feat(Core/Thread): move Processpriority to separated files (#5638)

2026-01-18 19:35:42 +00:00 · 2021-06-03 00:18:24 +07:00
parent 0c478bfb68
commit 55bea7eb79
4 changed files with 109 additions and 147 deletions
--- a/src/common/Threading/ProcessPriority.cpp
+++ b/src/common/Threading/ProcessPriority.cpp
@@ -0,0 +1,85 @@
+/*
+ * Copyright (C) 2016+ AzerothCore <www.azerothcore.org>, released under GNU AGPL v3 license: https://github.com/azerothcore/azerothcore-wotlk/blob/master/LICENSE-AGPL3
+ * Copyright (C) 2021+ WarheadCore <https://github.com/WarheadCore>
+ */
+
+#include "ProcessPriority.h"
+#include "Log.h"
+
+#ifdef _WIN32 // Windows
+#include <Windows.h>
+#elif defined(__linux__)
+#include <sched.h>
+#include <sys/resource.h>
+#define PROCESS_HIGH_PRIORITY -15 // [-20, 19], default is 0
+#endif
+
+void SetProcessPriority(std::string const& logChannel, uint32 affinity, bool highPriority)
+{
+    ///- Handle affinity for multiple processors and process priority
+#ifdef _WIN32 // Windows
+
+    HANDLE hProcess = GetCurrentProcess();
+    if (affinity > 0)
+    {
+        ULONG_PTR appAff;
+        ULONG_PTR sysAff;
+
+        if (GetProcessAffinityMask(hProcess, &appAff, &sysAff))
+        {
+            // remove non accessible processors
+            ULONG_PTR currentAffinity = affinity & appAff;
+
+            if (!currentAffinity)
+                LOG_ERROR(logChannel, "Processors marked in UseProcessors bitmask (hex) %x are not accessible. Accessible processors bitmask (hex): %x", affinity, appAff);
+            else if (SetProcessAffinityMask(hProcess, currentAffinity))
+                LOG_INFO(logChannel, "Using processors (bitmask, hex): %x", currentAffinity);
+            else
+                LOG_ERROR(logChannel, "Can't set used processors (hex): %x", currentAffinity);
+        }
+    }
+
+    if (highPriority)
+    {
+        if (SetPriorityClass(hProcess, HIGH_PRIORITY_CLASS))
+            LOG_INFO(logChannel, "Process priority class set to HIGH");
+        else
+            LOG_ERROR(logChannel, "Can't set process priority class.");
+    }
+
+#elif defined(__linux__) // Linux
+
+    if (affinity > 0)
+    {
+        cpu_set_t mask;
+        CPU_ZERO(&mask);
+
+        for (unsigned int i = 0; i < sizeof(affinity) * 8; ++i)
+            if (affinity & (1 << i))
+                CPU_SET(i, &mask);
+
+        if (sched_setaffinity(0, sizeof(mask), &mask))
+            LOG_ERROR(logChannel, "Can't set used processors (hex): %x, error: %s", affinity, strerror(errno));
+        else
+        {
+            CPU_ZERO(&mask);
+            sched_getaffinity(0, sizeof(mask), &mask);
+            LOG_INFO(logChannel, "Using processors (bitmask, hex): %lx", *(__cpu_mask*)(&mask));
+        }
+    }
+
+    if (highPriority)
+    {
+        if (setpriority(PRIO_PROCESS, 0, PROCESS_HIGH_PRIORITY))
+            LOG_ERROR(logChannel, "Can't set process priority class, error: %s", strerror(errno));
+        else
+            LOG_INFO(logChannel, "Process priority class set to %i", getpriority(PRIO_PROCESS, 0));
+    }
+
+#else
+    // Suppresses unused argument warning for all other platforms
+    (void)logChannel;
+    (void)affinity;
+    (void)highPriority;
+#endif
+}