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fix unique_lock starvation and extension loading

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This commit is contained in:
Akash Mozumdar 2019-02-13 18:23:42 -05:00
parent 4eefafeae9
commit 855f8ebfe5
1 changed files with 13 additions and 3 deletions
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14
GUI/extenwindow.cpp
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@ -19,8 +19,18 @@ namespace
wchar_t*(*callback)(wchar_t*, const InfoForExtension*); wchar_t*(*callback)(wchar_t*, const InfoForExtension*);
}; };
class : std::shared_mutex
{
public:
void lock() { ++queuedWrites; shared_mutex::lock(); }
void unlock() { --queuedWrites; shared_mutex::unlock(); }
void lock_shared() { while (queuedWrites) Sleep(100); shared_mutex::lock_shared(); }
void unlock_shared() { shared_mutex::unlock_shared(); }
private:
std::atomic<int> queuedWrites = 0;
} extenMutex;
std::vector<Extension> extensions; std::vector<Extension> extensions;
std::shared_mutex extenMutex;
void Load(QString extenName) void Load(QString extenName)
{ {
@ -105,7 +115,7 @@ void ExtenWindow::Sync()
void ExtenWindow::Add(QFileInfo extenFile) void ExtenWindow::Add(QFileInfo extenFile)
{ {
if (extenFile.suffix() != "dll") return; if (extenFile.suffix() != "dll") return;
QFile::copy(extenFile.fileName(), extenFile.absoluteFilePath()); QFile::copy(extenFile.absoluteFilePath(), extenFile.fileName());
Load(extenFile.completeBaseName()); Load(extenFile.completeBaseName());
Sync(); Sync();
} }