1 files changed, 49 insertions, 0 deletions
diff --git a/src/spawner.hh b/src/spawner.hh
new file mode 100644
index 0000000..c4f511b
--- /dev/null
+++ b/src/spawner.hh
@@ -0,0 +1,49 @@
+#ifndef SPAWNER_HH
+#define SPAWNER_HH
+
+#include <cstdint>
+#include <expected>
+#include <memory>
+
+namespace io {
+class Reader;
+class Writer;
+};  // namespace io
+
+class Process {
+ public:
+  virtual ~Process() = default;
+
+  virtual io::Reader& reader() const = 0;
+  virtual io::Writer& writer() const = 0;
+
+ protected:
+  Process() = default;
+  Process(Process const&) = delete;
+  Process& operator=(Process const&) = delete;
+};
+
+class Spawner {
+ public:
+  enum class Exec : uint8_t {
+    kImageProcessor,
+  };
+
+  enum class Error : uint8_t {
+    kError,
+  };
+
+  virtual ~Spawner() = default;
+
+  [[nodiscard]]
+  virtual std::expected<std::unique_ptr<Process>, Error> run(Exec exec) = 0;
+
+  static std::expected<std::unique_ptr<Spawner>, Error> create();
+
+ protected:
+  Spawner() = default;
+  Spawner(Spawner const&) = delete;
+  Spawner& operator=(Spawner const&) = delete;
+};
+
+#endif  // SPAWNER_HH