diff options
Diffstat (limited to 'include/linux/mqueue.h')
| -rw-r--r-- | include/linux/mqueue.h | 53 |
1 files changed, 0 insertions, 53 deletions
diff --git a/include/linux/mqueue.h b/include/linux/mqueue.h deleted file mode 100644 index 8b5a79615fbf..000000000000 --- a/include/linux/mqueue.h +++ /dev/null | |||
| @@ -1,53 +0,0 @@ | |||
| 1 | /* Copyright (C) 2003 Krzysztof Benedyczak & Michal Wronski | ||
| 2 | |||
| 3 | This program 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 | |||
| 8 | It is distributed in the hope that it will be useful, | ||
| 9 | but WITHOUT ANY WARRANTY; without even the implied warranty of | ||
| 10 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | ||
| 11 | Lesser General Public License for more details. | ||
| 12 | |||
| 13 | You should have received a copy of the GNU Lesser General Public | ||
| 14 | License along with this software; if not, write to the Free | ||
| 15 | Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA | ||
| 16 | 02111-1307 USA. */ | ||
| 17 | |||
| 18 | #ifndef _LINUX_MQUEUE_H | ||
| 19 | #define _LINUX_MQUEUE_H | ||
| 20 | |||
| 21 | #define MQ_PRIO_MAX 32768 | ||
| 22 | /* per-uid limit of kernel memory used by mqueue, in bytes */ | ||
| 23 | #define MQ_BYTES_MAX 819200 | ||
| 24 | |||
| 25 | struct mq_attr { | ||
| 26 | long mq_flags; /* message queue flags */ | ||
| 27 | long mq_maxmsg; /* maximum number of messages */ | ||
| 28 | long mq_msgsize; /* maximum message size */ | ||
| 29 | long mq_curmsgs; /* number of messages currently queued */ | ||
| 30 | long __reserved[4]; /* ignored for input, zeroed for output */ | ||
| 31 | }; | ||
| 32 | |||
| 33 | /* | ||
| 34 | * SIGEV_THREAD implementation: | ||
| 35 | * SIGEV_THREAD must be implemented in user space. If SIGEV_THREAD is passed | ||
| 36 | * to mq_notify, then | ||
| 37 | * - sigev_signo must be the file descriptor of an AF_NETLINK socket. It's not | ||
| 38 | * necessary that the socket is bound. | ||
| 39 | * - sigev_value.sival_ptr must point to a cookie that is NOTIFY_COOKIE_LEN | ||
| 40 | * bytes long. | ||
| 41 | * If the notification is triggered, then the cookie is sent to the netlink | ||
| 42 | * socket. The last byte of the cookie is replaced with the NOTIFY_?? codes: | ||
| 43 | * NOTIFY_WOKENUP if the notification got triggered, NOTIFY_REMOVED if it was | ||
| 44 | * removed, either due to a close() on the message queue fd or due to a | ||
| 45 | * mq_notify() that removed the notification. | ||
| 46 | */ | ||
| 47 | #define NOTIFY_NONE 0 | ||
| 48 | #define NOTIFY_WOKENUP 1 | ||
| 49 | #define NOTIFY_REMOVED 2 | ||
| 50 | |||
| 51 | #define NOTIFY_COOKIE_LEN 32 | ||
| 52 | |||
| 53 | #endif | ||
