Add Signals class.

CMakeLists.txt

@@ -23,9 +23,11 @@ set(HEADERS
     src/base/io/Json.h
     src/base/io/Watcher.h
     src/base/kernel/interfaces/IConfigListener.h
+    src/base/kernel/interfaces/ISignalListener.h
     src/base/kernel/interfaces/IWatcherListener.h
     src/base/kernel/Entry.h
     src/base/kernel/Process.h
+    src/base/kernel/Signals.h
     src/base/tools/Arguments.h
     src/base/tools/Handle.h
     src/base/tools/String.h
@@ -109,6 +111,7 @@ set(SOURCES
     src/base/io/Watcher.cpp
     src/base/kernel/Entry.cpp
     src/base/kernel/Process.cpp
+    src/base/kernel/Signals.cpp
     src/base/tools/Arguments.cpp
     src/base/tools/Handle.cpp
     src/base/tools/String.cpp

src/App.cpp

@@ -30,6 +30,7 @@
 
 #include "api/Api.h"
 #include "App.h"
+#include "base/kernel/Signals.h"
 #include "common/Console.h"
 #include "common/cpu/Cpu.h"
 #include "common/log/Log.h"
@@ -49,16 +50,11 @@
 #endif
 
 
-xmrig::App *xmrig::App::m_self = nullptr;
-
-
-
 xmrig::App::App(Process *process) :
     m_console(nullptr),
-    m_httpd(nullptr)
+    m_httpd(nullptr),
+    m_signals(nullptr)
 {
-    m_self = this;
-
     m_controller = new xmrig::Controller(process);
     if (m_controller->init() != 0) {
         return;
@@ -67,10 +63,6 @@ xmrig::App::App(Process *process) :
     if (!m_controller->config()->isBackground()) {
         m_console = new Console(this);
     }
-
-    uv_signal_init(uv_default_loop(), &m_sigHUP);
-    uv_signal_init(uv_default_loop(), &m_sigINT);
-    uv_signal_init(uv_default_loop(), &m_sigTERM);
 }
 
 
@@ -78,6 +70,7 @@ xmrig::App::~App()
 {
     uv_tty_reset_mode();
 
+    delete m_signals;
     delete m_console;
     delete m_controller;
 
@@ -93,9 +86,7 @@ int xmrig::App::exec()
         return 2;
     }
 
-    uv_signal_start(&m_sigHUP,  App::onSignal, SIGHUP);
-    uv_signal_start(&m_sigINT,  App::onSignal, SIGINT);
-    uv_signal_start(&m_sigTERM, App::onSignal, SIGTERM);
+    m_signals = new Signals(this);
 
     background();
 
@@ -172,21 +163,7 @@ void xmrig::App::onConsoleCommand(char command)
 }
 
 
-void xmrig::App::close()
-{
-    m_controller->network()->stop();
-    Workers::stop();
-
-    uv_stop(uv_default_loop());
-}
-
-
-void xmrig::App::release()
-{
-}
-
-
-void xmrig::App::onSignal(uv_signal_t *handle, int signum)
+void xmrig::App::onSignal(int signum)
 {
     switch (signum)
     {
@@ -206,6 +183,19 @@ void xmrig::App::onSignal(uv_signal_t *handle, int signum)
         break;
     }
 
-    uv_signal_stop(handle);
-    m_self->close();
+    close();
+}
+
+
+void xmrig::App::close()
+{
+    m_controller->network()->stop();
+    Workers::stop();
+
+    uv_stop(uv_default_loop());
+}
+
+
+void xmrig::App::release()
+{
 }

src/App.h

@@ -27,9 +27,7 @@
 #define XMRIG_APP_H
 
 
-#include <uv.h>
-
-
+#include "base/kernel/interfaces/ISignalListener.h"
 #include "common/interfaces/IConsoleListener.h"
 
 
@@ -43,9 +41,10 @@ namespace xmrig {
 
 class Controller;
 class Process;
+class Signals;
 
 
-class App : public IConsoleListener
+class App : public IConsoleListener, public ISignalListener
 {
 public:
   App(Process *process);
@@ -55,21 +54,16 @@ public:
 
 protected:
   void onConsoleCommand(char command) override;
+  void onSignal(int signum) override;
 
 private:
   void background();
   void close();
   void release();
 
-  static void onSignal(uv_signal_t *handle, int signum);
-
-  static App *m_self;
-
   Console *m_console;
   Httpd *m_httpd;
-  uv_signal_t m_sigHUP;
-  uv_signal_t m_sigINT;
-  uv_signal_t m_sigTERM;
+  Signals *m_signals;
   xmrig::Controller *m_controller;
 };
 

