mqueue.h 3.3 KB

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  1. /****************************************************************************
  2. * fs/mqueue/mqueue.h
  3. *
  4. * Copyright (C) 2014 Gregory Nutt. All rights reserved.
  5. * Author: Gregory Nutt <gnutt@nuttx.org>
  6. *
  7. * Redistribution and use in source and binary forms, with or without
  8. * modification, are permitted provided that the following conditions
  9. * are met:
  10. *
  11. * 1. Redistributions of source code must retain the above copyright
  12. * notice, this list of conditions and the following disclaimer.
  13. * 2. Redistributions in binary form must reproduce the above copyright
  14. * notice, this list of conditions and the following disclaimer in
  15. * the documentation and/or other materials provided with the
  16. * distribution.
  17. * 3. Neither the name NuttX nor the names of its contributors may be
  18. * used to endorse or promote products derived from this software
  19. * without specific prior written permission.
  20. *
  21. * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
  22. * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
  23. * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
  24. * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
  25. * COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
  26. * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
  27. * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
  28. * OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
  29. * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
  30. * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
  31. * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
  32. * POSSIBILITY OF SUCH DAMAGE.
  33. *
  34. ****************************************************************************/
  35. #ifndef __FS_MQUEUE_MQUEUE_H
  36. #define __FS_MQUEUE_MQUEUE_H
  37. /****************************************************************************
  38. * Included Files
  39. ****************************************************************************/
  40. #include <nuttx/config.h>
  41. /****************************************************************************
  42. * Pre-processor Definitions
  43. ****************************************************************************/
  44. /* Configuration ************************************************************/
  45. #ifndef CONFIG_FS_MQUEUE_MPATH
  46. # define CONFIG_FS_MQUEUE_MPATH "/var/mqueue"
  47. #endif
  48. /* Sizes of things */
  49. #define MAX_MQUEUE_PATH 64
  50. /****************************************************************************
  51. * Public Data
  52. ****************************************************************************/
  53. #ifdef __cplusplus
  54. #define EXTERN extern "C"
  55. extern "C"
  56. {
  57. #else
  58. #define EXTERN extern
  59. #endif
  60. /****************************************************************************
  61. * Public Function Prototypes
  62. ****************************************************************************/
  63. /****************************************************************************
  64. * Name: mq_inode_release
  65. *
  66. * Description:
  67. * Release a reference count on a message queue inode.
  68. *
  69. * Input Parameters:
  70. * inode - The message queue inode
  71. *
  72. * Returned Value:
  73. * None
  74. *
  75. ****************************************************************************/
  76. void mq_inode_release(FAR struct inode *inode);
  77. #undef EXTERN
  78. #ifdef __cplusplus
  79. }
  80. #endif
  81. #endif /* __FS_MQUEUE_MQUEUE_H */