posix/include/aio.h

   1 /*
   2  * aio.h
   3  *
   4  * asynchronous input and output (REALTIME). Based on the Single UNIX(r)
   5  * Specification, Version 2
   6  *
   7  * This file is part of the ReactOS Operating System.
   8  *
   9  * Contributors:
  10  *  Created by KJK::Hyperion <noog@libero.it>
  11  *
  12  *  THIS SOFTWARE IS NOT COPYRIGHTED
  13  *
  14  *  This source code is offered for use in the public domain. You may
  15  *  use, modify or distribute it freely.
  16  *
  17  *  This code is distributed in the hope that it will be useful but
  18  *  WITHOUT ANY WARRANTY. ALL WARRANTIES, EXPRESS OR IMPLIED ARE HEREBY
  19  *  DISCLAMED. This includes but is not limited to warranties of
  20  *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
  21  *
  22  */
  23 #ifndef __AIO_H_INCLUDED__
  24 #define __AIO_H_INCLUDED__
  25
  26 #ifdef __PSXDLL__
  27
  28 /* headers for internal usage by psxdll.dll and ReactOS */
  29 #include <psxdll/fcntl.h>
  30 #include <psxdll/signal.h>
  31 #include <psxdll/sys/types.h>
  32 #include <psxdll/time.h>
  33
  34 #else /* ! __PSXDLL__ */
  35
  36 /* standard POSIX headers */
  37 #include <fcntl.h>
  38 #include <signal.h>
  39 #include <sys/types.h>
  40 #include <time.h>
  41
  42 #endif
  43
  44 /* types */
  45 typedef struct _tag_aiocb
  46 {
  47  int             aio_fildes     /* file descriptor */
  48  off_t           aio_offset     /* file offset */
  49  volatile void*  aio_buf        /* location of buffer
  50  size_t          aio_nbytes     /* length of transfer */
  51  int             aio_reqprio    /* request priority offset */
  52  struct sigevent aio_sigevent   /* signal number and value */
  53  int             aio_lio_opcode /* operation to be performed */
  54 } aiocb;
  55
  56 /* constants */
  57 #define AIO_CANCELED    0
  58 #define AIO_NOTCANCELED 1
  59 #define AIO_ALLDONE     2
  60
  61 #define LIO_WAIT        0
  62 #define LIO_NOWAIT      1
  63 #define LIO_READ        2
  64 #define LIO_WRITE       3
  65 #define LIO_NOP         4
  66
  67 /* prototypes */
  68 int      aio_cancel(int, struct aiocb *);
  69 int      aio_error(const struct aiocb *);
  70 int      aio_fsync(int, struct aiocb *);
  71 int      aio_read(struct aiocb *);
  72 ssize_t  aio_return(struct aiocb *);
  73 int      aio_suspend(const struct aiocb *const[], int, const struct timespec *);
  74 int      aio_write(struct aiocb *);
  75 int      lio_listio(int, struct aiocb *const[], int, struct sigevent *);
  76
  77 #endif /* __AIO_H_INCLUDED__ */
  78
  79 /* EOF */
  80