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#ifndef __TENDRA_IPC_H
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#define __TENDRA_IPC_H
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#include <sys/types.h>
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struct ipc_perm {
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uid_t cuid; /* creator user id */
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gid_t cgid; /* creator group id */
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uid_t uid; /* user id */
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gid_t gid; /* group id */
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mode_t mode; /* r/w permission */
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unsigned short seq; /* sequence # (to generate unique ipcid) */
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key_t key; /* user specified msg/sem/shm key */
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};
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#if __BSD_VISIBLE
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/* common mode bits */
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#define IPC_R 000400 /* read permission */
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#define IPC_W 000200 /* write/alter permission */
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#define IPC_M 010000 /* permission to change control info */
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#endif
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/* SVID required constants (same values as system 5) */
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#define IPC_CREAT 001000 /* create entry if key does not exist */
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#define IPC_EXCL 002000 /* fail if key exists */
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#define IPC_NOWAIT 004000 /* error if request must wait */
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#define IPC_PRIVATE (key_t)0 /* private key */
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#define IPC_RMID 0 /* remove identifier */
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#define IPC_SET 1 /* set options */
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#define IPC_STAT 2 /* get options */
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#endif
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