Building with MSVC

msvc_thread_atomic.h

@@ -0,0 +1,31 @@
+#pragma once
+#include <Windows.h>
+
+typedef volatile LONG atomic_int;
+typedef atomic_int atomic_bool;
+
+static void atomic_store(atomic_int* ptr, LONG val) {
+    InterlockedExchange(ptr, val);
+}
+static LONG atomic_load(atomic_int* ptr) {
+    return InterlockedCompareExchange(ptr, 0, 0);
+}
+static LONG atomic_fetch_add(atomic_int* ptr, LONG inc) {
+    return InterlockedExchangeAdd(ptr, inc);
+}
+static LONG atomic_fetch_sub(atomic_int* ptr, LONG dec) {
+    return atomic_fetch_add(ptr, -(dec));
+}
+
+typedef HANDLE pthread_t;
+
+typedef DWORD thread_ret_t;
+static int pthread_create(pthread_t* out, void* unused, thread_ret_t(*func)(void*), void* arg) {
+    out = CreateThread(NULL, 0, func, arg, 0, NULL);
+    return out != NULL;
+}
+
+static int pthread_join(pthread_t thread, void* unused) {
+    return (int) WaitForSingleObject(thread, INFINITE);
+}
+