Setup aio skeleton

5 files changed, 70 insertions, 0 deletions

diff --git a/src/aio/CMakeLists.txt b/src/aio/CMakeLists.txt
new file mode 100644
index 0000000..3f4561a
--- /dev/null
+++ b/src/aio/CMakeLists.txt
@@ -0,0 +1,6 @@
+set(src
+    "src/close.c"
+    "src/open.c"
+)
+add_library(aio ${src})
+target_include_directories(aio PUBLIC "include" PRIVATE "private_include")
diff --git a/src/aio/include/aio.h b/src/aio/include/aio.h
new file mode 100644
index 0000000..39a53e5
--- /dev/null
+++ b/src/aio/include/aio.h
@@ -0,0 +1,17 @@
+#ifndef AIO_H
+#define AIO_H
+
+#include <stddef.h>
+
+enum
+{
+    AIO_POLLIN = 1,
+    AIO_POLLOUT = 1 << 1
+};
+
+struct aio *aio_open(const char *path, const char *mode);
+int aio_poll(struct aio **io, size_t n);
+int aio_event(const struct aio *io, int ev);
+int aio_close(struct aio *io);
+
+#endif
diff --git a/src/aio/private_include/aio/types.h b/src/aio/private_include/aio/types.h
new file mode 100644
index 0000000..31ee414
--- /dev/null
+++ b/src/aio/private_include/aio/types.h
@@ -0,0 +1,16 @@
+#ifndef AIO_PRV_OPEN_H
+#define AIO_PRV_OPEN_H
+
+enum aio_state
+{
+    AIO_OK,
+    AIO_AGAIN,
+    AIO_FATAL
+};
+
+struct aio
+{
+    enum aio_state (*next)(struct aio *);
+};
+
+#endif
diff --git a/src/aio/src/close.c b/src/aio/src/close.c
new file mode 100644
index 0000000..a9ec348
--- /dev/null
+++ b/src/aio/src/close.c
@@ -0,0 +1,16 @@
+#include <aio.h>
+#include <errno.h>
+#include <stdio.h>
+#include <stdlib.h>
+
+int aio_close(struct aio *const aio)
+{
+    if (!aio)
+    {
+        errno = EINVAL;
+        return EOF;
+    }
+
+    free(aio);
+    return 0;
+}
diff --git a/src/aio/src/open.c b/src/aio/src/open.c
new file mode 100644
index 0000000..6689051
--- /dev/null
+++ b/src/aio/src/open.c
@@ -0,0 +1,15 @@
+#include <aio/types.h>
+#include <stddef.h>
+#include <stdlib.h>
+
+struct aio *aio_open(const char *const path, const char *const mode)
+{
+    struct aio *const ret = malloc(sizeof *ret);
+
+    if (!ret)
+        goto failure;
+
+failure:
+    free(ret);
+    return NULL;
+}