1 files changed, 0 insertions, 84 deletions
diff --git a/src/RunGuard.cpp b/src/RunGuard.cpp
deleted file mode 100644
index 75833eb7..00000000
--- a/src/RunGuard.cpp
+++ /dev/null
@@ -1,84 +0,0 @@
-#include "RunGuard.h"
-
-#include <QCryptographicHash>
-
-namespace {
-
-QString
-generateKeyHash(const QString &key, const QString &salt)
-{
- QByteArray data;
-
- data.append(key.toUtf8());
- data.append(salt.toUtf8());
- data = QCryptographicHash::hash(data, QCryptographicHash::Sha1).toHex();
-
- return data;
-}
-}
-
-RunGuard::RunGuard(const QString &key)
- : key(key)
- , memLockKey(generateKeyHash(key, "_memLockKey"))
- , sharedmemKey(generateKeyHash(key, "_sharedmemKey"))
- , sharedMem(sharedmemKey)
- , memLock(memLockKey, 1)
-{
- memLock.acquire();
- {
- // Fix for *nix: http://habrahabr.ru/post/173281/
- QSharedMemory fix(sharedmemKey);
- fix.attach();
- }
-
- memLock.release();
-}
-
-RunGuard::~RunGuard() { release(); }
-
-bool
-RunGuard::isAnotherRunning()
-{
- if (sharedMem.isAttached())
- return false;
-
- memLock.acquire();
- const bool isRunning = sharedMem.attach();
-
- if (isRunning)
- sharedMem.detach();
-
- memLock.release();
-
- return isRunning;
-}
-
-bool
-RunGuard::tryToRun()
-{
- // Extra check
- if (isAnotherRunning())
- return false;
-
- memLock.acquire();
- const bool result = sharedMem.create(sizeof(quint64));
- memLock.release();
-
- if (!result) {
- release();
- return false;
- }
-
- return true;
-}
-
-void
-RunGuard::release()
-{
- memLock.acquire();
-
- if (sharedMem.isAttached())
- sharedMem.detach();
-
- memLock.release();
-}
|
