1 files changed, 91 insertions, 0 deletions
diff --git a/winsup/cygwin/cygserver_msg.h b/winsup/cygwin/cygserver_msg.h
new file mode 100644
index 000000000..116741e2e
--- /dev/null
+++ b/winsup/cygwin/cygserver_msg.h
@@ -0,0 +1,91 @@
+/* cygserver_msg.h: Single unix specification IPC interface for Cygwin.
+
+   Copyright 2003 Red Hat, Inc.
+
+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. */
+
+#ifndef __CYGSERVER_MSG_H__
+#define __CYGSERVER_MSG_H__
+
+#include <sys/types.h>
+#include <sys/sysproto.h>
+#ifndef _KERNEL
+#define _KERNEL 1
+#endif
+#include <cygwin/msg.h>
+
+#include "cygserver.h"
+#include "cygserver_ipc.h"
+
+#ifndef __INSIDE_CYGWIN__
+class transport_layer_base;
+class process_cache;
+#endif
+
+class client_request_msg : public client_request
+{
+  friend class client_request;
+
+public:
+  enum msgop_t
+    {
+      MSGOP_msgctl,
+      MSGOP_msgget,
+      MSGOP_msgrcv,
+      MSGOP_msgsnd
+    };
+
+private:
+  union
+  {
+    struct
+    {
+      msgop_t msgop;
+      proc ipcblk;
+      union
+      {
+        struct msgctl_args ctlargs;
+	struct msgget_args getargs;
+	struct msgrcv_args rcvargs;
+	struct msgsnd_args sndargs;
+      };
+    } in;
+
+    union {
+      int ret;
+      ssize_t rcv;
+    } out;
+  } _parameters;
+
+#ifndef __INSIDE_CYGWIN__
+  client_request_msg ();
+  virtual void serve (transport_layer_base *, process_cache *);
+#endif
+
+public:
+
+#ifdef __INSIDE_CYGWIN__
+  client_request_msg (int, int, struct msqid_ds *);	// msgctl
+  client_request_msg (key_t, int);			// msgget
+  client_request_msg (int, void *, size_t, long, int);	// msgrcv
+  client_request_msg (int, const void *, size_t, int);	// msgsnd
+#endif
+
+  int retval (void) const { return _parameters.out.ret; }
+  ssize_t rcvval (void) const { return _parameters.out.rcv; }
+};
+
+#ifndef __INSIDE_CYGWIN__
+int msginit (void);
+int msgunload (void);
+int msgctl (struct thread *, struct msgctl_args *);
+int msgget (struct thread *, struct msgget_args *);
+int msgsnd (struct thread *, struct msgsnd_args *);
+int msgrcv (struct thread *, struct msgrcv_args *);
+#endif
+
+#endif /* __CYGSERVER_MSG_H__ */