mqueue.h 1.1 KB

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  1. /* Copyright (C) 2004 Free Software Foundation, Inc.
  2. This file is part of the GNU C Library.
  3. The GNU C Library is free software; you can redistribute it and/or
  4. modify it under the terms of the GNU Lesser General Public
  5. License as published by the Free Software Foundation; either
  6. version 2.1 of the License, or (at your option) any later version.
  7. The GNU C Library is distributed in the hope that it will be useful,
  8. but WITHOUT ANY WARRANTY; without even the implied warranty of
  9. MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
  10. Lesser General Public License for more details.
  11. You should have received a copy of the GNU Lesser General Public
  12. License along with the GNU C Library; if not, see
  13. <http://www.gnu.org/licenses/>. */
  14. #ifndef _MQUEUE_H
  15. # error "Never use <bits/mqueue.h> directly; include <mqueue.h> instead."
  16. #endif
  17. typedef int mqd_t;
  18. struct mq_attr
  19. {
  20. long int mq_flags; /* Message queue flags. */
  21. long int mq_maxmsg; /* Maximum number of messages. */
  22. long int mq_msgsize; /* Maximum message size. */
  23. long int mq_curmsgs; /* Number of messages currently queued. */
  24. long int __pad[4];
  25. };