linux/include/uapi/linux/ipc.h

/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
#ifndef _UAPI_LINUX_IPC_H
#define _UAPI_LINUX_IPC_H

#include <linux/types.h>

#define IPC_PRIVATE …  

/* Obsolete, used only for backwards compatibility and libc5 compiles */
struct ipc_perm
{ … };

/* Include the definition of ipc64_perm */
#include <asm/ipcbuf.h>

/* resource get request flags */
#define IPC_CREAT …
#define IPC_EXCL …
#define IPC_NOWAIT …

/* these fields are used by the DIPC package so the kernel as standard
   should avoid using them if possible */
   
#define IPC_DIPC …
#define IPC_OWN …

/* 
 * Control commands used with semctl, msgctl and shmctl 
 * see also specific commands in sem.h, msg.h and shm.h
 */
#define IPC_RMID …
#define IPC_SET …
#define IPC_STAT …
#define IPC_INFO …

/*
 * Version flags for semctl, msgctl, and shmctl commands
 * These are passed as bitflags or-ed with the actual command
 */
#define IPC_OLD …
#define IPC_64 …

/*
 * These are used to wrap system calls.
 *
 * See architecture code for ugly details..
 */
struct ipc_kludge { … };

#define SEMOP …
#define SEMGET …
#define SEMCTL …
#define SEMTIMEDOP …
#define MSGSND …
#define MSGRCV …
#define MSGGET …
#define MSGCTL …
#define SHMAT …
#define SHMDT …
#define SHMGET …
#define SHMCTL …

/* Used by the DIPC package, try and avoid reusing it */
#define DIPC …

#define IPCCALL(version,op) …


#endif /* _UAPI_LINUX_IPC_H */