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| author | wolfbeast <mcwerewolf@wolfbeast.com> | 2019-03-29 16:04:01 +0100 |
|---|---|---|
| committer | wolfbeast <mcwerewolf@wolfbeast.com> | 2019-03-29 16:04:01 +0100 |
| commit | 88083f8c683c18f4de68a20c863a82a9da65db8f (patch) | |
| tree | 926656892d9d80260da02ea8ea71031b140c51df /other-licenses/7zstub/src/CPP/Windows/System.cpp | |
| parent | f999f544aad04069b03704d994a99352263f600b (diff) | |
| parent | 843e4ceffd6ce21a6e6db37419335eafdc543e18 (diff) | |
| download | UXP-88083f8c683c18f4de68a20c863a82a9da65db8f.tar UXP-88083f8c683c18f4de68a20c863a82a9da65db8f.tar.gz UXP-88083f8c683c18f4de68a20c863a82a9da65db8f.tar.lz UXP-88083f8c683c18f4de68a20c863a82a9da65db8f.tar.xz UXP-88083f8c683c18f4de68a20c863a82a9da65db8f.zip | |
Merge branch 'master' into Sync-weave
Diffstat (limited to 'other-licenses/7zstub/src/CPP/Windows/System.cpp')
| -rw-r--r-- | other-licenses/7zstub/src/CPP/Windows/System.cpp | 142 |
1 files changed, 142 insertions, 0 deletions
diff --git a/other-licenses/7zstub/src/CPP/Windows/System.cpp b/other-licenses/7zstub/src/CPP/Windows/System.cpp new file mode 100644 index 000000000..c6f827588 --- /dev/null +++ b/other-licenses/7zstub/src/CPP/Windows/System.cpp @@ -0,0 +1,142 @@ +// Windows/System.cpp
+
+#include "StdAfx.h"
+
+#include "../Common/MyWindows.h"
+
+#include "../Common/Defs.h"
+
+#include "System.h"
+
+namespace NWindows {
+namespace NSystem {
+
+UInt32 CountAffinity(DWORD_PTR mask)
+{
+ UInt32 num = 0;
+ for (unsigned i = 0; i < sizeof(mask) * 8; i++)
+ num += (UInt32)((mask >> i) & 1);
+ return num;
+}
+
+#ifdef _WIN32
+
+BOOL CProcessAffinity::Get()
+{
+ #ifndef UNDER_CE
+ return GetProcessAffinityMask(GetCurrentProcess(), &processAffinityMask, &systemAffinityMask);
+ #else
+ return FALSE;
+ #endif
+}
+
+
+UInt32 GetNumberOfProcessors()
+{
+ // We need to know how many threads we can use.
+ // By default the process is assigned to one group.
+ // So we get the number of logical processors (threads)
+ // assigned to current process in the current group.
+ // Group size can be smaller than total number logical processors, for exammple, 2x36
+
+ CProcessAffinity pa;
+
+ if (pa.Get() && pa.processAffinityMask != 0)
+ return pa.GetNumProcessThreads();
+
+ SYSTEM_INFO systemInfo;
+ GetSystemInfo(&systemInfo);
+ // the number of logical processors in the current group
+ return (UInt32)systemInfo.dwNumberOfProcessors;
+}
+
+#else
+
+UInt32 GetNumberOfProcessors()
+{
+ return 1;
+}
+
+#endif
+
+
+#ifdef _WIN32
+
+#ifndef UNDER_CE
+
+#if !defined(_WIN64) && defined(__GNUC__)
+
+typedef struct _MY_MEMORYSTATUSEX {
+ DWORD dwLength;
+ DWORD dwMemoryLoad;
+ DWORDLONG ullTotalPhys;
+ DWORDLONG ullAvailPhys;
+ DWORDLONG ullTotalPageFile;
+ DWORDLONG ullAvailPageFile;
+ DWORDLONG ullTotalVirtual;
+ DWORDLONG ullAvailVirtual;
+ DWORDLONG ullAvailExtendedVirtual;
+} MY_MEMORYSTATUSEX, *MY_LPMEMORYSTATUSEX;
+
+#else
+
+#define MY_MEMORYSTATUSEX MEMORYSTATUSEX
+#define MY_LPMEMORYSTATUSEX LPMEMORYSTATUSEX
+
+#endif
+
+typedef BOOL (WINAPI *GlobalMemoryStatusExP)(MY_LPMEMORYSTATUSEX lpBuffer);
+
+#endif
+
+#endif
+
+
+bool GetRamSize(UInt64 &size)
+{
+ size = (UInt64)(sizeof(size_t)) << 29;
+
+ #ifdef _WIN32
+
+ #ifndef UNDER_CE
+ MY_MEMORYSTATUSEX stat;
+ stat.dwLength = sizeof(stat);
+ #endif
+
+ #ifdef _WIN64
+
+ if (!::GlobalMemoryStatusEx(&stat))
+ return false;
+ size = MyMin(stat.ullTotalVirtual, stat.ullTotalPhys);
+ return true;
+
+ #else
+
+ #ifndef UNDER_CE
+ GlobalMemoryStatusExP globalMemoryStatusEx = (GlobalMemoryStatusExP)
+ ::GetProcAddress(::GetModuleHandle(TEXT("kernel32.dll")), "GlobalMemoryStatusEx");
+ if (globalMemoryStatusEx && globalMemoryStatusEx(&stat))
+ {
+ size = MyMin(stat.ullTotalVirtual, stat.ullTotalPhys);
+ return true;
+ }
+ #endif
+
+ {
+ MEMORYSTATUS stat2;
+ stat2.dwLength = sizeof(stat2);
+ ::GlobalMemoryStatus(&stat2);
+ size = MyMin(stat2.dwTotalVirtual, stat2.dwTotalPhys);
+ return true;
+ }
+
+ #endif
+
+ #else
+
+ return false;
+
+ #endif
+}
+
+}}
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