static bool openDumpFile(JNIEnv* env, jobject obj, jstring coreFileName) {
// open the dump file
jboolean isCopy;
const char* buf = env->GetStringUTFChars(coreFileName, &isCopy);
CHECK_EXCEPTION_(false);
AutoJavaString coreFile(env, coreFileName, buf);
if (setImageAndSymbolPath(env, obj) == false) {
return false;
}
IDebugClient* ptrIDebugClient = (IDebugClient*) env->GetLongField(obj,
ptrIDebugClient_ID);
CHECK_EXCEPTION_(false);
if (ptrIDebugClient->OpenDumpFile(coreFile) != S_OK) {
THROW_NEW_DEBUGGER_EXCEPTION_("Windbg Error: OpenDumpFile failed!", false);
}
IDebugControl* ptrIDebugControl = (IDebugControl*) env->GetLongField(obj,
ptrIDebugControl_ID);
CHECK_EXCEPTION_(false);
if (ptrIDebugControl->WaitForEvent(DEBUG_WAIT_DEFAULT, INFINITE) != S_OK) {
THROW_NEW_DEBUGGER_EXCEPTION_("Windbg Error: WaitForEvent failed!", false);
}
return true;
}
void ServerThread::maybeSendBacktrace()
{
QFile coreFile("core");
if (!coreFile.exists()) {
qDebug() << "No core dump found";
return;
}
char *receiver = getenv("CRASH_REPORT_RECEIVER");
if (!receiver) {
qDebug() << "CRASH_REPORT_RECEIVER environment variable not set";
return;
}
QProcess gdb;
gdb.start(QString("gdb %1 core -q -x print-backtrace.gdb")
.arg(mExecutable));
if (!gdb.waitForStarted()) {
qDebug() << "Failed to launch gdb";
coreFile.remove();
return;
}
if (!gdb.waitForFinished()) {
qDebug() << "gdb process is not finishing, killing";
gdb.kill();
coreFile.remove();
return;
}
coreFile.remove();
const QByteArray gdbOutput = gdb.readAllStandardOutput();
qDebug() << "gdb output:\n" << gdbOutput.constData();
QTime current = QTime::currentTime();
if (!mLastCrash.isNull() && mLastCrash.secsTo(current) < 60 * 10) {
qDebug() << "Sent a crash report less than 10 minutes ago, "
"dropping this one";
return;
}
mLastCrash = current;
QProcess mail;
mail.start(QString("mail -s \"Crash report for %1\" %2")
.arg(mExecutable, QString::fromLocal8Bit(receiver)));
if (!mail.waitForStarted()) {
qDebug() << "Failed to launch mail";
return;
}
mail.write(gdbOutput);
mail.closeWriteChannel();
if (mail.waitForFinished()) {
qDebug() << "Crash report sent to" << receiver;
} else {
qDebug() << "mail process is not finishing, killing";
mail.kill();
}
}
