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kernel/linux-rt-4.4.41/arch/um/include/shared/aio.h 530 Bytes
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  /*
   * Copyright (C) 2004 Jeff Dike (jdike@karaya.com)
   * 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