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authorShane Kearns <shane.kearns@accenture.com>2010-07-15 08:36:18 (GMT)
committerShane Kearns <shane.kearns@accenture.com>2010-07-15 08:39:48 (GMT)
commit518a8ab0fe67965555973788e3eea643882cb80c (patch)
tree4efe108abacc687d059a9093d901052858263aaa /tools
parent12b6275a21076df582e80c422b31560d8ee995d0 (diff)
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fix for looping crash log on data abort
When a thread panics, calling resume allows the thread to proceed to the exit handler and shut down. When a thread takes an exception, calling resume continues from the same point so the exception happens again. To avoid this, we add crashed thread ids to a list. If we see the same thread crash again, we terminate the process without trying to fetch the call stack a second time. Reviewed-by: Jason Barron
Diffstat (limited to 'tools')
-rw-r--r--tools/runonphone/trksignalhandler.cpp27
1 files changed, 20 insertions, 7 deletions
diff --git a/tools/runonphone/trksignalhandler.cpp b/tools/runonphone/trksignalhandler.cpp
index b6d446f..898692a 100644
--- a/tools/runonphone/trksignalhandler.cpp
+++ b/tools/runonphone/trksignalhandler.cpp
@@ -71,8 +71,10 @@ private:
QFile crashlogtextfile;
QFile crashstackfile;
QList<CrashState> queuedCrashes;
+ QList<int> dyingThreads;
QString crashlogPath;
bool crashlog;
+ bool terminateNeeded;
};
void TrkSignalHandler::copyingStarted()
@@ -201,15 +203,23 @@ void TrkSignalHandler::stopped(uint pc, uint pid, uint tid, const QString& reaso
cs.crashPC = pc;
cs.crashReason = reason;
- d->queuedCrashes.append(cs);
-
- if (d->queuedCrashes.count() == 1) {
- d->err << "Fetching registers and stack..." << endl;
- emit getRegistersAndCallStack(pid, tid);
+ if (d->dyingThreads.contains(tid)) {
+ if(d->queuedCrashes.isEmpty())
+ emit terminate();
+ else
+ d->terminateNeeded = true;
+ } else {
+ d->queuedCrashes.append(cs);
+ d->dyingThreads.append(tid);
+
+ if (d->queuedCrashes.count() == 1) {
+ d->err << "Fetching registers and stack..." << endl;
+ emit getRegistersAndCallStack(pid, tid);
+ }
}
}
else
- emit resume(pid, tid);
+ emit terminate();
}
void TrkSignalHandler::registersAndCallStackReadComplete(const QList<uint>& registers, const QByteArray& stack)
@@ -307,6 +317,8 @@ void TrkSignalHandler::registersAndCallStackReadComplete(const QList<uint>& regi
d->err << "Fetching registers and stack..." << endl;
emit getRegistersAndCallStack(cs.pid, cs.tid);
}
+ else if (d->terminateNeeded)
+ emit terminate();
}
@@ -333,7 +345,8 @@ TrkSignalHandlerPrivate::TrkSignalHandlerPrivate()
: out(stdout),
err(stderr),
loglevel(0),
- lastpercent(0)
+ lastpercent(0),
+ terminateNeeded(false)
{
}