Initial project import

tools/v/vlib/runtime/runtime_windows.c.v

@@ -0,0 +1,36 @@
+module runtime
+
+import os
+
+@[typedef]
+pub struct C.MEMORYSTATUS {
+	dwTotalPhys usize
+	dwAvailPhys usize
+}
+
+fn C.GlobalMemoryStatus(&C.MEMORYSTATUS)
+
+// nr_cpus returns the number of virtual CPU cores found on the system.
+pub fn nr_cpus() int {
+	sinfo := C.SYSTEM_INFO{}
+	C.GetSystemInfo(&sinfo)
+	mut nr := int(sinfo.dwNumberOfProcessors)
+	if nr == 0 {
+		nr = os.getenv('NUMBER_OF_PROCESSORS').int()
+	}
+	return nr
+}
+
+// total_memory returns total physical memory found on the system.
+pub fn total_memory() !usize {
+	memory_status := C.MEMORYSTATUS{}
+	C.GlobalMemoryStatus(&memory_status)
+	return memory_status.dwTotalPhys
+}
+
+// free_memory returns free physical memory found on the system.
+pub fn free_memory() !usize {
+	memory_status := C.MEMORYSTATUS{}
+	C.GlobalMemoryStatus(&memory_status)
+	return memory_status.dwAvailPhys
+}