63159f5dcc
Both x32 and x86-64 use the same struct mq_attr for system calls. But x32 long is 32-bit. This patch replaces long with __kernel_long_t in struct mq_attr. Signed-off-by: H.J. Lu <hjl.tools@gmail.com> Link: http://lkml.kernel.org/r/1388182464-28428-9-git-send-email-hjl.tools@gmail.com Signed-off-by: H. Peter Anvin <hpa@zytor.com>
53 lines
2.1 KiB
C
53 lines
2.1 KiB
C
/* Copyright (C) 2003 Krzysztof Benedyczak & Michal Wronski
|
|
|
|
This program is free software; you can redistribute it and/or
|
|
modify it under the terms of the GNU Lesser General Public
|
|
License as published by the Free Software Foundation; either
|
|
version 2.1 of the License, or (at your option) any later version.
|
|
|
|
It is distributed in the hope that it will be useful,
|
|
but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
|
|
Lesser General Public License for more details.
|
|
|
|
You should have received a copy of the GNU Lesser General Public
|
|
License along with this software; if not, write to the Free
|
|
Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
|
|
02111-1307 USA. */
|
|
|
|
#ifndef _LINUX_MQUEUE_H
|
|
#define _LINUX_MQUEUE_H
|
|
|
|
#define MQ_PRIO_MAX 32768
|
|
/* per-uid limit of kernel memory used by mqueue, in bytes */
|
|
#define MQ_BYTES_MAX 819200
|
|
|
|
struct mq_attr {
|
|
__kernel_long_t mq_flags; /* message queue flags */
|
|
__kernel_long_t mq_maxmsg; /* maximum number of messages */
|
|
__kernel_long_t mq_msgsize; /* maximum message size */
|
|
__kernel_long_t mq_curmsgs; /* number of messages currently queued */
|
|
__kernel_long_t __reserved[4]; /* ignored for input, zeroed for output */
|
|
};
|
|
|
|
/*
|
|
* SIGEV_THREAD implementation:
|
|
* SIGEV_THREAD must be implemented in user space. If SIGEV_THREAD is passed
|
|
* to mq_notify, then
|
|
* - sigev_signo must be the file descriptor of an AF_NETLINK socket. It's not
|
|
* necessary that the socket is bound.
|
|
* - sigev_value.sival_ptr must point to a cookie that is NOTIFY_COOKIE_LEN
|
|
* bytes long.
|
|
* If the notification is triggered, then the cookie is sent to the netlink
|
|
* socket. The last byte of the cookie is replaced with the NOTIFY_?? codes:
|
|
* NOTIFY_WOKENUP if the notification got triggered, NOTIFY_REMOVED if it was
|
|
* removed, either due to a close() on the message queue fd or due to a
|
|
* mq_notify() that removed the notification.
|
|
*/
|
|
#define NOTIFY_NONE 0
|
|
#define NOTIFY_WOKENUP 1
|
|
#define NOTIFY_REMOVED 2
|
|
|
|
#define NOTIFY_COOKIE_LEN 32
|
|
|
|
#endif
|