Refactor project, offer uio variant of region-rw

1 files changed, 27 insertions, 0 deletions

diff --git a/src/io/io.h b/src/io/io.h
new file mode 100644
index 0000000..8a0639b
--- /dev/null
+++ b/src/io/io.h
@@ -0,0 +1,27 @@
+#pragma once
+
+#include <stddef.h>
+#include <stdbool.h>
+#include <sys/types.h> // pid_t
+
+struct io {
+   void *backing;
+   size_t (*read)(const struct io *io, void *ptr, const size_t offset, const size_t size);
+   size_t (*write)(const struct io *io, const void *ptr, const size_t offset, const size_t size);
+   void (*cleanup)(struct io *io);
+   pid_t pid;
+};
+
+static inline void
+io_release(struct io *io)
+{
+   if (io->cleanup)
+      io->cleanup(io);
+   *io = (struct io){0};
+}
+
+bool
+io_uio_init(struct io *io, const pid_t pid);
+
+bool
+io_ptrace_init(struct io *io, const pid_t pid);