aio.h

来自「底层驱动开发」· C头文件 代码 · 共 29 行

/*
 * Copyright (C) 2004 Jeff Dike ([e-mail])
 * Licensed under the GPL
 */

#ifndef AIO_H__
#define AIO_H__

enum aio_type { AIO_READ, AIO_WRITE, AIO_MMAP };

struct aio_thread_reply {
	void *data;
	int err;
};

struct aio_context {
	int reply_fd;
	struct aio_context *next;
};

#define INIT_AIO_CONTEXT { .reply_fd	= -1, \
			   .next	= NULL }

extern int submit_aio(enum aio_type type, int fd, char *buf, int len,
		      unsigned long long offset, int reply_fd,
                      struct aio_context *aio);

#endif