ipc man page on SunOS

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ipc.h(3HEAD)			    Headers			  ipc.h(3HEAD)

NAME
       ipc.h, ipc - XSI interprocess communication access structure

SYNOPSIS
       #include <sys/ipc.h>

DESCRIPTION
       The  <sys/ipc.h>	 header	 is  used by three mechanisms for interprocess
       communication (IPC): messages, semaphores, and shared memory. All use a
       common  structure type, ipc_perm, to pass information used in determin‐
       ing permission to perform an IPC operation.

       The ipc_perm structure contains the following members:

       uid_t  uid     /* owner's user ID */
       gid_t  gid     /* owner's group ID */
       uid_t  cuid    /* creator's user ID */
       gid_t  cgid    /* creator's group ID */
       mode_t mode    /* read/write permission

       The uid_t, gid_t, mode_t, and key_t types are defined as	 described  in
       <sys/types.h>. See types.h(3HEAD).

       Definitions are provided for the constants listed below.

       Mode bits:

       IPC_CREAT       Create entry if key does not exist.

       IPC_EXCL	       Fail if key exists.

       IPC_NOWAIT      Error if request must wait.

       Keys:

       IPC_PRIVATE     Private key.

       Control commands:

       IPC_RMID	       Remove identifier.

       IPC_SET	       Set options.

       IPC_STAT	       Get options.

ATTRIBUTES
       See attributes(5) for descriptions of the following attributes:

       ┌─────────────────────────────┬─────────────────────────────┐
       │      ATTRIBUTE TYPE	     │	    ATTRIBUTE VALUE	   │
       ├─────────────────────────────┼─────────────────────────────┤
       │Interface Stability	     │Standard			   │
       └─────────────────────────────┴─────────────────────────────┘

SEE ALSO
       ftok(3C), types.h(3HEAD), attributes(5), standards(5)

SunOS 5.10			  10 Sep 2004			  ipc.h(3HEAD)
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