Replace sync with sync2

core/sync/futex_windows.odin

@@ -0,0 +1,38 @@
+//+private
+//+build windows
+package sync2
+
+import "core:time"
+
+foreign import Synchronization "system:Synchronization.lib"
+
+@(default_calling_convention="stdcall")
+foreign Synchronization {
+	WaitOnAddress       :: proc(Address: rawptr, CompareAddress: rawptr, AddressSize: uint, Timeout: u32) -> b32 ---
+	WakeByAddressSingle :: proc(Address: rawptr) ---
+	WakeByAddressAll    :: proc(Address: rawptr) ---
+}
+
+
+
+_futex_wait :: proc(f: ^Futex, expect: u32) -> bool {
+	expect := expect
+	return bool(WaitOnAddress(f, &expect, size_of(expect), ~u32(0)))
+}
+
+_futex_wait_with_timeout :: proc(f: ^Futex, expect: u32, duration: time.Duration) -> bool {
+	expect := expect
+	timeout := u32(0)
+	if duration > 0 {
+		timeout = u32(duration/1e6)
+	}
+	return bool(WaitOnAddress(f, &expect, size_of(expect), timeout))
+}
+
+_futex_signal :: proc(f: ^Futex) {
+	WakeByAddressSingle(f)
+}
+
+_futex_broadcast :: proc(f: ^Futex) {
+	WakeByAddressAll(f)
+}