Add in support for shm/ipc.

3 files changed, 95 insertions, 0 deletions

diff --git a/include/features.h b/include/features.h
index dd2c5ae03..bc80fc541 100644
--- a/include/features.h
+++ b/include/features.h
@@ -52,6 +52,7 @@
 #define __USE_MISC
 #define __USE_POSIX
 #define __USE_POSIX2
+#define __USE_XOPEN
 #define _POSIX_THREAD_SAFE_FUNCTIONS
 
 
diff --git a/include/sys/ipc.h b/include/sys/ipc.h
new file mode 100644
index 000000000..f1ba7ff18
--- /dev/null
+++ b/include/sys/ipc.h
@@ -0,0 +1,38 @@
+/* Copyright (C) 1995, 1996, 1997 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_IPC_H
+#define _SYS_IPC_H	1
+
+#include <features.h>
+
+/* Get system dependent definition of `struct ipc_perm' and more.  */
+#include <bits/ipc.h>
+
+#if !defined __USE_SVID && !defined __USE_XOPEN && __GNUC__ >= 2
+# warning "Files using this header must be compiled with _SVID_SOURCE or _XOPEN_SOURCE"
+#endif
+
+__BEGIN_DECLS
+
+/* Generates key for System V style IPC.  */
+extern key_t ftok __P ((__const char *__pathname, int __proj_id));
+
+__END_DECLS
+
+#endif /* sys/ipc.h */
diff --git a/include/sys/shm.h b/include/sys/shm.h
new file mode 100644
index 000000000..09e21d60e
--- /dev/null
+++ b/include/sys/shm.h
@@ -0,0 +1,56 @@
+/* Copyright (C) 1995, 1996, 1997, 1998, 1999 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_SHM_H
+#define _SYS_SHM_H	1
+
+#include <features.h>
+
+#include <unistd.h>		/* for `getpagesize' declaration */
+#include <sys/types.h>
+
+/* Get common definition of System V style IPC.  */
+#include <sys/ipc.h>
+
+/* Get system dependent definition of `struct shmid_ds' and more.  */
+#include <bits/shm.h>
+
+
+/* Segment low boundary address multiple.  */
+#define SHMLBA		(getpagesize ())
+
+/* The following System V style IPC functions implement a shared memory
+   facility.  The definition is found in XPG4.2.  */
+
+__BEGIN_DECLS
+
+/* Shared memory control operation.  */
+extern int shmctl __P ((int __shmid, int __cmd, struct shmid_ds *__buf));
+
+/* Get shared memory segment.  */
+extern int shmget __P ((key_t __key, size_t __size, int __shmflg));
+
+/* Attach shared memory segment.  */
+extern void *shmat __P ((int __shmid, __const void *__shmaddr, int __shmflg));
+
+/* Detach shared memory segment.  */
+extern int shmdt __P ((__const void *__shmaddr));
+
+__END_DECLS
+
+#endif /* sys/shm.h */