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mqueue.h 1.8 KB

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  1. //
  2. // Copyright 2026 Aarav Ravindra Kharade
  3. //
  4. // Licensed under the Apache License, Version 2.0 (the "License");
  5. // you may not use this file except in compliance with the License.
  6. // You may obtain a copy of the License at
  7. //
  8. // http://www.apache.org/licenses/LICENSE-2.0
  9. //
  10. // Unless required by applicable law or agreed to in writing, software
  11. // distributed under the License is distributed on an "AS IS" BASIS,
  12. // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  13. // See the License for the specific language governing permissions and
  14. // limitations under the License.
  15. //
  16. /* Copyright (C) 2004-2026 Free Software Foundation, Inc.
  17. This file is part of the GNU C Library.
  18. The GNU C Library is free software; you can redistribute it and/or
  19. modify it under the terms of the GNU Lesser General Public
  20. License as published by the Free Software Foundation; either
  21. version 2.1 of the License, or (at your option) any later version.
  22. The GNU C Library is distributed in the hope that it will be useful,
  23. but WITHOUT ANY WARRANTY; without even the implied warranty of
  24. MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
  25. Lesser General Public License for more details.
  26. You should have received a copy of the GNU Lesser General Public
  27. License along with the GNU C Library; if not, see
  28. <https://www.gnu.org/licenses/>. */
  29. #ifndef _MQUEUE_H
  30. # error "Never use <bits/mqueue.h> directly; include <mqueue.h> instead."
  31. #endif
  32. #include <bits/types.h>
  33. typedef int mqd_t;
  34. struct mq_attr
  35. {
  36. __syscall_slong_t mq_flags; /* Message queue flags. */
  37. __syscall_slong_t mq_maxmsg; /* Maximum number of messages. */
  38. __syscall_slong_t mq_msgsize; /* Maximum message size. */
  39. __syscall_slong_t mq_curmsgs; /* Number of messages currently queued. */
  40. __syscall_slong_t __pad[4];
  41. };