httpc support windows

pkg/ant.httpc/make.lua

@@ -6,9 +6,11 @@ lm:lua_source "httpc" {
 	},
 	windows = {
 		sources = {
-			"src/download_win.c",
+			"src/httpc.cpp",
 		},
-		links = "urlmon",
+		links = {
+			"Wininet",
+		}
 	},
 	macos = {
 		sources = {

pkg/ant.httpc/src/channel.h

@@ -0,0 +1,33 @@
+#pragma once
+
+#include <mutex>
+#include <vector>
+#include <bee/thread/spinlock.h>
+
+#if defined(__APPLE__)
+typedef void(^SelectHandler)(void* data);
+#else
+#include <functional>
+using SelectHandler = std::function<void(void*)>;
+#endif
+
+class MessageChannel {
+public:
+    void push(void* data) {
+        std::unique_lock<bee::spinlock> lk(mutex);
+        queue.push_back(data);
+    }
+    void select(SelectHandler handler) {
+        std::unique_lock<bee::spinlock> lk(mutex);
+        if (queue.empty()) {
+            return;
+        }
+        for (void* data: queue) {
+            handler(data);
+        }
+        queue.clear();
+    }
+private:
+    std::vector<void*> queue;
+    bee::spinlock mutex;
+};