the error handler.
- sSigChildCount = new LLAtomicU32(0);
-#endif
-
// 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.
@@ -149,12 +143,13 @@ void LLApp::commonCtor()
// Set the application to this instance.
sApplication = this;
-
+
mExceptionHandler = 0;
// initialize the buffer to write the minidump filename to
// (this is used to avoid allocating memory in the crash handler)
- memset(minidump_path, 0, MAX_MINDUMP_PATH_LENGTH);
+ memset(mMinidumpPath, 0, MAX_MINDUMP_PATH_LENGTH);
+ mCrashReportPipeStr = L"\\\\.\\pipe\\LLCrashReporterPipe";
}
LLApp::LLApp(LLErrorThread *error_thread) :
@@ -166,10 +161,6 @@ LLApp::LLApp(LLErrorThread *error_thread) :
LLApp::~LLApp()
{
-#if !LL_WINDOWS
- delete sSigChildCount;
- sSigChildCount = NULL;
-#endif
// reclaim live file memory
std::for_each(mLiveFiles.begin(), mLiveFiles.end(), DeletePointer());
@@ -218,8 +209,8 @@ bool LLApp::parseCommandOptions(int argc, char** argv)
{
if(argv[ii][0] != '-')
{
- llinfos << "Did not find option identifier while parsing token: "
- << argv[ii] << llendl;
+ LL_INFOS() << "Did not find option identifier while parsing token: "
+ << argv[ii] << LL_ENDL;
return false;
}
int offset = 1;
@@ -244,6 +235,20 @@ bool LLApp::parseCommandOptions(int argc, char** argv)
}
++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);
@@ -288,14 +293,43 @@ void LLApp::stepFrame()
mRunner.run();
}
+#if LL_WINDOWS
+//The following code is needed for 32-bit apps on 64-bit windows to keep it from eating
+//crashes. It is a lovely undocumented 'feature' in SP1 of Windows 7. An excellent
+//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);
+ }
+ }
+}
+#endif
-void LLApp::setupErrorHandling()
+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
+
#if LL_SEND_CRASH_REPORTS
+ EnableCrashingOnCrashes();
+
// This sets a callback to handle w32 signals to the console window.
// The viewer shouldn't be affected, sicne its a windowed app.
SetConsoleCtrlHandler( (PHANDLER_ROUTINE) ConsoleCtrlHandler, TRUE);
@@ -303,9 +337,57 @@ void LLApp::setupErrorHandling()
// Install the Google Breakpad crash handler for Windows
if(mExceptionHandler == 0)
{
- llwarns << "adding breakpad exception handler" << llendl;
- mExceptionHandler = new google_breakpad::ExceptionHandler(
- L"C:\\Temp\\", 0, windows_post_minidump_callback, 0, google_breakpad::ExceptionHandler::HANDLER_ALL);
+ if ( second_instance ) //BUG-5707 Firing teleport from a web browser causes second
+ {
+ mExceptionHandler = new google_breakpad::ExceptionHandler(
+ L"C:\\Temp\\",
+ 0, //No filter
+ windows_post_minidump_callback,
+ 0,
+ google_breakpad::ExceptionHandler::HANDLER_ALL); //No custom client info.
+ }
+ else
+ {
+ LL_WARNS() << "adding breakpad exception handler" << LL_ENDL;
+
+ std::wstring wpipe_name;
+ wpipe_name = mCrashReportPipeStr + wstringize(getPid());
+
+ const std::wstring wdump_path(wstringize(mDumpPath));
+
+ int retries = 30;
+ for (; retries > 0; --retries)
+ {
+ if (mExceptionHandler != 0) delete mExceptionHandler;
+
+ mExceptionHandler = new google_breakpad::ExceptionHandler(
+ wdump_path,
+ NULL, //No filter
+ windows_post_minidump_callback,
+ 0,
+ google_breakpad::ExceptionHandler::HANDLER_ALL,
+ MiniDumpNormal, //Generate a 'normal' minidump.
+ wpipe_name.c_str(),
+ NULL); //No custom client info.
