Enrico Fraccaroli
35 lines
931 B
C
35 lines
931 B
C
/// @file ipc.h
|
|
/// @brief
|
|
/// @copyright (c) 2014-2021 This file is distributed under the MIT License.
|
|
/// See LICENSE.md for details.
|
|
|
|
#pragma once
|
|
|
|
#include "stddef.h"
|
|
|
|
#define IPC_CREAT 01000 ///< Create key if key does not exist.
|
|
#define IPC_EXCL 02000 ///< Fail if key exists.
|
|
#define IPC_NOWAIT 04000 ///< Return error on wait.
|
|
#define IPC_RMID 0 ///< Remove identifier.
|
|
#define IPC_SET 1 ///< Set `ipc_perm' options.
|
|
#define IPC_STAT 2 ///< Get `ipc_perm' options.
|
|
#define IPC_INFO 3 ///< See ipcs.
|
|
|
|
/// @brief Holds details about IPCs.
|
|
typedef struct ipc_perm_t {
|
|
/// Creator user id.
|
|
uid_t cuid;
|
|
/// Creator group id.
|
|
gid_t cgid;
|
|
/// User id.
|
|
uid_t uid;
|
|
/// Group id.
|
|
gid_t gid;
|
|
/// r/w permission.
|
|
ushort mode;
|
|
/// Sequence # (to generate unique msg/sem/shm id).
|
|
ushort seq;
|
|
/// User specified msg/sem/shm key.
|
|
key_t key;
|
|
} ipc_perm_t;
|