msq.h 2.3 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) 1995-2026 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 _SYS_MSG_H
  30. # error "Never use <bits/msq.h> directly; include <sys/msg.h> instead."
  31. #endif
  32. #include <bits/types.h>
  33. /* Types used in the MSQID_DS structure definition. */
  34. typedef __syscall_ulong_t msgqnum_t;
  35. typedef __syscall_ulong_t msglen_t;
  36. #include <bits/types/struct_msqid_ds.h>
  37. #include <bits/types/struct_msqid64_ds.h>
  38. /* Define options for message queue functions. */
  39. #define MSG_NOERROR 010000 /* no error if message is too big */
  40. #ifdef __USE_GNU
  41. # define MSG_EXCEPT 020000 /* recv any msg except of specified type */
  42. # define MSG_COPY 040000 /* copy (not remove) all queue messages */
  43. #endif
  44. #ifdef __USE_MISC
  45. # define msg_cbytes __msg_cbytes
  46. /* ipcs ctl commands */
  47. # define MSG_STAT 11
  48. # define MSG_INFO 12
  49. # define MSG_STAT_ANY 13
  50. /* buffer for msgctl calls IPC_INFO, MSG_INFO */
  51. struct msginfo
  52. {
  53. int msgpool;
  54. int msgmap;
  55. int msgmax;
  56. int msgmnb;
  57. int msgmni;
  58. int msgssz;
  59. int msgtql;
  60. unsigned short int msgseg;
  61. };
  62. #endif /* __USE_MISC */