+ if (mExceptionHandler->IsOutOfProcess())
+ {
+ LL_INFOS("CRASHREPORT") << "Successfully attached to Out of Process exception handler." << LL_ENDL;
+ break;
+ }
+ else
+ {
+ LL_WARNS("CRASHREPORT") << "Unable to attach to Out of Process exception handler. " << retries << " retries remaining." << LL_ENDL;
+ ::Sleep(100); //Wait a tick and try again.
+ }
+ }
+
+ if (retries == 0) LL_WARNS("CRASHREPORT") << "Unable to attach to Out of Process exception handler." << LL_ENDL;
+ }
+
+ if (mExceptionHandler)
+ {
+ mExceptionHandler->set_handle_debug_exceptions(true);
+ }
}
#endif
#else
@@ -355,14 +437,17 @@ void LLApp::setupErrorHandling()
if(installHandler && (mExceptionHandler == 0))
{
- std::string dumpPath = "/tmp/";
- mExceptionHandler = new google_breakpad::ExceptionHandler(dumpPath, 0, &unix_post_minidump_callback, 0, true, 0);
+ mExceptionHandler = new google_breakpad::ExceptionHandler(mDumpPath, 0, &unix_post_minidump_callback, 0, true, 0);
}
#elif LL_LINUX
if(installHandler && (mExceptionHandler == 0))
{
- google_breakpad::MinidumpDescriptor desc("/tmp");
- new google_breakpad::ExceptionHandler(desc, 0, &unix_minidump_callback, 0, true, 0);
+ if (mDumpPath.empty())
+ {
+ mDumpPath = "/tmp";
+ }
+ google_breakpad::MinidumpDescriptor desc(mDumpPath);
+ mExceptionHandler = new google_breakpad::ExceptionHandler(desc, NULL, unix_minidump_callback, NULL, true, -1);
}
#endif
@@ -378,7 +463,7 @@ void LLApp::startErrorThread()
//
if(!mThreadErrorp)
{
- llinfos << "Starting error thread" << llendl;
+ LL_INFOS() << "Starting error thread" << LL_ENDL;
mThreadErrorp = new LLErrorThread();
mThreadErrorp->setUserData((void *) this);
mThreadErrorp->start();
@@ -398,7 +483,7 @@ void LLApp::runErrorHandler()
LLApp::sErrorHandler();
}
- //llinfos << "App status now STOPPED" << llendl;
+ //LL_INFOS() << "App status now STOPPED" << LL_ENDL;
LLApp::setStopped();
}
@@ -418,19 +503,35 @@ void LLApp::setError()
void LLApp::setMiniDumpDir(const std::string &path)
{
+ if (path.empty())
+ {
+ mDumpPath = "/tmp";
+ }
+ else
+ {
+ mDumpPath = path;
+ }
+
if(mExceptionHandler == 0) return;
#ifdef LL_WINDOWS
wchar_t buffer[MAX_MINDUMP_PATH_LENGTH];
- mbstowcs(buffer, path.c_str(), MAX_MINDUMP_PATH_LENGTH);
+ mbstowcs(buffer, mDumpPath.c_str(), MAX_MINDUMP_PATH_LENGTH);
mExceptionHandler->set_dump_path(std::wstring(buffer));
#elif LL_LINUX
- google_breakpad::MinidumpDescriptor desc(path);
+ //google_breakpad::MinidumpDescriptor desc("/tmp"); //path works in debug fails in production inside breakpad lib so linux gets a little less stack reporting until it is patched.
+ google_breakpad::MinidumpDescriptor desc(mDumpPath); //path works in debug fails in production inside breakpad lib so linux gets a little less stack reporting until it is patched.
mExceptionHandler->set_minidump_descriptor(desc);
#else
- mExceptionHandler->set_dump_path(path);
+ mExceptionHandler->set_dump_path(mDumpPath);
#endif
}
+void LLApp::setDebugFileNames(const std::string &path)
+{
+ mStaticDebugFileName = path + "static_debug_info.log";
+ mDynamicDebugFileName = path + "dynamic_debug_info.log";
+}
+
void LLApp::writeMiniDump()
{
if(mExceptionHandler == 0) return;
@@ -443,7 +544,7 @@ void LLApp::setQuitting()
if (!isExiting())
{
// If we're already exiting, we don't want to reset our state back to quitting.
