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Merge pull request #7667 from Chocobo1/stackdump

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Include & print caught signal in stackdump
This commit is contained in:
Mike Tzou 2017-11-04 11:10:49 +08:00 committed by GitHub
commit 04cec39277
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3 changed files with 33 additions and 24 deletions
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33
src/app/main.cpp
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@ -84,10 +84,17 @@ void sigNormalHandler(int signum);
void sigAbnormalHandler(int signum);
// sys_signame[] is only defined in BSD
const char *sysSigName[] = {
#if defined(Q_OS_WIN)
"", "", "SIGINT", "", "SIGILL", "", "SIGABRT_COMPAT", "", "SIGFPE", "",
"", "SIGSEGV", "", "", "", "SIGTERM", "", "", "", "",
"", "SIGBREAK", "SIGABRT", "", "", "", "", "", "", "",
"", ""
#else
"", "SIGHUP", "SIGINT", "SIGQUIT", "SIGILL", "SIGTRAP", "SIGABRT", "SIGBUS", "SIGFPE", "SIGKILL",
"SIGUSR1", "SIGSEGV", "SIGUSR2", "SIGPIPE", "SIGALRM", "SIGTERM", "SIGSTKFLT", "SIGCHLD", "SIGCONT", "SIGSTOP",
"SIGTSTP", "SIGTTIN", "SIGTTOU", "SIGURG", "SIGXCPU", "SIGXFSZ", "SIGVTALRM", "SIGPROF", "SIGWINCH", "SIGIO",
"SIGPWR", "SIGUNUSED"
#endif
};
#endif
@ -276,12 +283,11 @@ void reportToUser(const char* str)
void sigNormalHandler(int signum)
{
#if !defined Q_OS_WIN && !defined Q_OS_HAIKU
const char str1[] = "Catching signal: ";
const char *sigName = sysSigName[signum];
const char str2[] = "\nExiting cleanly\n";
reportToUser(str1);
reportToUser(sigName);
reportToUser(str2);
const char msg1[] = "Catching signal: ";
const char msg2[] = "\nExiting cleanly\n";
reportToUser(msg1);
reportToUser(sysSigName[signum]);
reportToUser(msg2);
#endif // !defined Q_OS_WIN && !defined Q_OS_HAIKU
signal(signum, SIG_DFL);
qApp->exit(); // unsafe, but exit anyway
@ -289,19 +295,20 @@ void sigNormalHandler(int signum)
void sigAbnormalHandler(int signum)
{
#if !defined Q_OS_WIN && !defined Q_OS_HAIKU
const char str1[] = "\n\n*************************************************************\nCatching signal: ";
const char *sigName = sysSigName[signum];
const char str2[] = "\nPlease file a bug report at http://bug.qbittorrent.org and provide the following information:\n\n"
"qBittorrent version: " QBT_VERSION "\n";
reportToUser(str1);
#if !defined Q_OS_WIN && !defined Q_OS_HAIKU
const char msg[] = "\n\n*************************************************************\n"
"Please file a bug report at http://bug.qbittorrent.org and provide the following information:\n\n"
"qBittorrent version: " QBT_VERSION "\n\n"
"Caught signal: ";
reportToUser(msg);
reportToUser(sigName);
reportToUser(str2);
reportToUser("\n");
print_stacktrace(); // unsafe
#endif // !defined Q_OS_WIN && !defined Q_OS_HAIKU
#ifdef STACKTRACE_WIN
StraceDlg dlg; // unsafe
dlg.setStacktraceString(straceWin::getBacktrace());
dlg.setStacktraceString(QLatin1String(sigName), straceWin::getBacktrace());
dlg.exec();
#endif // STACKTRACE_WIN
signal(signum, SIG_DFL);

2
src/app/stacktrace.h
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@ -14,7 +14,7 @@
/** Print a demangled stack backtrace of the caller function to FILE* out. */
static inline void print_stacktrace(FILE *out = stderr, unsigned int max_frames = 63)
{
fprintf(out, "stack trace:\n");
fprintf(out, "Stack trace:\n");
// storage array for stack trace address data
std::vector<void *> addrlist(max_frames + 1);

12
src/app/stacktrace_win_dlg.h
View File

@ -40,13 +40,13 @@ class StraceDlg : public QDialog, private Ui::errorDialog
Q_OBJECT
public:
StraceDlg(QWidget* parent = 0)
StraceDlg(QWidget *parent = nullptr)
: QDialog(parent)
{
setupUi(this);
}
void setStacktraceString(const QString& trace)
void setStacktraceString(const QString &sigName, const QString &trace)
{
// try to call Qt function as less as possible
QString htmlStr = QString(
@ -68,13 +68,15 @@ public:
"Libtorrent version: %1<br/>"
"Qt version: " QT_VERSION_STR "<br/>"
"Boost version: %2<br/>"
"OS version: %3"
"</font></p><br/>"
"<pre><code>%4</code></pre>"
"OS version: %3<br/><br/>"
"Caught signal: %4"
"</font></p>"
"<pre><code>%5</code></pre>"
"<br/><hr><br/><br/>")
.arg(Utils::Misc::libtorrentVersionString())
.arg(Utils::Misc::boostVersionString())
.arg(Utils::Misc::osName())
.arg(sigName)
.arg(trace);
errorText->setHtml(htmlStr);