mirror of
https://github.com/followmsi/android_kernel_google_msm.git
synced 2024-11-06 23:17:41 +00:00
725112bc7c
Doing this we don't have to add it when picking patches making use of functions in it. Change-Id: Ia9e2717f4dc0a69710fb3bb88b3e19f2af584776
104 lines
2.4 KiB
C
104 lines
2.4 KiB
C
#ifndef _LINUX_IPC_H
|
|
#define _LINUX_IPC_H
|
|
|
|
#include <linux/types.h>
|
|
|
|
#define IPC_PRIVATE ((__kernel_key_t) 0)
|
|
|
|
/* Obsolete, used only for backwards compatibility and libc5 compiles */
|
|
struct ipc_perm
|
|
{
|
|
__kernel_key_t key;
|
|
__kernel_uid_t uid;
|
|
__kernel_gid_t gid;
|
|
__kernel_uid_t cuid;
|
|
__kernel_gid_t cgid;
|
|
__kernel_mode_t mode;
|
|
unsigned short seq;
|
|
};
|
|
|
|
/* Include the definition of ipc64_perm */
|
|
#include <asm/ipcbuf.h>
|
|
|
|
/* resource get request flags */
|
|
#define IPC_CREAT 00001000 /* create if key is nonexistent */
|
|
#define IPC_EXCL 00002000 /* fail if key exists */
|
|
#define IPC_NOWAIT 00004000 /* return error on wait */
|
|
|
|
/* these fields are used by the DIPC package so the kernel as standard
|
|
should avoid using them if possible */
|
|
|
|
#define IPC_DIPC 00010000 /* make it distributed */
|
|
#define IPC_OWN 00020000 /* this machine is the DIPC owner */
|
|
|
|
/*
|
|
* Control commands used with semctl, msgctl and shmctl
|
|
* see also specific commands in sem.h, msg.h and shm.h
|
|
*/
|
|
#define IPC_RMID 0 /* remove resource */
|
|
#define IPC_SET 1 /* set ipc_perm options */
|
|
#define IPC_STAT 2 /* get ipc_perm options */
|
|
#define IPC_INFO 3 /* see ipcs */
|
|
|
|
/*
|
|
* Version flags for semctl, msgctl, and shmctl commands
|
|
* These are passed as bitflags or-ed with the actual command
|
|
*/
|
|
#define IPC_OLD 0 /* Old version (no 32-bit UID support on many
|
|
architectures) */
|
|
#define IPC_64 0x0100 /* New version (support 32-bit UIDs, bigger
|
|
message sizes, etc. */
|
|
|
|
/*
|
|
* These are used to wrap system calls.
|
|
*
|
|
* See architecture code for ugly details..
|
|
*/
|
|
struct ipc_kludge {
|
|
struct msgbuf __user *msgp;
|
|
long msgtyp;
|
|
};
|
|
|
|
#define SEMOP 1
|
|
#define SEMGET 2
|
|
#define SEMCTL 3
|
|
#define SEMTIMEDOP 4
|
|
#define MSGSND 11
|
|
#define MSGRCV 12
|
|
#define MSGGET 13
|
|
#define MSGCTL 14
|
|
#define SHMAT 21
|
|
#define SHMDT 22
|
|
#define SHMGET 23
|
|
#define SHMCTL 24
|
|
|
|
/* Used by the DIPC package, try and avoid reusing it */
|
|
#define DIPC 25
|
|
|
|
#define IPCCALL(version,op) ((version)<<16 | (op))
|
|
|
|
#ifdef __KERNEL__
|
|
#include <linux/spinlock.h>
|
|
#include <linux/uidgid.h>
|
|
|
|
#define IPCMNI 32768 /* <= MAX_INT limit for ipc arrays (including sysctl changes) */
|
|
|
|
/* used by in-kernel data structures */
|
|
struct kern_ipc_perm
|
|
{
|
|
spinlock_t lock;
|
|
int deleted;
|
|
int id;
|
|
key_t key;
|
|
uid_t uid;
|
|
gid_t gid;
|
|
uid_t cuid;
|
|
gid_t cgid;
|
|
umode_t mode;
|
|
unsigned long seq;
|
|
void *security;
|
|
};
|
|
|
|
#endif /* __KERNEL__ */
|
|
|
|
#endif /* _LINUX_IPC_H */
|