src/base/kernel/Signals.cpp

@@ -0,0 +1,63 @@
+/* XMRig
+ * Copyright 2010      Jeff Garzik <jgarzik@pobox.com>
+ * Copyright 2012-2014 pooler      <pooler@litecoinpool.org>
+ * Copyright 2014      Lucas Jones <https://github.com/lucasjones>
+ * Copyright 2014-2016 Wolf9466    <https://github.com/OhGodAPet>
+ * Copyright 2016      Jay D Dee   <jayddee246@gmail.com>
+ * Copyright 2017-2018 XMR-Stak    <https://github.com/fireice-uk>, <https://github.com/psychocrypt>
+ * Copyright 2018      SChernykh   <https://github.com/SChernykh>
+ * Copyright 2016-2018 XMRig       <https://github.com/xmrig>, <support@xmrig.com>
+ *
+ *   This program is free software: you can redistribute it and/or modify
+ *   it under the terms of the GNU General Public License as published by
+ *   the Free Software Foundation, either version 3 of the License, or
+ *   (at your option) any later version.
+ *
+ *   This program is distributed in the hope that it will be useful,
+ *   but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ *   GNU General Public License for more details.
+ *
+ *   You should have received a copy of the GNU General Public License
+ *   along with this program. If not, see <http://www.gnu.org/licenses/>.
+ */
+
+
+#include <uv.h>
+
+
+#include "base/kernel/interfaces/ISignalListener.h"
+#include "base/kernel/Signals.h"
+#include "base/tools/Handle.h"
+
+
+static const int signums[xmrig::Signals::kSignalsCount] = { SIGHUP, SIGINT, SIGTERM };
+
+
+xmrig::Signals::Signals(ISignalListener *listener)
+    : m_listener(listener)
+{
+    for (size_t i = 0; i < kSignalsCount; ++i) {
+        uv_signal_t *signal = new uv_signal_t;
+        signal->data        = this;
+
+        m_signals[i] = signal;
+
+        uv_signal_init(uv_default_loop(), signal);
+        uv_signal_start(signal, xmrig::Signals::onSignal, signums[i]);
+    }
+}
+
+
+xmrig::Signals::~Signals()
+{
+    for (size_t i = 0; i < kSignalsCount; ++i) {
+        Handle::close(m_signals[i]);
+    }
+}
+
+
+void xmrig::Signals::onSignal(uv_signal_t *handle, int signum)
+{
+    static_cast<xmrig::Signals *>(handle->data)->m_listener->onSignal(signum);
+}

src/base/kernel/Signals.h

@@ -0,0 +1,62 @@
+/* XMRig
+ * Copyright 2010      Jeff Garzik <jgarzik@pobox.com>
+ * Copyright 2012-2014 pooler      <pooler@litecoinpool.org>
+ * Copyright 2014      Lucas Jones <https://github.com/lucasjones>
+ * Copyright 2014-2016 Wolf9466    <https://github.com/OhGodAPet>
+ * Copyright 2016      Jay D Dee   <jayddee246@gmail.com>
+ * Copyright 2017-2018 XMR-Stak    <https://github.com/fireice-uk>, <https://github.com/psychocrypt>
+ * Copyright 2018-2019 SChernykh   <https://github.com/SChernykh>
+ * Copyright 2016-2019 XMRig       <https://github.com/xmrig>, <support@xmrig.com>
+ *
+ *   This program is free software: you can redistribute it and/or modify
+ *   it under the terms of the GNU General Public License as published by
+ *   the Free Software Foundation, either version 3 of the License, or
+ *   (at your option) any later version.
+ *
+ *   This program is distributed in the hope that it will be useful,
+ *   but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ *   GNU General Public License for more details.
+ *
+ *   You should have received a copy of the GNU General Public License
+ *   along with this program. If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#ifndef XMRIG_SIGNALS_H
+#define XMRIG_SIGNALS_H
+
+
+#include <stddef.h>
+
+
+typedef struct uv_signal_s uv_signal_t;
+
+
+namespace xmrig {
+
+
+class ISignalListener;
+
+
+class Signals
+{
+public:
+    constexpr static const size_t kSignalsCount = 3;
+
+    Signals(ISignalListener *listener);
+    ~Signals();
+
+private:
+    void close(int signum);
+
+    static void onSignal(uv_signal_t *handle, int signum);
+
+    ISignalListener *m_listener;
+    uv_signal_t *m_signals[kSignalsCount];
+};
+
+
+} /* namespace xmrig */
+
+
+#endif /* XMRIG_SIGNALS_H */

src/base/kernel/interfaces/ISignalListener.h

@@ -0,0 +1,47 @@
+/* XMRig
+ * Copyright 2010      Jeff Garzik <jgarzik@pobox.com>
+ * Copyright 2012-2014 pooler      <pooler@litecoinpool.org>
+ * Copyright 2014      Lucas Jones <https://github.com/lucasjones>
+ * Copyright 2014-2016 Wolf9466    <https://github.com/OhGodAPet>
+ * Copyright 2016      Jay D Dee   <jayddee246@gmail.com>
+ * Copyright 2017-2018 XMR-Stak    <https://github.com/fireice-uk>, <https://github.com/psychocrypt>
+ * Copyright 2018-2019 SChernykh   <https://github.com/SChernykh>
+ * Copyright 2016-2019 XMRig       <https://github.com/xmrig>, <support@xmrig.com>
+ *
+ *   This program is free software: you can redistribute it and/or modify
+ *   it under the terms of the GNU General Public License as published by
+ *   the Free Software Foundation, either version 3 of the License, or
+ *   (at your option) any later version.
+ *
+ *   This program is distributed in the hope that it will be useful,
+ *   but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ *   GNU General Public License for more details.
+ *
+ *   You should have received a copy of the GNU General Public License
+ *   along with this program. If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#ifndef XMRIG_ISIGNALLISTENER_H
+#define XMRIG_ISIGNALLISTENER_H
+
+
+namespace xmrig {
+
+
+class String;
+
+
+class ISignalListener
+{
+public:
+    virtual ~ISignalListener() = default;
+
+    virtual void onSignal(int signum) = 0;
+};
+
+
+} /* namespace xmrig */
+
+
+#endif // XMRIG_ISIGNALLISTENER_H