dbus-pending-call.h 3.7 KB

123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687888990919293949596979899
  1. /* -*- mode: C; c-file-style: "gnu"; indent-tabs-mode: nil; -*- */
  2. /* dbus-pending-call.h Object representing a call in progress.
  3. *
  4. * Copyright (C) 2002, 2003 Red Hat Inc.
  5. *
  6. * Licensed under the Academic Free License version 2.1
  7. *
  8. * This program is free software; you can redistribute it and/or modify
  9. * it under the terms of the GNU General Public License as published by
  10. * the Free Software Foundation; either version 2 of the License, or
  11. * (at your option) any later version.
  12. *
  13. * This program is distributed in the hope that it will be useful,
  14. * but WITHOUT ANY WARRANTY; without even the implied warranty of
  15. * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
  16. * GNU General Public License for more details.
  17. *
  18. * You should have received a copy of the GNU General Public License
  19. * along with this program; if not, write to the Free Software
  20. * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
  21. *
  22. */
  23. #if !defined (DBUS_INSIDE_DBUS_H) && !defined (DBUS_COMPILATION)
  24. #error "Only <dbus/dbus.h> can be included directly, this file may disappear or change contents."
  25. #endif
  26. #ifndef DBUS_PENDING_CALL_H
  27. #define DBUS_PENDING_CALL_H
  28. #include <dbus/dbus-macros.h>
  29. #include <dbus/dbus-types.h>
  30. #include <dbus/dbus-connection.h>
  31. DBUS_BEGIN_DECLS
  32. /**
  33. * @addtogroup DBusPendingCall
  34. * @{
  35. */
  36. #define DBUS_TIMEOUT_INFINITE ((int) 0x7fffffff)
  37. #define DBUS_TIMEOUT_USE_DEFAULT (-1)
  38. DBUS_EXPORT
  39. DBusPendingCall* dbus_pending_call_ref (DBusPendingCall *pending);
  40. DBUS_EXPORT
  41. void dbus_pending_call_unref (DBusPendingCall *pending);
  42. DBUS_EXPORT
  43. dbus_bool_t dbus_pending_call_set_notify (DBusPendingCall *pending,
  44. DBusPendingCallNotifyFunction function,
  45. void *user_data,
  46. DBusFreeFunction free_user_data);
  47. DBUS_EXPORT
  48. void dbus_pending_call_cancel (DBusPendingCall *pending);
  49. DBUS_EXPORT
  50. dbus_bool_t dbus_pending_call_get_completed (DBusPendingCall *pending);
  51. DBUS_EXPORT
  52. DBusMessage* dbus_pending_call_steal_reply (DBusPendingCall *pending);
  53. DBUS_EXPORT
  54. void dbus_pending_call_block (DBusPendingCall *pending);
  55. DBUS_EXPORT
  56. dbus_bool_t dbus_pending_call_allocate_data_slot (dbus_int32_t *slot_p);
  57. DBUS_EXPORT
  58. void dbus_pending_call_free_data_slot (dbus_int32_t *slot_p);
  59. DBUS_EXPORT
  60. dbus_bool_t dbus_pending_call_set_data (DBusPendingCall *pending,
  61. dbus_int32_t slot,
  62. void *data,
  63. DBusFreeFunction free_data_func);
  64. DBUS_EXPORT
  65. void* dbus_pending_call_get_data (DBusPendingCall *pending,
  66. dbus_int32_t slot);
  67. /**
  68. * Clear a variable or struct member that contains a #DBusPendingCall.
  69. * If it does not contain #NULL, the pending call that was previously
  70. * there is unreferenced with dbus_pending_call_unref().
  71. *
  72. * This is very similar to dbus_clear_connection(): see that function
  73. * for more details.
  74. *
  75. * @param pointer_to_pending_call A pointer to a variable or struct member.
  76. * pointer_to_pending_call must not be #NULL, but *pointer_to_pending_call
  77. * may be #NULL.
  78. */
  79. static inline void
  80. dbus_clear_pending_call (DBusPendingCall **pointer_to_pending_call)
  81. {
  82. _dbus_clear_pointer_impl (DBusPendingCall, pointer_to_pending_call,
  83. dbus_pending_call_unref);
  84. }
  85. /** @} */
  86. DBUS_END_DECLS
  87. #endif /* DBUS_PENDING_CALL_H */