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Git: Fix crash on Grep

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If the process is already finished, and cancel is triggered Creator crashes.

For example, search for "q" in qt-creator, wait for >200K popup, then wait a few
seconds for the process to finish and press Cancel.

The reason for the crash is that reportFinished() is called twice - one from
GitGrepRunner::finish() and another one from Utils::runAsyncImpl().

Change-Id: I61d379f5e3a5ae86c9a48a3751dbb2e00203516d
Reviewed-by: Eike Ziller <eike.ziller@theqtcompany.com>
This commit is contained in:
Orgad Shaneh
2016-02-02 22:48:30 +02:00
committed by Orgad Shaneh
parent 5646480f27
commit 6a3e687d14
1 changed files with 7 additions and 13 deletions
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20
src/plugins/git/gitgrep.cpp
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@@ -122,13 +122,6 @@ public:
m_fi.reportResult(resultList);
}
void finish()
{
read();
m_fi.setProgressValue(1);
m_fi.reportFinished();
}
void exec()
{
m_fi.setProgressRange(0, 1);
@@ -158,16 +151,17 @@ public:
&m_process, &QtcProcess::kill);
connect(&m_process, &QProcess::readyRead,
this, &GitGrepRunner::read);
connect(&m_process, static_cast<void(QProcess::*)(int)>(&QProcess::finished),
this, &GitGrepRunner::finish);
QEventLoop eventLoop;
connect(&watcher, &QFutureWatcher<FileSearchResultList>::finished,
&eventLoop, &QEventLoop::quit);
m_process.start();
if (!m_process.waitForStarted())
return;
m_fi.reportStarted();
QEventLoop eventLoop;
connect(&m_process, static_cast<void(QProcess::*)(int)>(&QProcess::finished),
this, [this, &eventLoop]() {
read();
eventLoop.quit();
});
eventLoop.exec();
m_fi.setProgressValue(1);
}
static void run(QFutureInterface<FileSearchResultList> &fi,