Falkon/falkonOfficial
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Linux: Generating backtrace upon crash and saving it to file.

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- in $PROFILEDIR/crashlog
This commit is contained in:
nowrep 2012-07-03 22:57:31 +02:00
parent dea5c4261a
commit 770a9762a9
1 changed files with 86 additions and 10 deletions
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96
src/main/main.cpp
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@ -15,31 +15,107 @@
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
* ============================================================ */
#include "mainapplication.h"
#include "proxystyle.h"
#include <QMessageBox> // For QT_REQUIRE_VERSION
#ifdef Q_WS_X11
#include <iostream>
#include <signal.h>
void sigpipe_handler(int s)
{
// When using QtWebKit 2.2 and running QupZilla with gdb, I have experienced
// some SIGPIPEs so far (not with other versions, only with this).
// But every time, QupZilla was running fine after SIGPIPE, so we are catching
// this signal and ignoring it to prevent unneeded crash because of it.
#include <execinfo.h>
Q_UNUSED(s)
std::cout << "QupZilla: Caught SIGPIPE!" << std::endl;
#include "qupzilla.h"
#include <QDir>
#include <QDateTime>
#include <QTextStream>
void qupzilla_signal_handler(int s)
{
switch (s) {
case SIGPIPE:
// When using QtWebKit 2.2 and running QupZilla with gdb, I have experienced
// some SIGPIPEs so far (not with other versions, only with this).
// But every time, QupZilla was running fine after SIGPIPE, so we are catching
// this signal and ignoring it to prevent unneeded crash because of it.
std::cout << "QupZilla: Caught SIGPIPE!" << std::endl;
break;
case SIGSEGV: {
static bool sigSegvServed = false;
if (sigSegvServed) {
abort();
}
sigSegvServed = true;
std::cout << "QupZilla: Crashed :( Saving backtrace in " << qPrintable(mApp->PROFILEDIR) << "crashlog ..." << std::endl;
void* array[100];
int size = backtrace(array, 100);
char** strings = backtrace_symbols(array, size);
if (size < 0 || !strings) {
std::cout << "Cannot get backtrace!" << std::endl;
abort();
}
QDir dir(mApp->PROFILEDIR);
if (!dir.exists()) {
std::cout << qPrintable(mApp->PROFILEDIR) << " does not exist" << std::endl;
abort();
}
if (!dir.cd("crashlog")) {
if (!dir.mkdir("crashlog")) {
std::cout << "Cannot create " << qPrintable(mApp->PROFILEDIR) << "crashlog directory!" << std::endl;
abort();
}
dir.cd("crashlog");
}
const QDateTime &currentDateTime = QDateTime::currentDateTime();
QFile file(dir.absoluteFilePath("Crash-" + currentDateTime.toString(Qt::ISODate) + ".txt"));
if (!file.open(QFile::WriteOnly | QFile::Truncate)) {
std::cout << "Cannot open file " << qPrintable(file.fileName()) << " for writing!" << std::endl;
abort();
}
QTextStream stream(&file);
stream << "Time: " << currentDateTime.toString() << endl;
stream << "Qt version: " << qVersion() << " (compiled with " << QT_VERSION_STR << ")" << endl;
stream << "QupZilla version: " << QupZilla::VERSION << endl;
stream << "WebKit version: " << qWebKitVersion() << endl;
stream << endl;
stream << "============== BACKTRACE ==============" << endl;
for (int i = 0; i < size; ++i) {
stream << "#" << i << ": " << strings[i] << endl;
}
file.close();
std::cout << "Backtrace successfuly saved in " << qPrintable(dir.absoluteFilePath(file.fileName())) << std::endl;
}
default:
break;
}
}
#endif
int main(int argc, char* argv[])
{
QT_REQUIRE_VERSION(argc, argv, "4.7.0");
#ifdef Q_WS_X11
QApplication::setGraphicsSystem("raster"); // Better overall performance on X11
signal(SIGPIPE, sigpipe_handler);
signal(SIGSEGV, qupzilla_signal_handler);
signal(SIGPIPE, qupzilla_signal_handler);
#endif
MainApplication app(argc, argv);