chore: initial commit (extracted from Launchers monorepo)

Plugin: ns7zip v2.0.0 Architectures: x86-ansi, x86-unicode, amd64-unicode License: LGPL-2.1-or-later
2026-04-29 14:07:51 +02:00
commit d074cc7c07
3848 changed files with 1076682 additions and 0 deletions
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+// Windows/System.h
+
+#ifndef ZIP7_INC_WINDOWS_SYSTEM_H
+#define ZIP7_INC_WINDOWS_SYSTEM_H
+
+#ifndef _WIN32
+// #include <sched.h>
+#include "../../C/Threads.h"
+#endif
+
+#include "../Common/MyTypes.h"
+#include "../Common/MyVector.h"
+#include "../Common/MyWindows.h"
+
+namespace NWindows {
+namespace NSystem {
+
+UInt32 GetNumberOfProcessors();
+
+#ifdef _WIN32
+
+struct CCpuGroups
+{
+  CRecordVector<UInt32> GroupSizes;
+  UInt32 NumThreadsTotal; // sum of threads in all groups
+  // bool Is_Win11_Groups; // useless
+  
+  void Get_GroupSize_Min_Max(UInt32 &minSize, UInt32 &maxSize) const
+  {
+    unsigned num = GroupSizes.Size();
+    UInt32 minSize2 = 0, maxSize2 = 0;
+    if (num)
+    {
+      minSize2 = (UInt32)0 - 1;
+      do
+      {
+        const UInt32 v = GroupSizes[--num];
+        if (minSize2 > v) minSize2 = v;
+        if (maxSize2 < v) maxSize2 = v;
+      }
+      while (num);
+    }
+    minSize = minSize2;
+    maxSize = maxSize2;
+  }
+  bool Load();
+  CCpuGroups(): NumThreadsTotal(0) {}
+};
+
+UInt32 CountAffinity(DWORD_PTR mask);
+
+struct CProcessAffinity
+{
+  // UInt32 numProcessThreads;
+  // UInt32 numSysThreads;
+  DWORD_PTR processAffinityMask;
+  DWORD_PTR systemAffinityMask;
+
+  CCpuGroups Groups;
+  bool IsGroupMode;
+    /*
+      IsGroupMode == true, if
+          Groups.GroupSizes.Size() > 1) && { dafalt affinity was not changed }
+      IsGroupMode == false, if single group or affinity was changed
+    */
+  
+  UInt32 Load_and_GetNumberOfThreads();
+
+  void InitST()
+  {
+    // numProcessThreads = 1;
+    // numSysThreads = 1;
+    processAffinityMask = 1;
+    systemAffinityMask = 1;
+    IsGroupMode = false;
+    // Groups.NumThreadsTotal = 0;
+    // Groups.Is_Win11_Groups = false;
+  }
+
+/*
+  void CpuZero()
+  {
+    processAffinityMask = 0;
+  }
+
+  void CpuSet(unsigned cpuIndex)
+  {
+    processAffinityMask |= ((DWORD_PTR)1 << cpuIndex);
+  }
+*/
+
+  UInt32 GetNumProcessThreads() const
+  {
+    if (IsGroupMode)
+      return Groups.NumThreadsTotal;
+    // IsGroupMode == false
+    // so we don't want to use groups
+    // we return number of threads in default primary group:
+    return CountAffinity(processAffinityMask);
+  }
+  UInt32 GetNumSystemThreads() const
+  {
+    if (Groups.GroupSizes.Size() > 1 && Groups.NumThreadsTotal)
+      return Groups.NumThreadsTotal;
+    return CountAffinity(systemAffinityMask);
+  }
+
+  // it returns normilized number of threads
+  void Get_and_return_NumProcessThreads_and_SysThreads(UInt32 &numProcessThreads, UInt32 &numSysThreads)
+  {
+    UInt32 num1 = 0, num2 = 0;
+    if (Get())
+    {
+      num1 = GetNumProcessThreads();
+      num2 = GetNumSystemThreads();
+    }
+    if (num1 == 0)
+      num1 = NSystem::GetNumberOfProcessors();
+    if (num1 == 0)
+        num1 = 1;
+    if (num2 < num1)
+        num2 = num1;
+    numProcessThreads = num1;
+    numSysThreads = num2;
+  }
+
+  BOOL Get();
+
+  BOOL SetProcAffinity() const
+  {
+    return SetProcessAffinityMask(GetCurrentProcess(), processAffinityMask);
+  }
+};
+
+
+#else // WIN32
+
+struct CProcessAffinity
+{
+  UInt32 numSysThreads;
+
+  UInt32 GetNumSystemThreads() const { return (UInt32)numSysThreads; }
+  BOOL Get();
+
+  #ifdef Z7_AFFINITY_SUPPORTED
+
+  CCpuSet cpu_set;
+
+  void InitST()
+  {
+    numSysThreads = 1;
+    CpuSet_Zero(&cpu_set);
+    CpuSet_Set(&cpu_set, 0);
+  }
+
+  UInt32 GetNumProcessThreads() const { return (UInt32)CPU_COUNT(&cpu_set); }
+  void CpuZero()              { CpuSet_Zero(&cpu_set); }
+  void CpuSet(unsigned cpuIndex)   { CpuSet_Set(&cpu_set, cpuIndex); }
+  int IsCpuSet(unsigned cpuIndex) const { return CpuSet_IsSet(&cpu_set, cpuIndex); }
+  // void CpuClr(int cpuIndex) { CPU_CLR(cpuIndex, &cpu_set); }
+
+  BOOL SetProcAffinity() const
+  {
+    return sched_setaffinity(0, sizeof(cpu_set), &cpu_set) == 0;
+  }
+
+  #else // Z7_AFFINITY_SUPPORTED
+
+  void InitST()
+  {
+    numSysThreads = 1;
+  }
+  
+  UInt32 GetNumProcessThreads() const
+  {
+    return numSysThreads;
+    /*
+    UInt32 num = 0;
+    for (unsigned i = 0; i < sizeof(cpu_set) * 8; i++)
+      num += (UInt32)((cpu_set >> i) & 1);
+    return num;
+    */
+  }
+  
+  void CpuZero() { }
+  void CpuSet(unsigned /* cpuIndex */) { /* UNUSED_VAR(cpuIndex) */ }
+  int IsCpuSet(unsigned cpuIndex) const { return (cpuIndex < numSysThreads) ? 1 : 0; }
+
+  BOOL SetProcAffinity() const
+  {
+    errno = ENOSYS;
+    return FALSE;
+  }
+  
+  #endif // Z7_AFFINITY_SUPPORTED
+};
+
+#endif // _WIN32
+
+
+bool GetRamSize(size_t &size); // returns false, if unknown ram size
+
+unsigned long Get_File_OPEN_MAX();
+unsigned Get_File_OPEN_MAX_Reduced_for_3_tasks();
+
+}}
+
+#endif