revert of mass delete of the posix subsystem. perhaps there is hope for it yet.

svn path=/trunk/; revision=3674

posix/include/sys/ipc.h

@@ -0,0 +1,64 @@
+/* $Id: ipc.h,v 1.5 2002/10/29 04:45:19 rex Exp $
+ */
+/*
+ * sys/ipc.h
+ *
+ * interprocess communication access structure. Conforming to the Single
+ * UNIX(r) Specification Version 2, System Interface & Headers Issue 5
+ *
+ * This file is part of the ReactOS Operating System.
+ *
+ * Contributors:
+ *  Created by KJK::Hyperion <noog@libero.it>
+ *
+ *  THIS SOFTWARE IS NOT COPYRIGHTED
+ *
+ *  This source code is offered for use in the public domain. You may
+ *  use, modify or distribute it freely.
+ *
+ *  This code is distributed in the hope that it will be useful but
+ *  WITHOUT ANY WARRANTY. ALL WARRANTIES, EXPRESS OR IMPLIED ARE HEREBY
+ *  DISCLAMED. This includes but is not limited to warranties of
+ *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
+ *
+ */
+#ifndef __SYS_IPC_H_INCLUDED__
+#define __SYS_IPC_H_INCLUDED__
+
+/* INCLUDES */
+
+/* OBJECTS */
+
+/* TYPES */
+struct ipc_perm
+{
+ uid_t  uid;  /* owner's user ID */
+ gid_t  gid;  /* owner's group ID */
+ uid_t  cuid; /* creator's user ID */
+ gid_t  cgid; /* creator's group ID */
+ mode_t mode; /* read/write permission */
+};
+
+/* CONSTANTS */
+/* Mode bits */
+#define IPC_CREAT  (0x00000200) /* Create entry if key does not exist */
+#define IPC_EXCL   (0x00000400) /* Fail if key exists */
+#define IPC_NOWAIT (0x00000800) /* Error if request must wait */
+
+/* Keys */
+#define IPC_PRIVATE (0xFFFFFFFF) /* Private key */
+
+/* Control commands */
+#define IPC_RMID (1) /* Remove identifier */
+#define IPC_SET  (2) /* Set options */
+#define IPC_STAT (3) /* Get options */
+
+/* PROTOTYPES */
+key_t  ftok(const char *, int);
+
+/* MACROS */
+
+#endif /* __SYS_IPC_H_INCLUDED__ */
+
+/* EOF */
+