From 05421057ae9cedaf1734d4df2c10afc337d28a02 Mon Sep 17 00:00:00 2001
From: XMRig <support@xmrig.com>
Date: Tue, 3 Dec 2019 18:28:10 +0700
Subject: [PATCH] #1363 Fixed main thread priority.

---
 src/App.cpp                       |  2 --
 src/base/kernel/Base.cpp          |  4 ----
 src/base/kernel/Platform.h        |  1 -
 src/base/kernel/Platform_mac.cpp  |  5 -----
 src/base/kernel/Platform_unix.cpp |  5 -----
 src/base/kernel/Platform_win.cpp  | 37 -------------------------------
 src/core/Miner.cpp                |  5 +++++
 7 files changed, 5 insertions(+), 54 deletions(-)

diff --git a/src/App.cpp b/src/App.cpp
index 1908482c1..3acccc5df 100644
--- a/src/App.cpp
+++ b/src/App.cpp
@@ -90,8 +90,6 @@ int xmrig::App::exec()
 
     m_controller->start();
 
-    Platform::setThreadPriority(5);
-
     rc = uv_run(uv_default_loop(), UV_RUN_DEFAULT);
     uv_loop_close(uv_default_loop());
 
diff --git a/src/base/kernel/Base.cpp b/src/base/kernel/Base.cpp
index 90c7cb57c..5718a115e 100644
--- a/src/base/kernel/Base.cpp
+++ b/src/base/kernel/Base.cpp
@@ -176,10 +176,6 @@ int xmrig::Base::init()
 
     Platform::init(config()->userAgent());
 
-#   ifndef XMRIG_PROXY_PROJECT
-    Platform::setProcessPriority(config()->cpu().priority());
-#   endif
-
     if (isBackground()) {
         Log::background = true;
     }
diff --git a/src/base/kernel/Platform.h b/src/base/kernel/Platform.h
index 3f026f8bd..fe39a69ea 100644
--- a/src/base/kernel/Platform.h
+++ b/src/base/kernel/Platform.h
@@ -51,7 +51,6 @@ public:
     static uint32_t setTimerResolution(uint32_t resolution);
     static void init(const char *userAgent);
     static void restoreTimerResolution();
-    static void setProcessPriority(int priority);
     static void setThreadPriority(int priority);
 
     static inline const char *userAgent() { return m_userAgent; }
diff --git a/src/base/kernel/Platform_mac.cpp b/src/base/kernel/Platform_mac.cpp
index 146dd52d7..8d9bac3b8 100644
--- a/src/base/kernel/Platform_mac.cpp
+++ b/src/base/kernel/Platform_mac.cpp
@@ -83,11 +83,6 @@ void xmrig::Platform::restoreTimerResolution()
 }
 
 
-void xmrig::Platform::setProcessPriority(int priority)
-{
-}
-
-
 void xmrig::Platform::setThreadPriority(int priority)
 {
     if (priority == -1) {
diff --git a/src/base/kernel/Platform_unix.cpp b/src/base/kernel/Platform_unix.cpp
index bbba39f90..b6ca17e4a 100644
--- a/src/base/kernel/Platform_unix.cpp
+++ b/src/base/kernel/Platform_unix.cpp
@@ -111,11 +111,6 @@ void xmrig::Platform::restoreTimerResolution()
 }
 
 
-void xmrig::Platform::setProcessPriority(int priority)
-{
-}
-
-
 void xmrig::Platform::setThreadPriority(int priority)
 {
     if (priority == -1) {
diff --git a/src/base/kernel/Platform_win.cpp b/src/base/kernel/Platform_win.cpp
index 064c8352f..ad93cb6a7 100644
--- a/src/base/kernel/Platform_win.cpp
+++ b/src/base/kernel/Platform_win.cpp
@@ -131,43 +131,6 @@ void xmrig::Platform::restoreTimerResolution()
 }
 
 
-void xmrig::Platform::setProcessPriority(int priority)
-{
-    if (priority == -1) {
-        return;
-    }
-
-    DWORD prio = IDLE_PRIORITY_CLASS;
-    switch (priority)
-    {
-    case 1:
-        prio = BELOW_NORMAL_PRIORITY_CLASS;
-        break;
-
-    case 2:
-        prio = NORMAL_PRIORITY_CLASS;
-        break;
-
-    case 3:
-        prio = ABOVE_NORMAL_PRIORITY_CLASS;
-        break;
-
-    case 4:
-        prio = HIGH_PRIORITY_CLASS;
-        break;
-
-    case 5:
-        prio = REALTIME_PRIORITY_CLASS;
-        break;
-
-    default:
-        break;
-    }
-
-    SetPriorityClass(GetCurrentProcess(), prio);
-}
-
-
 void xmrig::Platform::setThreadPriority(int priority)
 {
     if (priority == -1) {
diff --git a/src/core/Miner.cpp b/src/core/Miner.cpp
index 20ff3fd73..5551268a6 100644
--- a/src/core/Miner.cpp
+++ b/src/core/Miner.cpp
@@ -263,6 +263,11 @@ public:
 xmrig::Miner::Miner(Controller *controller)
     : d_ptr(new MinerPrivate(controller))
 {
+    const int priority = controller->config()->cpu().priority();
+    if (priority >= 0) {
+        Platform::setThreadPriority(std::min(priority + 1, 5));
+    }
+
 #   ifdef XMRIG_ALGO_RANDOMX
     Rx::init(this);
 #   endif