/* Copyright 2012, Google Inc.
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 *      notice, this list of conditions and the following disclaimer.
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 *      copyright notice, this list of conditions and the following
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 *      from this software without specific prior written permission.
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 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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 */

#ifndef LOCKS_H__
#define LOCKS_H__

/* this is the base key, since we have to pick something global */
#define IPC_LOCK_KEY	(0x67736c00 & 0xfffffc00) /* 22 bits "gsl" */

/* The ordering of the following keys matters a lot. We don't want to reorder
 * keys and have a new binary dependent on deployed/used because it will break
 * atomicity of existing users and binaries. In other words, DO NOT REORDER. */

/* this is the "big lock". */
#define BIGLOCK		(IPC_LOCK_KEY + 0)

/* for Google EC */
#define GECLOCK		(IPC_LOCK_KEY + 1)

#endif /* LOCKS_H__ */