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/*
* Copyright (c) 2000-2001 Sendmail, Inc. and its suppliers.
* All rights reserved.
*
* By using this file, you agree to the terms and conditions set
* forth in the LICENSE file which can be found at the top level of
* the sendmail distribution.
*
* $Sendmail: shm.h,v 1.7 2001/04/20 15:21:55 ca Exp $
*/
#ifndef SM_SHM_H
# define SM_SHM_H
# if SM_CONF_SHM
# include <sys/types.h>
# include <sys/ipc.h>
# include <sys/shm.h>
/* # include "def.h" */
/* key for shared memory */
# define SM_SHM_KEY ((key_t) 42)
/* return value for failed shmget() */
# define SM_SHM_NULL ((void *) -1)
# define SM_SHM_NO_ID (-1)
# define SM_NO_SHM(id) ((id) < 0)
extern void *sm_shmstart __P((key_t, int , int , int *, bool));
extern int sm_shmstop __P((void *, int, bool));
/* for those braindead systems... (e.g., SunOS 4) */
# ifndef SHM_R
# define SHM_R 0400
# endif /* SHM_R */
# ifndef SHM_W
# define SHM_W 0200
# endif /* SHM_W */
# endif /* SM_CONF_SHM */
#endif /* ! SM_SHM_H */
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