Changeset 1982

Timestamp:

May 8, 2005, 4:11:49 AM (20 years ago)

Author:

bird

Message:

FreeBSD 5.3, modified.

File:

• trunk/src/emx/include/sys/ipc.h (modified) (1 diff, 1 prop)

trunk/src/emx/include/sys/ipc.h ¶

@@ -1 @@
-/* sys/ipc.h (emx+gcc) */
+/*
+ * Copyright (c) 1988 University of Utah.
+ * Copyright (c) 1990, 1993
+ *      The Regents of the University of California.  All rights reserved.
+ * (c) UNIX System Laboratories, Inc.
+ * All or some portions of this file are derived from material licensed
+ * to the University of California by American Telephone and Telegraph
+ * Co. or Unix System Laboratories, Inc. and are reproduced herein with
+ * the permission of UNIX System Laboratories, Inc.
+ *
+ * This code is derived from software contributed to Berkeley by
+ * the Systems Programming Group of the University of Utah Computer
+ * Science Department.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ * 4. Neither the name of the University nor the names of its contributors
+ *    may be used to endorse or promote products derived from this software
+ *    without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ *
+ *      @(#)ipc.h       8.4 (Berkeley) 2/19/95
+ * $FreeBSD: src/sys/sys/ipc.h,v 1.24 2004/04/07 04:19:49 imp Exp $
+ */
 
-#ifndef _SYS_IPC_H
-#define _SYS_IPC_H
+/** @file
+ * FreeBSD 5.3
+ * @changed     bird: Since we don't have any legacy, use correct types.
+ * @todo        emx: #define IPC_ALLOC 0x8000
+ */
 
-#if !defined (_KEY_T)
-#define _KEY_T
-typedef long key_t;
+/*
+ * SVID compatible ipc.h file
+ */
+#ifndef _SYS_IPC_H_
+#define _SYS_IPC_H_
+
+#include <sys/cdefs.h>
+#include <sys/_types.h>
+
+#ifndef _GID_T_DECLARED
+typedef __gid_t         gid_t;
+#define _GID_T_DECLARED
 #endif
 
-#if !defined (_IPC_PERM)
-#define _IPC_PERM
-struct ipc_perm
-{
-  unsigned short uid;
-  unsigned short gid;
-  unsigned short cuid;
-  unsigned short cgid;
-  unsigned short mode;
-  unsigned short seq;
-  key_t key;
-};
+#ifndef _KEY_T_DECLARED
+typedef __key_t         key_t;
+#define _KEY_T_DECLARED
 #endif
 
-#if !defined (IPC_CREAT)
-#define IPC_CREAT   0x0200
-#define IPC_EXCL    0x0400
-#define IPC_NOWAIT  0x0800
-#define IPC_ALLOC   0x8000
-
-#define IPC_PRIVATE (key_t)0
-
-#define IPC_RMID    0
-#define IPC_SET     1
-#define IPC_STAT    2
+#ifndef _MODE_T_DECLARED
+typedef __mode_t        mode_t;
+#define _MODE_T_DECLARED
 #endif
 
-#endif /* not SYS_IPC_H */
+#ifndef _UID_T_DECLARED
+typedef __uid_t         uid_t;
+#define _UID_T_DECLARED
+#endif
+
+#ifndef __EMX__
+/*
+ * XXX almost all members have wrong types.
+ */
+#endif
+struct ipc_perm {
+#ifdef __EMX__
+        uid_t   cuid;   /* creator user id */
+        gid_t   cgid;   /* creator group id */
+        uid_t   uid;    /* user id */
+        gid_t   gid;    /* group id */
+        mode_t  mode;   /* r/w permission */
+#else
+        unsigned short  cuid;   /* creator user id */
+        unsigned short  cgid;   /* creator group id */
+        unsigned short  uid;    /* user id */
+        unsigned short  gid;    /* group id */
+        unsigned short  mode;   /* r/w permission */
+#endif
+        unsigned short  seq;    /* sequence # (to generate unique ipcid) */
+        key_t           key;    /* user specified msg/sem/shm key */
+};
+
+#if __BSD_VISIBLE
+/* common mode bits */
+#define IPC_R           000400  /* read permission */
+#define IPC_W           000200  /* write/alter permission */
+#define IPC_M           010000  /* permission to change control info */
+#endif
+
+/* SVID required constants (same values as system 5) */
+#define IPC_CREAT       001000  /* create entry if key does not exist */
+#define IPC_EXCL        002000  /* fail if key exists */
+#define IPC_NOWAIT      004000  /* error if request must wait */
+
+#define IPC_PRIVATE     (key_t)0 /* private key */
+
+#define IPC_RMID        0       /* remove identifier */
+#define IPC_SET         1       /* set options */
+#define IPC_STAT        2       /* get options */
+#if __BSD_VISIBLE
+#define IPC_INFO        3       /* get info */
+#endif
+
+#ifdef _KERNEL
+/* Macros to convert between ipc ids and array indices or sequence ids */
+#define IPCID_TO_IX(id)         ((id) & 0xffff)
+#define IPCID_TO_SEQ(id)        (((id) >> 16) & 0xffff)
+#define IXSEQ_TO_IPCID(ix,perm) (((perm.seq) << 16) | (ix & 0xffff))
+
+struct thread;
+struct proc;
+struct vmspace;
+
+int     ipcperm(struct thread *, struct ipc_perm *, int);
+extern void (*shmfork_hook)(struct proc *, struct proc *);
+extern void (*shmexit_hook)(struct vmspace *);
+
+#else /* ! _KERNEL */
+
+__BEGIN_DECLS
+key_t   ftok(const char *, int);
+__END_DECLS
+
+#endif /* _KERNEL */
+
+#endif /* !_SYS_IPC_H_ */