From 8c0df6d34bba406e4d8e2711e4f5134a24107b2e Mon Sep 17 00:00:00 2001
From: Keshav <keshavnrj@gmail.com>
Date: Tue, 10 May 2022 10:09:15 +0530
Subject: chore: remove runguard

---
 src/rungaurd.cpp | 67 --------------------------------------------------------
 src/rungaurd.h   | 32 ---------------------------
 2 files changed, 99 deletions(-)
 delete mode 100644 src/rungaurd.cpp
 delete mode 100644 src/rungaurd.h

(limited to 'src')

diff --git a/src/rungaurd.cpp b/src/rungaurd.cpp
deleted file mode 100644
index 887eaf0..0000000
--- a/src/rungaurd.cpp
+++ /dev/null
@@ -1,67 +0,0 @@
-#include "rungaurd.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;
-}
-
-} // namespace
-
-RunGuard::RunGuard(const QString &key)
-    : key(key), memLockKey(generateKeyHash(key, "_memLockKey")),
-      sharedmemKey(generateKeyHash(key, "_sharedmemKey")),
-      sharedMem(sharedmemKey), memLock(memLockKey, 1) {
-  memLock.acquire();
-  {
-    QSharedMemory fix(
-        sharedmemKey); // Fix for *nix: http://habrahabr.ru/post/173281/
-    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() {
-  if (isAnotherRunning()) // Extra check
-    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();
-}
diff --git a/src/rungaurd.h b/src/rungaurd.h
deleted file mode 100644
index 06d45a8..0000000
--- a/src/rungaurd.h
+++ /dev/null
@@ -1,32 +0,0 @@
-#ifndef RUNGUARD_H
-#define RUNGUARD_H
-
-#include <QObject>
-#include <QSharedMemory>
-#include <QSystemSemaphore>
-
-
-class RunGuard
-{
-
-public:
-    RunGuard( const QString& key );
-    ~RunGuard();
-
-    bool isAnotherRunning();
-    bool tryToRun();
-    void release();
-
-private:
-    const QString key;
-    const QString memLockKey;
-    const QString sharedmemKey;
-
-    QSharedMemory sharedMem;
-    QSystemSemaphore memLock;
-
-    Q_DISABLE_COPY( RunGuard )
-};
-
-
-#endif // RUNGUARD_H
-- 
cgit v1.2.3