Add injector

loader/src/include/socket_utils.h

@@ -0,0 +1,20 @@
+#pragma once
+
+#include <string>
+
+#include "logging.h"
+
+namespace socket_utils {
+
+    ssize_t xread(int fd, void *buf, size_t count);
+
+    ssize_t xwrite(int fd, const void *buf, size_t count);
+
+    size_t read_usize(int fd);
+
+    std::string read_string(int fd);
+
+    bool write_u8(int fd, uint8_t val);
+
+    int recv_fd(int fd);
+}