mqueue.h 2.2 KB

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  1. /*-
  2. * SPDX-License-Identifier: BSD-2-Clause
  3. *
  4. * Copyright (c) 2005 David Xu <davidxu@freebsd.org>
  5. * All rights reserved.
  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. * 1. Redistributions of source code must retain the above copyright
  11. * notice, this list of conditions and the following disclaimer.
  12. * 2. Redistributions in binary form must reproduce the above copyright
  13. * notice, this list of conditions and the following disclaimer in the
  14. * documentation and/or other materials provided with the distribution.
  15. *
  16. * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
  17. * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  18. * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  19. * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
  20. * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  21. * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
  22. * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  23. * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
  24. * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
  25. * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  26. * SUCH DAMAGE.
  27. */
  28. #ifndef _MQUEUE_H_
  29. #define _MQUEUE_H_
  30. #include <sys/types.h>
  31. #include <sys/mqueue.h>
  32. #include <sys/signal.h>
  33. struct timespec;
  34. __BEGIN_DECLS
  35. int mq_close(mqd_t);
  36. int mq_getattr(mqd_t, struct mq_attr *);
  37. int mq_notify(mqd_t, const struct sigevent *);
  38. mqd_t mq_open(const char *, int, ...);
  39. ssize_t mq_receive(mqd_t, char *, size_t, unsigned *);
  40. int mq_send(mqd_t, const char *, size_t, unsigned);
  41. int mq_setattr(mqd_t, const struct mq_attr *__restrict,
  42. struct mq_attr *__restrict);
  43. ssize_t mq_timedreceive(mqd_t, char *__restrict, size_t,
  44. unsigned *__restrict, const struct timespec *__restrict);
  45. int mq_timedsend(mqd_t, const char *, size_t, unsigned,
  46. const struct timespec *);
  47. int mq_unlink(const char *);
  48. #if __BSD_VISIBLE
  49. int mq_getfd_np(mqd_t mqd);
  50. #endif /* __BSD_VISIBLE */
  51. __END_DECLS
  52. #endif