import RT-Thread@9217865c without bsp, libcpu and components/net

components/libc/posix/io/aio/aio.h

@@ -0,0 +1,47 @@
+/*
+ * Copyright (c) 2006-2021, RT-Thread Development Team
+ *
+ * SPDX-License-Identifier: Apache-2.0
+ *
+ * Change Logs:
+ * Date           Author       Notes
+ * 2017/12/30     Bernard      The first version.
+ */
+
+#ifndef __AIO_H__
+#define __AIO_H__
+
+#include <stdio.h>
+#include <sys/signal.h>
+#include <rtdevice.h>
+
+struct aiocb
+{
+    int aio_fildes;         /* File descriptor. */
+    off_t aio_offset;       /* File offset. */
+
+    volatile void *aio_buf; /* Location of buffer. */
+    size_t aio_nbytes;      /* Length of transfer. */
+    int aio_reqprio;        /* Request priority offset. */
+    struct sigevent aio_sigevent; /* Signal number and value. */
+    int aio_lio_opcode;     /* Operation to be performed. */
+
+    int aio_result;
+    struct rt_work aio_work;
+};
+
+int aio_cancel(int fd, struct aiocb *cb);
+int aio_error (const struct aiocb *cb);
+
+int aio_fsync(int op, struct aiocb *cb);
+
+int aio_read(struct aiocb *cb);
+ssize_t  aio_return(struct aiocb *cb);
+int aio_suspend(const struct aiocb *const list[], int nent,
+             const struct timespec *timeout);
+int aio_write(struct aiocb *cb);
+
+int lio_listio(int mode, struct aiocb * const list[], int nent,
+            struct sigevent *sig);
+
+#endif