From 0f2ae33aa7505656b5bea3f5d1dd089480e98546 Mon Sep 17 00:00:00 2001
From: scottc <scottc>
Date: Sat, 21 Sep 2002 13:11:43 +0000
Subject: Merged changes from HEAD

---
 winsup/cygwin/ChangeLog            | 10 +++++
 winsup/cygwin/include/cygwin/ipc.h | 53 +++++++++++++++++++++++
 winsup/cygwin/include/cygwin/shm.h | 89 ++++++++++++++++++++++++++++++++++++++
 winsup/cygwin/ipc.cc               |  2 +-
 4 files changed, 153 insertions(+), 1 deletion(-)
 create mode 100644 winsup/cygwin/include/cygwin/ipc.h
 create mode 100644 winsup/cygwin/include/cygwin/shm.h

diff --git a/winsup/cygwin/ChangeLog b/winsup/cygwin/ChangeLog
index e449240f81f..12dca54e870 100644
--- a/winsup/cygwin/ChangeLog
+++ b/winsup/cygwin/ChangeLog
@@ -1,3 +1,13 @@
+2002-09-21  Conrad Scott  <conrad.scott@dsl.pipex.com>
+
+	* cygwin_ipc.h: Move to "include/cygwin/ipc.h".
+	* cygwin_shm.h: Move to "include/cygwin/shm.h".
+	* include/cygwin/ipc.h: New file.
+	* include/cygwin/shm.h: New file.
+	* ipc.c:c Update <cygwin/ipc.h> include.
+	* cygserver_shm.cc: Update <cygwin/shm.h> include.
+	* shm.cc: Ditto.
+
 2002-09-21  Conrad Scott  <conrad.scott@dsl.pipex.com>
 
 	* safe_memory.h (safe_delete): Make a templated function.
diff --git a/winsup/cygwin/include/cygwin/ipc.h b/winsup/cygwin/include/cygwin/ipc.h
new file mode 100644
index 00000000000..c718a173a0e
--- /dev/null
+++ b/winsup/cygwin/include/cygwin/ipc.h
@@ -0,0 +1,53 @@
+/* sys/ipc.h
+
+   Copyright 2001 Red Hat Inc. 
+   Written by Robert Collins <rbtcollins@hotmail.com>
+
+This file is part of Cygwin.
+
+This software is a copyrighted work licensed under the terms of the
+Cygwin license.  Please consult the file "CYGWIN_LICENSE" for
+details. */
+
+#ifdef __cplusplus
+extern "C"
+{
+#endif
+
+#ifndef _SYS_IPC_H
+#define _SYS_IPC_H
+
+/* sys/types must be included before sys/ipc.h. We aren't meant to automatically 
+ * include it however 
+ */
+
+struct ipc_perm {
+  uid_t  uid;
+  gid_t  gid;
+  uid_t  cuid;
+  gid_t  cgid;
+  mode_t mode;
+}; 
+
+/* the mode flags used with the _get functions use the low order 9 bits for a mode 
+ * request
+ */
+#define IPC_CREAT  0x0200
+#define IPC_EXCL   0x0400
+#define IPC_NOWAIT 0x0800
+
+/* this is a value that will _never_ be a valid key from ftok */
+#define IPC_PRIVATE -2
+
+/* ctl commands 1000-1fff is ipc reserved */
+#define IPC_RMID 0x1003
+#define IPC_SET  0x1002
+#define IPC_STAT 0x1001
+
+key_t ftok(const char *, int);
+
+#endif /* _SYS_IPC_H */
+
+#ifdef __cplusplus
+}
+#endif
diff --git a/winsup/cygwin/include/cygwin/shm.h b/winsup/cygwin/include/cygwin/shm.h
new file mode 100644
index 00000000000..eb037ba19bf
--- /dev/null
+++ b/winsup/cygwin/include/cygwin/shm.h
@@ -0,0 +1,89 @@
+/* sys/shm.h
+
+   Copyright 2001 Red Hat Inc. 
+   Written by Robert Collins <rbtcollins@hotmail.com>
+
+This file is part of Cygwin.
+
+This software is a copyrighted work licensed under the terms of the
+Cygwin license.  Please consult the file "CYGWIN_LICENSE" for
+details. */
+
+#ifdef __cplusplus
+extern "C"
+{
+#endif
+
+#ifndef _SYS_SHM_H
+#define _SYS_SHM_H
+
+#include <cygwin/ipc.h>
+
+#define SHM_RDONLY 1
+/* 64 Kb was hardcoded for x86. MS states this may change, but we need it in the header
+ * file.
+ */
+#define SHMLBA     65536
+#define SHM_RND	   1
+
+typedef long int shmatt_t;
+
+#if defined(__INSIDE_CYGWIN__) && defined(__cplusplus)
+
+class _shmattach {
+public:
+  void *data;
+  int shmflg;
+  class _shmattach *next;
+};
+
+class shmid_ds {
+public:
+  struct   ipc_perm shm_perm;
+  size_t   shm_segsz;
+  pid_t    shm_lpid;
+  pid_t    shm_cpid;
+  shmatt_t shm_nattch;
+  time_t   shm_atime;
+  time_t   shm_dtime;
+  time_t   shm_ctime;
+  void *mapptr;
+};
+
+class shmnode {
+public:
+  class shmid_ds * shmds;
+  int shm_id;
+  class shmnode *next;
+  key_t key;
+  HANDLE filemap;
+  HANDLE attachmap;
+  class _shmattach *attachhead;
+};
+
+#else
+/* this is what we return when queried. It has no bitwise correspondence
+ * the internal structures 
+ */
+struct shmid_ds {
+  struct   ipc_perm shm_perm;
+  size_t   shm_segsz;
+  pid_t    shm_lpid;
+  pid_t    shm_cpid;
+  shmatt_t shm_nattch;
+  time_t   shm_atime;
+  time_t   shm_dtime;
+  time_t   shm_ctime;
+};
+#endif /* __INSIDE_CYGWIN__ */
+
+void *shmat(int, const void *, int);
+int   shmctl(int, int, struct shmid_ds *);
+int   shmdt(const void *);
+int   shmget(key_t, size_t, int);
+
+#endif /* _SYS_SHM_H */
+
+#ifdef __cplusplus
+}
+#endif
diff --git a/winsup/cygwin/ipc.cc b/winsup/cygwin/ipc.cc
index 1f496d328a7..4665fd84a5b 100644
--- a/winsup/cygwin/ipc.cc
+++ b/winsup/cygwin/ipc.cc
@@ -11,7 +11,7 @@
    details. */
 
 #include "winsup.h"
-#include <sys/ipc.h>
+#include <cygwin/ipc.h>
 #include <sys/stat.h>
 
 extern "C"
-- 
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