globals: add globals.h/c THIS: macro to access thread specific current xlator CTX: macro to access glusterfs global context (glusterfs_ctx_t)

Signed-off-by: Anand V. Avati <avati@amp.gluster.com>
Signed-off-by: Anand V. Avati <avati@dev.gluster.com>

1 files changed, 41 insertions, 0 deletions

diff --git a/libglusterfs/src/globals.h b/libglusterfs/src/globals.h
new file mode 100644
index 000000000..f4d252dd9
--- /dev/null
+++ b/libglusterfs/src/globals.h
@@ -0,0 +1,41 @@
+/*
+   Copyright (c) 2009 Z RESEARCH, Inc. <http://www.zresearch.com>
+   This file is part of GlusterFS.
+
+   GlusterFS is free software; you can redistribute it and/or modify
+   it under the terms of the GNU General Public License as published
+   by the Free Software Foundation; either version 3 of the License,
+   or (at your option) any later version.
+
+   GlusterFS 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
+   General Public License for more details.
+
+   You should have received a copy of the GNU General Public License
+   along with this program.  If not, see
+   <http://www.gnu.org/licenses/>.
+*/
+
+#ifndef _GLOBALS_H
+#define _GLOBALS_H
+
+#include "glusterfs.h"
+#include "xlator.h"
+
+/* CTX */
+#define CTX (glusterfs_ctx_get())
+
+glusterfs_ctx_t *glusterfs_ctx_get ();
+
+/* THIS */
+#define THIS (*__glusterfs_this_location())
+
+xlator_t **__glusterfs_this_location ();
+xlator_t *glusterfs_this_get ();
+int glusterfs_this_set (xlator_t *);
+
+/* init */
+int glusterfs_globals_init (void);
+
+#endif /* !_GLOBALS_H */