include/sys/select.h

http://www.minix3.org/ · C Header · 87 lines · 43 code · 11 blank · 33 comment · 0 complexity · 8c1581e9c10630b3c107cc5456a7d0b9 MD5 · raw file 

    

  1. /*	$NetBSD: select.h,v 1.36 2009/11/11 09:48:51 rmind Exp $	*/
    2. 

  2. 

  3. /*-
    4. 

  4.  * Copyright (c) 1992, 1993
    5. 

  5.  *	The Regents of the University of California.  All rights reserved.
    6. 

  6.  *
    7. 

  7.  * Redistribution and use in source and binary forms, with or without
    8. 

  8.  * modification, are permitted provided that the following conditions
    9. 

  9.  * are met:
    10. 

  10.  * 1. Redistributions of source code must retain the above copyright
    11. 

  11.  *    notice, this list of conditions and the following disclaimer.
    12. 

  12.  * 2. Redistributions in binary form must reproduce the above copyright
    13. 

  13.  *    notice, this list of conditions and the following disclaimer in the
    14. 

  14.  *    documentation and/or other materials provided with the distribution.
    15. 

  15.  * 3. Neither the name of the University nor the names of its contributors
    16. 

  16.  *    may be used to endorse or promote products derived from this software
    17. 

  17.  *    without specific prior written permission.
    18. 

  18.  *
    19. 

  19.  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
    20. 

  20.  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
    21. 

  21.  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
    22. 

  22.  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
    23. 

  23.  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
    24. 

  24.  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
    25. 

  25.  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
    26. 

  26.  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
    27. 

  27.  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
    28. 

  28.  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
    29. 

  29.  * SUCH DAMAGE.
    30. 

  30.  *
    31. 

  31.  *	@(#)select.h	8.2 (Berkeley) 1/4/94
    32. 

  32.  */
    33. 

  33. 

  34. #ifndef _SYS_SELECT_H_
    35. 

  35. #define	_SYS_SELECT_H_
    36. 

  36. 

  37. #include <sys/cdefs.h>
    38. 

  38. #include <sys/featuretest.h>
    39. 

  39. #include <sys/fd_set.h>
    40. 

  40. 

  41. #ifdef _KERNEL
    42. 

  42. #include <sys/selinfo.h>		/* for struct selinfo */
    43. 

  43. #include <sys/signal.h>			/* for sigset_t */
    44. 

  44. 

  45. struct lwp;
    46. 

  46. struct proc;
    47. 

  47. struct timespec;
    48. 

  48. struct cpu_info;
    49. 

  49. struct socket;
    50. 

  50. 

  51. int	selcommon(register_t *, int, fd_set *, fd_set *, fd_set *,
    52. 

  52.     struct timespec *, sigset_t *);
    53. 

  53. void	selrecord(struct lwp *selector, struct selinfo *);
    54. 

  54. void	selnotify(struct selinfo *, int, long);
    55. 

  55. void	selsysinit(struct cpu_info *);
    56. 

  56. void	selinit(struct selinfo *);
    57. 

  57. void	seldestroy(struct selinfo *);
    58. 

  58. int	pollsock(struct socket *, const struct timespec *, int);
    59. 

  59. 

  60. #else /* _KERNEL */
    61. 

  61. 

  62. #include <sys/sigtypes.h>
    63. 

  63. #include <time.h>
    64. 

  64. 

  65. __BEGIN_DECLS
    66. 

  66. #ifndef __LIBC12_SOURCE__
    67. 

  67. #ifndef __minix
    68. 

  68. int	pselect(int, fd_set * __restrict, fd_set * __restrict,
    69. 

  69.     fd_set * __restrict, const struct timespec * __restrict,
    70. 

  70.     const sigset_t * __restrict) __RENAME(__pselect50);
    71. 

  71. #endif /* !__minix */
    72. 

  72. int	select(int, fd_set * __restrict, fd_set * __restrict,
    73. 

  73.     fd_set * __restrict, struct timeval * __restrict) __RENAME(__select50);
    74. 

  74. #endif /* __LIBC12_SOURCE__ */
    75. 

  75. __END_DECLS
    76. 

  76. #endif /* _KERNEL */
    77. 

  77. 

  78. #ifdef _MINIX
    79. 

  79. /* possible select() operation types; read, write, errors */
    80. 

  80. /* (FS/driver internal use only) */
    81. 

  81. #define SEL_RD		(1 << 0)
    82. 

  82. #define SEL_WR		(1 << 1)
    83. 

  83. #define SEL_ERR		(1 << 2)
    84. 

  84. #define SEL_NOTIFY	(1 << 3) /* not a real select operation */
    85. 

  85. #endif
    86. 

  86. 

  87. #endif /* !_SYS_SELECT_H_ */
    88.