- llinfos << "Setting app state to QUITTING" << llendl;
+ LL_INFOS() << "Setting app state to QUITTING" << LL_ENDL;
setStatus(APP_STATUS_QUITTING);
}
}
@@ -507,34 +608,11 @@ bool LLApp::isCrashloggerDisabled()
return (sDisableCrashlogger == TRUE);
}
-#if !LL_WINDOWS
-// static
-U32 LLApp::getSigChildCount()
-{
- if (sSigChildCount)
- {
- return U32(*sSigChildCount);
- }
- return 0;
-}
-
-// static
-void LLApp::incSigChildCount()
-{
- if (sSigChildCount)
- {
- (*sSigChildCount)++;
- }
-}
-
-#endif
-
-
// static
int LLApp::getPid()
{
#if LL_WINDOWS
- return 0;
+ return GetCurrentProcessId();
#else
return getpid();
#endif
@@ -551,7 +629,7 @@ LONG WINAPI default_windows_exception_handler(struct _EXCEPTION_POINTERS *except
if (LLApp::isError())
{
- llwarns << "Got another fatal signal while in the error handler, die now!" << llendl;
+ LL_WARNS() << "Got another fatal signal while in the error handler, die now!" << LL_ENDL;
retval = EXCEPTION_EXECUTE_HANDLER;
return retval;
}
@@ -597,7 +675,7 @@ BOOL ConsoleCtrlHandler(DWORD fdwCtrlType)
// We're already trying to die, just ignore this signal
if (LLApp::sLogInSignal)
{
- llinfos << "Signal handler - Already trying to quit, ignoring signal!" << llendl;
+ LL_INFOS() << "Signal handler - Already trying to quit, ignoring signal!" << LL_ENDL;
}
return TRUE;
}
@@ -610,43 +688,6 @@ BOOL ConsoleCtrlHandler(DWORD fdwCtrlType)
}
#else //!LL_WINDOWS
-void LLApp::setChildCallback(pid_t pid, LLAppChildCallback callback)
-{
- LLChildInfo child_info;
- child_info.mCallback = callback;
- LLApp::sChildMap[pid] = child_info;
-}
-
-void LLApp::setDefaultChildCallback(LLAppChildCallback callback)
-{
- LLApp::sDefaultChildCallback = callback;
-}
-
-pid_t LLApp::fork()
-{
- fflush(NULL); // flush all buffers before the child inherits them
- pid_t pid = ::fork();
- if( pid < 0 )
- {
- int system_error = errno;
- llwarns << "Unable to fork! Operating system error code: "
- << system_error << llendl;
- }
- else if (pid == 0)
- {
- // Sleep a bit to allow the parent to set up child callbacks.
- ms_sleep(10);
-
- // We need to disable signal handling, because we don't have a
- // signal handling thread anymore.
- setupErrorHandling();
- }
- else
- {
- llinfos << "Forked child process " << pid << llendl;
- }
- return pid;
-}
void setup_signals()
{
@@ -735,7 +776,7 @@ void default_unix_signal_handler(int signum, siginfo_t *info, void *)
if (LLApp::sLogInSignal)
{
- llinfos << "Signal handler - Got signal " << signum << " - " << apr_signal_description_get(signum) << llendl;
+ LL_INFOS() << "Signal handler - Got signal " << signum << " - " << apr_signal_description_get(signum) << LL_ENDL;
}
@@ -744,28 +785,15 @@ void default_unix_signal_handler(int signum, siginfo_t *info, void *)
case SIGCHLD:
if (LLApp::sLogInSignal)
{
- llinfos << "Signal handler - Got SIGCHLD from " << info->si_pid << llendl;
- }
-
- // Check result code for all child procs for which we've
- // registered callbacks THIS WILL NOT WORK IF SIGCHLD IS SENT
- // w/o killing the child (Go, launcher!)
