Return to ipc.h CVS log

Up to [Power 6/32 Unix Tahoe 4.2BSD] / cci / sys / h

Annotation of cci/sys/h/ipc.h, revision 1.1.1.1

1.1       root        1: /* @(#)ipc.h   6.1 */
                      2: /* Common IPC Access Structure */
                      3: 
                      4: typedef long   key_t;
                      5: 
                      6: struct ipc_perm {
                      7:        u_short uid;    /* owner's user id */
                      8:        u_short gid;    /* owner's group id */
                      9:        u_short cuid;   /* creator's user id */
                     10:        u_short cgid;   /* creator's group id */
                     11:        u_short mode;   /* access modes */
                     12:        u_short seq;    /* slot usage sequence number */
                     13:        key_t   key;    /* key */
                     14:        u_char  flag;   /* status flag */
                     15: };
                     16: 
                     17: /* Common IPC Definitions. */
                     18: /* Mode bits. */
                     19: #define        IPC_ALLOC       0x8000          /* entry currently allocated */
                     20: #define        IPC_CREAT       0x0200          /* create entry if key doesn't exist */
                     21: #define        IPC_EXCL        0x0400          /* fail if key exists */
                     22: #define        IPC_NOWAIT      0x0800          /* error if request must wait */
                     23: 
                     24: /* Keys. */
                     25: #define        IPC_PRIVATE     (key_t)0        /* private key */
                     26: 
                     27: /* Control Commands. */
                     28: #define        IPC_RMID        0       /* remove identifier */
                     29: #define        IPC_SET         1       /* set options */
                     30: #define        IPC_STAT        2       /* get options */
                     31: 
                     32: /* Defines for locking */
                     33: 
                     34: #define IPC_LOCK       0x01    /* ipc_perm structure is locked */
                     35: #define IPC_WANT       0x02    /* want to lock ipc_perm structure */

This archive runs on limited infrastructure. Preserving old code on modern bandwidth. Automated agents are requested to crawl responsibly.