From 1b82c6c77d566ce3977c83b7ca47f09aac31e525 Mon Sep 17 00:00:00 2001 From: Ulrich Drepper Date: Tue, 13 Apr 2004 02:15:43 +0000 Subject: Update. 2004-04-08 Ulrich Drepper * rt/tst-mqueue3.c: New file. * rt/Makefile (tests): Add tst-mqueue3. 2004-04-08 Jakub Jelinek * rt/tst-mqueue1.c: New file. * rt/tst-mqueue2.c: New file. * rt/tst-mqueue4.c: New file. * rt/Makefile (tests): Add tst-mqueue1, tst-mqueue2, tst-mqueue4. * rt/Versions (librt): Add mq_*@@GLIBC_2.3.4. * rt/Makefile (headers): Add mqueue.h and bits/mqueue.h. (mq-routines): Set. (librt-routines): Use it. * rt/mqueue.h: New file. * include/mqueue.h: New file. * sysdeps/generic/bits/mqueue.h: New file. * sysdeps/generic/mq_setattr.c: New file. * sysdeps/generic/mq_getattr.c: New file. * sysdeps/generic/mq_notify.c: New file. * sysdeps/generic/mq_close.c: New file. * sysdeps/generic/mq_send.c: New file. * sysdeps/generic/mq_unlink.c: New file. * sysdeps/generic/mq_receive.c: New file. * sysdeps/generic/mq_timedreceive.c: New file. * sysdeps/generic/mq_timedsend.c: New file. * sysdeps/generic/mq_open.c: New file. * sysdeps/unix/sysv/linux/bits/local_lim.h (MQ_PRIO_MAX): Define. * sysdeps/unix/sysv/linux/bits/mqueue.h: New file. * sysdeps/unix/sysv/linux/syscalls.list: Add mq_timedsend, mq_timedreceive and mq_setattr. * sysdeps/unix/sysv/linux/mq_getattr.c: New file. * sysdeps/unix/sysv/linux/mq_notify.c: New file. * sysdeps/unix/sysv/linux/mq_close.c: New file. * sysdeps/unix/sysv/linux/mq_send.c: New file. * sysdeps/unix/sysv/linux/mq_unlink.c: New file. * sysdeps/unix/sysv/linux/mq_receive.c: New file. * sysdeps/unix/sysv/linux/mq_open.c: New file. 2004-04-09 Thorsten Kukuk * sysdeps/s390/ffs.c: Don't add ffsl weak alias on s390x. 2004-04-09 Steven Munroe * sysdeps/unix/sysv/linux/powerpc/powerpc64/umount.c: New file. --- rt/mqueue.h | 91 +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 91 insertions(+) create mode 100644 rt/mqueue.h (limited to 'rt/mqueue.h') diff --git a/rt/mqueue.h b/rt/mqueue.h new file mode 100644 index 0000000000..42313b192b --- /dev/null +++ b/rt/mqueue.h @@ -0,0 +1,91 @@ +/* Copyright (C) 2004 Free Software Foundation, Inc. + This file is part of the GNU C Library. + Contributed by Jakub Jelinek , 2004. + + The GNU C Library 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. + + The GNU C Library 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 the GNU C Library; if not, write to the Free + Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA + 02111-1307 USA. */ + +#ifndef _MQUEUE_H +#define _MQUEUE_H 1 + +#include +#include +#include +#define __need_sigevent_t +#include +#define __need_timespec +#include +/* Get the definition of mqd_t and struct mq_attr. */ +#include + +__BEGIN_DECLS + +/* Establish connection between a process and a message queue NAME and + return message queue descriptor or (mqd_t) -1 on error. OFLAG determines + the type of access used. If O_CREAT is on OFLAG, the third argument is + taken as a `mode_t', the mode of the created message queue, and the fourth + argument is taken as `struct mq_attr *', pointer to message queue + attributes. If the fourth argument is NULL, default attributes are + used. */ +extern mqd_t mq_open (const char *__name, int __oflag, ...) __THROW; + +/* Removes the association between message queue descriptor MQDES and its + message queue. */ +extern int mq_close (mqd_t __mqdes) __THROW; + +/* Query status and attributes of message queue MQDES. */ +extern int mq_getattr (mqd_t __mqdes, struct mq_attr *__mqstat) __THROW; + +/* Set attributes associated with message queue MQDES and if OMQSTAT is + not NULL also query its old attributes. */ +extern int mq_setattr (mqd_t __mqdes, + const struct mq_attr *__restrict __mqstat, + struct mq_attr *__restrict __omqstat) __THROW; + +/* Remove message queue named NAME. */ +extern int mq_unlink (const char *__name) __THROW; + +/* Register notification upon message arrival to an empty message queue + MQDES. */ +extern int mq_notify (mqd_t __mqdes, const struct sigevent *__notification) + __THROW; + +/* Receive the oldest from highest priority messages in message queue + MQDES. */ +extern ssize_t mq_receive (mqd_t __mqdes, char *__msg_ptr, size_t __msg_len, + unsigned int *__msg_prio); + +/* Add message pointed by MSG_PTR to message queue MQDES. */ +extern int mq_send (mqd_t __mqdes, const char *__msg_ptr, size_t __msg_len, + unsigned int __msg_prio); + +#ifdef __USE_XOPEN2K +/* Receive the oldest from highest priority messages in message queue + MQDES, stop waiting if ABS_TIMEOUT expires. */ +extern ssize_t mq_timedreceive (mqd_t __mqdes, char *__restrict __msg_ptr, + size_t __msg_len, + unsigned int *__restrict __msg_prio, + const struct timespec *__restrict __abs_timeout); + +/* Add message pointed by MSG_PTR to message queue MQDES, stop blocking + on full message queue if ABS_TIMEOUT expires. */ +extern int mq_timedsend (mqd_t __mqdes, const char *__msg_ptr, + size_t __msg_len, unsigned int __msg_prio, + const struct timespec *__abs_timeout); +#endif + +__END_DECLS + +#endif /* mqueue.h */ -- cgit 1.4.1