- // TODO: Now that we're using SIGACTION, we can actually
- // implement the launcher behavior to determine who sent the
- // SIGCHLD even if it doesn't result in child termination
- if (LLApp::sChildMap.count(info->si_pid))
- {
- LLApp::sChildMap[info->si_pid].mGotSigChild = TRUE;
+ LL_INFOS() << "Signal handler - Got SIGCHLD from " << info->si_pid << LL_ENDL;
}
-
- LLApp::incSigChildCount();
return;
case SIGABRT:
// Abort just results in termination of the app, no funky error handling.
if (LLApp::sLogInSignal)
{
- llwarns << "Signal handler - Got SIGABRT, terminating" << llendl;
+ LL_WARNS() << "Signal handler - Got SIGABRT, terminating" << LL_ENDL;
}
clear_signals();
raise(signum);
@@ -775,7 +803,7 @@ void default_unix_signal_handler(int signum, siginfo_t *info, void *)
case SIGTERM:
if (LLApp::sLogInSignal)
{
- llwarns << "Signal handler - Got SIGINT, HUP, or TERM, exiting gracefully" << llendl;
+ LL_WARNS() << "Signal handler - Got SIGINT, HUP, or TERM, exiting gracefully" << LL_ENDL;
}
// Graceful exit
// Just set our state to quitting, not error
@@ -784,7 +812,7 @@ void default_unix_signal_handler(int signum, siginfo_t *info, void *)
// We're already trying to die, just ignore this signal
if (LLApp::sLogInSignal)
{
- llinfos << "Signal handler - Already trying to quit, ignoring signal!" << llendl;
+ LL_INFOS() << "Signal handler - Already trying to quit, ignoring signal!" << LL_ENDL;
}
return;
}
@@ -806,7 +834,7 @@ void default_unix_signal_handler(int signum, siginfo_t *info, void *)
// Smackdown treated just like any other app termination, for now
if (LLApp::sLogInSignal)
{
- llwarns << "Signal handler - Handling smackdown signal!" << llendl;
+ LL_WARNS() << "Signal handler - Handling smackdown signal!" << LL_ENDL;
}
else
{
@@ -820,7 +848,7 @@ void default_unix_signal_handler(int signum, siginfo_t *info, void *)
if (LLApp::sLogInSignal)
{
- llwarns << "Signal handler - Handling fatal signal!" << llendl;
+ LL_WARNS() << "Signal handler - Handling fatal signal!" << LL_ENDL;
}
if (LLApp::isError())
{
@@ -830,7 +858,7 @@ void default_unix_signal_handler(int signum, siginfo_t *info, void *)
if (LLApp::sLogInSignal)
{
- llwarns << "Signal handler - Got another fatal signal while in the error handler, die now!" << llendl;
+ LL_WARNS() << "Signal handler - Got another fatal signal while in the error handler, die now!" << LL_ENDL;
}
raise(signum);
return;
@@ -838,13 +866,13 @@ void default_unix_signal_handler(int signum, siginfo_t *info, void *)
if (LLApp::sLogInSignal)
{
- llwarns << "Signal handler - Flagging error status and waiting for shutdown" << llendl;
+ 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();
- llwarns << "Fatal signal received, not handling the crash here, passing back to operating system" << llendl;
+ LL_WARNS() << "Fatal signal received, not handling the crash here, passing back to operating system" << LL_ENDL;
raise(signum);
return;
}
@@ -859,7 +887,7 @@ void default_unix_signal_handler(int signum, siginfo_t *info, void *)
if (LLApp::sLogInSignal)
{
- llwarns << "Signal handler - App is stopped, reraising signal" << llendl;
+ LL_WARNS() << "Signal handler - App is stopped, reraising signal" << LL_ENDL;
}
clear_signals();
raise(signum);
@@ -867,7 +895,7 @@ void default_unix_signal_handler(int signum, siginfo_t *info, void *)
} else {
if (LLApp::sLogInSignal)
{
- llinfos << "Signal handler - Unhandled signal " << signum << ", ignoring!" << llendl;
+ LL_INFOS() << "Signal handler - Unhandled signal " << signum << ", ignoring!" << LL_ENDL;
}
}
}
@@ -880,23 +908,28 @@ bool unix_minidump_callback(const google_breakpad::MinidumpDescriptor& minidump_
// heap allocations in a crash handler.
