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get Windows version dynamically

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This commit is contained in:
daanx 2025-05-21 17:58:24 -07:00
parent befe57f3e7
commit 4bf6ae693a
1 changed files with 16 additions and 11 deletions
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27
src/prim/windows/prim.c
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@ -18,8 +18,7 @@ terms of the MIT license. A copy of the license can be found in the file
//---------------------------------------------
#if defined(_MSC_VER)
#pragma warning(disable:28159) // don't use GetVersion
#pragma warning(disable:4996) // don't use GetVersion
#pragma warning(disable:4996) // don't use GetVersionExW
#endif
static DWORD win_major_version = 6;
@ -72,6 +71,8 @@ static PGetNumaProcessorNode pGetNumaProcessorNode = NULL;
// Available after Windows XP
typedef BOOL (__stdcall *PGetPhysicallyInstalledSystemMemory)( PULONGLONG TotalMemoryInKilobytes );
typedef BOOL (__stdcall* PGetVersionExW)(LPOSVERSIONINFOW lpVersionInformation);
//---------------------------------------------
// Enable large page support dynamically (if possible)
@ -126,14 +127,9 @@ void _mi_prim_mem_init( mi_os_mem_config_t* config )
config->has_overcommit = false;
config->has_partial_free = false;
config->has_virtual_reserve = true;
// windows version
OSVERSIONINFOW version; _mi_memzero_var(version);
if (GetVersionExW(&version)) {
win_major_version = version.dwMajorVersion;
win_minor_version = version.dwMinorVersion;
}
// get the page size
SYSTEM_INFO si;
SYSTEM_INFO si; _mi_memzero_var(si);
GetSystemInfo(&si);
if (si.dwPageSize > 0) { config->page_size = si.dwPageSize; }
if (si.dwAllocationGranularity > 0) {
@ -147,8 +143,7 @@ void _mi_prim_mem_init( mi_os_mem_config_t* config )
}
// get the VirtualAlloc2 function
HINSTANCE hDll;
hDll = LoadLibrary(TEXT("kernelbase.dll"));
HINSTANCE hDll = LoadLibrary(TEXT("kernelbase.dll"));
if (hDll != NULL) {
// use VirtualAlloc2FromApp if possible as it is available to Windows store apps
pVirtualAlloc2 = (PVirtualAlloc2)(void (*)(void))GetProcAddress(hDll, "VirtualAlloc2FromApp");
@ -178,6 +173,16 @@ void _mi_prim_mem_init( mi_os_mem_config_t* config )
}
}
}
// Get Windows version
PGetVersionExW pGetVersionExW = (PGetVersionExW)(void (*)(void))GetProcAddress(hDll, "GetVersionExW");
if (pGetVersionExW != NULL) {
OSVERSIONINFOW version; _mi_memzero_var(version);
version.dwOSVersionInfoSize = sizeof(version);
if ((*pGetVersionExW)(&version)) {
win_major_version = version.dwMajorVersion;
win_minor_version = version.dwMinorVersion;
}
}
FreeLibrary(hDll);
}
// Enable large/huge OS page support?