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Diffstat (limited to 'bits/msq.h')
| -rw-r--r-- | bits/msq.h | 47 |
1 files changed, 47 insertions, 0 deletions
diff --git a/bits/msq.h b/bits/msq.h new file mode 100644 index 0000000000..37daa9bf8c --- /dev/null +++ b/bits/msq.h @@ -0,0 +1,47 @@ +/* Copyright (C) 1995, 1997 Free Software Foundation, Inc. + This file is part of the GNU C Library. + Contributed by Ulrich Drepper <drepper@gnu.ai.mit.edu>, August 1995. + + The GNU C Library is free software; you can redistribute it and/or + modify it under the terms of the GNU Library General Public License as + published by the Free Software Foundation; either version 2 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 + Library General Public License for more details. + + You should have received a copy of the GNU Library General Public + License along with the GNU C Library; see the file COPYING.LIB. If not, + write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330, + Boston, MA 02111-1307, USA. */ + +#ifndef _SYS_MSG_H +#error "Never use <bits/msq.h> directly; include <sys/msg.h> instead." +#endif + + +#include <features.h> +#include <sys/types.h> + +/* Define options for message queue functions. */ +#define MSG_NOERROR 010000 /* no error if message is too big */ + +__BEGIN_DECLS + +/* Structure of record for one message inside the kernel. + The type `struct __msg' is opaque. */ +struct msqid_ds +{ + struct ipc_perm msg_perm; /* structure describing operation permission */ + __time_t msg_stime; /* time of last msgsnd command */ + __time_t msg_rtime; /* time of last msgrcv command */ + __time_t msg_ctime; /* time of last change */ + unsigned short int msg_qnum; /* number of messages currently on queue */ + unsigned short int msg_qbytes;/* max number of bytes allowed on queue */ + __pid_t msg_lspid; /* pid of last msgsnd() */ + __pid_t msg_lrpid; /* pid of last msgrcv() */ +}; + +__END_DECLS |