// path format: <dump_dir>/<minidump_id>.dmp
- int dirPathLength = strlen(minidump_desc.path());
+
+ //HACK: *path points to the buffer in getMiniDumpFilename which has already allocated space
+ //to avoid doing allocation during crash.
+ char * path = LLApp::instance()->getMiniDumpFilename();
+ int dir_path_len = strlen(path);
// The path must not be truncated.
- llassert((dirPathLength + 5) <= LLApp::MAX_MINDUMP_PATH_LENGTH);
+ S32 remaining = LLApp::MAX_MINDUMP_PATH_LENGTH - dir_path_len;
+
+ llassert( (remaining - strlen(minidump_desc.path())) > 5);
- char * path = LLApp::instance()->getMiniDumpFilename();
- S32 remaining = LLApp::MAX_MINDUMP_PATH_LENGTH;
- strncpy(path, minidump_desc.path(), remaining);
- remaining -= dirPathLength;
- path += dirPathLength;
- if (remaining > 0 && dirPathLength > 0 && path[-1] != '/')
+ path += dir_path_len;
+
+ if (dir_path_len > 0 && path[-1] != '/')
{
*path++ = '/';
--remaining;
}
+
+ strncpy(path, minidump_desc.path(), remaining);
- llinfos << "generated minidump: " << LLApp::instance()->getMiniDumpFilename() << llendl;
+ LL_INFOS() << "generated minidump: " << LLApp::instance()->getMiniDumpFilename() << LL_ENDL;
LLApp::runErrorHandler();
#ifndef LL_RELEASE_FOR_DOWNLOAD
@@ -942,7 +975,7 @@ bool unix_post_minidump_callback(const char *dump_dir,
strncpy(path, ".dmp", remaining);
}
- llinfos << "generated minidump: " << LLApp::instance()->getMiniDumpFilename() << llendl;
+ LL_INFOS() << "generated minidump: " << LLApp::instance()->getMiniDumpFilename() << LL_ENDL;
LLApp::runErrorHandler();
#ifndef LL_RELEASE_FOR_DOWNLOAD
@@ -966,6 +999,7 @@ bool windows_post_minidump_callback(const wchar_t* dump_path,
S32 remaining = LLApp::MAX_MINDUMP_PATH_LENGTH;
size_t bytesUsed;
+ LL_INFOS("MINIDUMPCALLBACK") << "Dump file was generated." << LL_ENDL;
bytesUsed = wcstombs(path, dump_path, static_cast<size_t>(remaining));
remaining -= bytesUsed;
path += bytesUsed;
@@ -985,16 +1019,16 @@ bool windows_post_minidump_callback(const wchar_t* dump_path,
strncpy(path, ".dmp", remaining);
}
- llinfos << "generated minidump: " << LLApp::instance()->getMiniDumpFilename() << llendl;
+ LL_INFOS() << "generated minidump: " << LLApp::instance()->getMiniDumpFilename() << LL_ENDL;
// *NOTE:Mani - this code is stolen from LLApp, where its never actually used.
//OSMessageBox("Attach Debugger Now", "Error", OSMB_OK);
// *TODO: Translate the signals/exceptions into cross-platform stuff
// Windows implementation
- llinfos << "Entering Windows Exception Handler..." << llendl;
+ LL_INFOS() << "Entering Windows Exception Handler..." << LL_ENDL;
if (LLApp::isError())
{
- llwarns << "Got another fatal signal while in the error handler, die now!" << llendl;
+ LL_WARNS() << "Got another fatal signal while in the error handler, die now!" << LL_ENDL;
}
// Flag status to error, so thread_error starts its work
generated by cgit v1.2.3 (git 2.25.1) at 2025-02-10 13:23:21 +0000