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#include <stdint.h>
#include <windows.h>
uint64_t hs_hashable_init() {
/* Handy list at https://stackoverflow.com/a/3487338/1308058 */
uint64_t a = GetCurrentProcessId(); /* DWORD */
uint64_t b = GetCurrentThreadId(); /* DWORD */
uint64_t c = GetTickCount(); /* DWORD */
SYSTEMTIME t = {0,0,0,0,0,0,0,0};
GetSystemTime(&t);
LARGE_INTEGER i;
QueryPerformanceCounter(&i);
return a ^ (b << 32) ^ (c << 16)
^ ((uint64_t) t.wYear << 56)
^ ((uint64_t) t.wMonth << 48)
^ ((uint64_t) t.wDayOfWeek << 40)
^ ((uint64_t) t.wDay << 32)
^ ((uint64_t) t.wHour << 24)
^ ((uint64_t) t.wMinute << 16)
^ ((uint64_t) t.wSecond << 8)
^ ((uint64_t) t.wMilliseconds << 0)
^ ((uint64_t) i.QuadPart);
}
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