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authorEric Andersen <andersen@codepoet.org>2001-05-26 00:00:27 +0000
committerEric Andersen <andersen@codepoet.org>2001-05-26 00:00:27 +0000
commit9799b984482f7ce54d7f627561539116eb9931ca (patch)
tree7fc63291aea6e5902ad9a0bf5f0fb2345db69be2 /include/sys/msg.h
parentb1117fc3109dd2b13d5bbbb57043f67d1105fbe3 (diff)
Add in message queue support, based on work from <tapu@371.net>.
This is required to compile util-linux
Diffstat (limited to 'include/sys/msg.h')
-rw-r--r--include/sys/msg.h75
1 files changed, 75 insertions, 0 deletions
diff --git a/include/sys/msg.h b/include/sys/msg.h
new file mode 100644
index 000000000..cba58b364
--- /dev/null
+++ b/include/sys/msg.h
@@ -0,0 +1,75 @@
+/* Copyright (C) 1995, 1996, 1997, 1999, 2000 Free Software Foundation, Inc.
+ This file is part of the GNU C Library.
+
+ 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
+#define _SYS_MSG_H
+
+#include <features.h>
+
+/* Get common definition of System V style IPC. */
+#include <sys/ipc.h>
+
+/* Get system dependent definition of `struct msqid_ds' and more. */
+#include <bits/msq.h>
+
+/* Define types required by the standard. */
+#define __need_time_t
+#include <time.h>
+
+#ifndef __pid_t_defined
+typedef __pid_t pid_t;
+# define __pid_t_defined
+#endif
+
+#ifndef __ssize_t_defined
+typedef __ssize_t ssize_t;
+# define __ssize_t_defined
+#endif
+
+/* The following System V style IPC functions implement a message queue
+ system. The definition is found in XPG2. */
+
+#ifdef __USE_GNU
+/* Template for struct to be used as argument for `msgsnd' and `msgrcv'. */
+struct msgbuf
+ {
+ long int mtype; /* type of received/sent message */
+ char mtext[1]; /* text of the message */
+ };
+#endif
+
+
+__BEGIN_DECLS
+
+/* Message queue control operation. */
+extern int msgctl (int __msqid, int __cmd, struct msqid_ds *__buf);
+
+/* Get messages queue. */
+extern int msgget (key_t __key, int __msgflg);
+
+/* Receive message from message queue. */
+extern int msgrcv (int __msqid, void *__msgp, size_t __msgsz,
+ long int __msgtyp, int __msgflg);
+
+/* Send message to message queue. */
+extern int msgsnd (int __msqid, __const void *__msgp, size_t __msgsz,
+ int __msgflg);
+
+__END_DECLS
+
+#endif /* sys/msg.h */