1 files changed, 68 insertions, 0 deletions
diff --git a/thirdparty/etcpak/System.cpp b/thirdparty/etcpak/System.cpp
new file mode 100644
index 0000000000..a09b289cb2
--- /dev/null
+++ b/thirdparty/etcpak/System.cpp
@@ -0,0 +1,68 @@
+#include <algorithm>
+#ifdef _WIN32
+#  include <windows.h>
+#else
+#  include <pthread.h>
+#  include <unistd.h>
+#endif
+
+#include "System.hpp"
+
+unsigned int System::CPUCores()
+{
+    static unsigned int cores = 0;
+    if( cores == 0 )
+    {
+        int tmp;
+#ifdef _WIN32
+        SYSTEM_INFO info;
+        GetSystemInfo( &info );
+        tmp = (int)info.dwNumberOfProcessors;
+#else
+#  ifndef _SC_NPROCESSORS_ONLN
+#    ifdef _SC_NPROC_ONLN
+#      define _SC_NPROCESSORS_ONLN _SC_NPROC_ONLN
+#    elif defined _SC_CRAY_NCPU
+#      define _SC_NPROCESSORS_ONLN _SC_CRAY_NCPU
+#    endif
+#  endif
+        tmp = (int)(long)sysconf( _SC_NPROCESSORS_ONLN );
+#endif
+        cores = (unsigned int)std::max( tmp, 1 );
+    }
+    return cores;
+}
+
+void System::SetThreadName( std::thread& thread, const char* name )
+{
+#ifdef _MSC_VER
+    const DWORD MS_VC_EXCEPTION=0x406D1388;
+
+#  pragma pack( push, 8 )
+    struct THREADNAME_INFO
+    {
+       DWORD dwType;
+       LPCSTR szName;
+       DWORD dwThreadID;
+       DWORD dwFlags;
+    };
+#  pragma pack(pop)
+
+    DWORD ThreadId = GetThreadId( static_cast<HANDLE>( thread.native_handle() ) );
+    THREADNAME_INFO info;
+    info.dwType = 0x1000;
+    info.szName = name;
+    info.dwThreadID = ThreadId;
+    info.dwFlags = 0;
+
+    __try
+    {
+       RaiseException( MS_VC_EXCEPTION, 0, sizeof(info)/sizeof(ULONG_PTR), (ULONG_PTR*)&info );
+    }
+    __except(EXCEPTION_EXECUTE_HANDLER)
+    {
+    }
+#elif !defined(__APPLE__)
+    pthread_setname_np( thread.native_handle(), name );
+#endif
+}